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<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/netLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel"/>
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  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel"/>
  <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">
    <link:label id="lab_ifrs-full_WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract_019b6a75-7640-75f8-bb95-fffc3b6938e6_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average number of common shares outstanding</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average ordinary shares used in calculating basic and diluted earnings per share [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract" xlink:to="lab_ifrs-full_WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember_019b6a75-7640-7570-9193-e6d7ffa416a3_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">3 - 5 years</link:label>
    <link:label id="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than two years and not later than five years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember" xlink:to="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfFinancialLiabilitiesAxis_019b6a75-76e4-7855-a25b-50090711236a_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of financial liabilities [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfFinancialLiabilitiesAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of financial liabilities [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfFinancialLiabilitiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:to="lab_ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_DepositsAndOtherMiscellaneousAssetsNonCurrent_019b6a75-7640-716c-bef0-859f351702a0_terseLabel_en-US" xlink:label="lab_ero_DepositsAndOtherMiscellaneousAssetsNonCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deposits and others</link:label>
    <link:label id="lab_ero_DepositsAndOtherMiscellaneousAssetsNonCurrent_label_en-US" xlink:label="lab_ero_DepositsAndOtherMiscellaneousAssetsNonCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deposits And Other Miscellaneous Assets, Non-current</link:label>
    <link:label id="lab_ero_DepositsAndOtherMiscellaneousAssetsNonCurrent_documentation_en-US" xlink:label="lab_ero_DepositsAndOtherMiscellaneousAssetsNonCurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deposits And Other Miscellaneous Assets, Non-current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DepositsAndOtherMiscellaneousAssetsNonCurrent" xlink:href="ero-20251231.xsd#ero_DepositsAndOtherMiscellaneousAssetsNonCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_DepositsAndOtherMiscellaneousAssetsNonCurrent" xlink:to="lab_ero_DepositsAndOtherMiscellaneousAssetsNonCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember_019b6a75-76e4-7c29-9370-3db085fea1af_terseLabel_en-US" xlink:label="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated depreciation</link:label>
    <link:label id="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember_label_en-US" xlink:label="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated depreciation and amortisation [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AccumulatedDepreciationAndAmortisationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:to="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_019b6a75-7640-7c73-a619-8cc10fc34e0f_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of share-based payment arrangements [axis]</link:label>
    <link:label id="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_label_en-US" xlink:label="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of share-based payment arrangements [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TypesOfSharebasedPaymentArrangementsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:to="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_CostOfSalesChangeInInventoryExcludingDepreciationAndDepletion_019b6a75-76e5-7007-8ea0-6c39fa1948cc_terseLabel_en-US" xlink:label="lab_ero_CostOfSalesChangeInInventoryExcludingDepreciationAndDepletion" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change in inventory (excluding depreciation and depletion)</link:label>
    <link:label id="lab_ero_CostOfSalesChangeInInventoryExcludingDepreciationAndDepletion_label_en-US" xlink:label="lab_ero_CostOfSalesChangeInInventoryExcludingDepreciationAndDepletion" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost Of Sales, Change In Inventory, Excluding Depreciation And Depletion</link:label>
    <link:label id="lab_ero_CostOfSalesChangeInInventoryExcludingDepreciationAndDepletion_documentation_en-US" xlink:label="lab_ero_CostOfSalesChangeInInventoryExcludingDepreciationAndDepletion" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cost Of Sales, Change In Inventory, Excluding Depreciation And Depletion</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_CostOfSalesChangeInInventoryExcludingDepreciationAndDepletion" xlink:href="ero-20251231.xsd#ero_CostOfSalesChangeInInventoryExcludingDepreciationAndDepletion"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_CostOfSalesChangeInInventoryExcludingDepreciationAndDepletion" xlink:to="lab_ero_CostOfSalesChangeInInventoryExcludingDepreciationAndDepletion" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_CostOfSalesOther_019b6a75-76e4-7c6f-854c-c44378b248f8_terseLabel_en-US" xlink:label="lab_ero_CostOfSalesOther" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other costs</link:label>
    <link:label id="lab_ero_CostOfSalesOther_label_en-US" xlink:label="lab_ero_CostOfSalesOther" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost Of Sales, Other</link:label>
    <link:label id="lab_ero_CostOfSalesOther_documentation_en-US" xlink:label="lab_ero_CostOfSalesOther" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cost Of Sales, Other</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_CostOfSalesOther" xlink:href="ero-20251231.xsd#ero_CostOfSalesOther"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_CostOfSalesOther" xlink:to="lab_ero_CostOfSalesOther" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_RangeMember_019b6a75-7640-7307-ad73-3ba8341e1e0f_terseLabel_en-US" xlink:label="lab_srt_RangeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statistical Measurement [Domain]</link:label>
    <link:label id="lab_srt_RangeMember_label_en-US" xlink:label="lab_srt_RangeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statistical Measurement [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_RangeMember" xlink:to="lab_srt_RangeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_A2022Through2024Member_019b6a75-7640-72f3-a909-da5086cd4291_terseLabel_en-US" xlink:label="lab_ero_A2022Through2024Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2022 Through End of 2024</link:label>
    <link:label id="lab_ero_A2022Through2024Member_label_en-US" xlink:label="lab_ero_A2022Through2024Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">2022 Through 2024 [Member]</link:label>
    <link:label id="lab_ero_A2022Through2024Member_documentation_en-US" xlink:label="lab_ero_A2022Through2024Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">2022 Through 2024</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_A2022Through2024Member" xlink:href="ero-20251231.xsd#ero_A2022Through2024Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_A2022Through2024Member" xlink:to="lab_ero_A2022Through2024Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_SeniorNotesDue2030Member_019b6a75-76e4-7acb-9787-c0c510a3e2bb_verboseLabel_en-US" xlink:label="lab_ero_SeniorNotesDue2030Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Senior Notes</link:label>
    <link:label id="lab_ero_SeniorNotesDue2030Member_019b6a75-76e4-7547-93f7-d7ae90a01a85_terseLabel_en-US" xlink:label="lab_ero_SeniorNotesDue2030Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Senior notes due 2030</link:label>
    <link:label id="lab_ero_SeniorNotesDue2030Member_label_en-US" xlink:label="lab_ero_SeniorNotesDue2030Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior Notes Due 2030 [Member]</link:label>
    <link:label id="lab_ero_SeniorNotesDue2030Member_documentation_en-US" xlink:label="lab_ero_SeniorNotesDue2030Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Senior Notes Due 2030</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_SeniorNotesDue2030Member" xlink:href="ero-20251231.xsd#ero_SeniorNotesDue2030Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_SeniorNotesDue2030Member" xlink:to="lab_ero_SeniorNotesDue2030Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_DisclosureOfDetailedInformationAboutOtherNonCurrentLiabilitiesTableTextBlock_019b6a75-7640-750e-b4cb-9583abb7eddf_terseLabel_en-US" xlink:label="lab_ero_DisclosureOfDetailedInformationAboutOtherNonCurrentLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Other Non-current Liabilities</link:label>
    <link:label id="lab_ero_DisclosureOfDetailedInformationAboutOtherNonCurrentLiabilitiesTableTextBlock_label_en-US" xlink:label="lab_ero_DisclosureOfDetailedInformationAboutOtherNonCurrentLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Other Non-Current Liabilities [Table Text Block]</link:label>
    <link:label id="lab_ero_DisclosureOfDetailedInformationAboutOtherNonCurrentLiabilitiesTableTextBlock_documentation_en-US" xlink:label="lab_ero_DisclosureOfDetailedInformationAboutOtherNonCurrentLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Other Non-Current Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DisclosureOfDetailedInformationAboutOtherNonCurrentLiabilitiesTableTextBlock" xlink:href="ero-20251231.xsd#ero_DisclosureOfDetailedInformationAboutOtherNonCurrentLiabilitiesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_DisclosureOfDetailedInformationAboutOtherNonCurrentLiabilitiesTableTextBlock" xlink:to="lab_ero_DisclosureOfDetailedInformationAboutOtherNonCurrentLiabilitiesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_CoverAbstract_label_en-US" xlink:label="lab_dei_CoverAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cover [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_CoverAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CoverAbstract" xlink:to="lab_dei_CoverAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_CostOfSalesMaintenanceCosts_019b6a75-76e5-73c3-a82f-49d9c71a1ab3_terseLabel_en-US" xlink:label="lab_ero_CostOfSalesMaintenanceCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maintenance costs</link:label>
    <link:label id="lab_ero_CostOfSalesMaintenanceCosts_label_en-US" xlink:label="lab_ero_CostOfSalesMaintenanceCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost Of Sales, Maintenance Costs</link:label>
    <link:label id="lab_ero_CostOfSalesMaintenanceCosts_documentation_en-US" xlink:label="lab_ero_CostOfSalesMaintenanceCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cost Of Sales, Maintenance Costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_CostOfSalesMaintenanceCosts" xlink:href="ero-20251231.xsd#ero_CostOfSalesMaintenanceCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_CostOfSalesMaintenanceCosts" xlink:to="lab_ero_CostOfSalesMaintenanceCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProceedsFromIssueOfOrdinaryShares_019b6a75-7640-77a7-abc7-0d9d508f7371_terseLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromIssueOfOrdinaryShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from issue of ordinary shares</link:label>
    <link:label id="lab_ifrs-full_ProceedsFromIssueOfOrdinaryShares_label_en-US" xlink:label="lab_ifrs-full_ProceedsFromIssueOfOrdinaryShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from issue of ordinary shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromIssueOfOrdinaryShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProceedsFromIssueOfOrdinaryShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromIssueOfOrdinaryShares" xlink:to="lab_ifrs-full_ProceedsFromIssueOfOrdinaryShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EarningsPerShareAbstract_019b6a75-76e4-7438-9ae5-e5955d2f5a93_terseLabel_en-US" xlink:label="lab_ifrs-full_EarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income (loss) per share attributable to owners of the Company</link:label>
    <link:label id="lab_ifrs-full_EarningsPerShareAbstract_label_en-US" xlink:label="lab_ifrs-full_EarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings per share [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EarningsPerShareAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EarningsPerShareAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EarningsPerShareAbstract" xlink:to="lab_ifrs-full_EarningsPerShareAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentLiabilities_019b6a75-7640-77b3-b2e6-068f9d90a5be_totalLabel_en-US" xlink:label="lab_ifrs-full_CurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total current liabilities</link:label>
    <link:label id="lab_ifrs-full_CurrentLiabilities_label_en-US" xlink:label="lab_ifrs-full_CurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentLiabilities" xlink:to="lab_ifrs-full_CurrentLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RestrictedShareUnitsMember_019b6a75-7640-7195-8c31-7b448c82ac25_terseLabel_en-US" xlink:label="lab_ifrs-full_RestrictedShareUnitsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restricted share unit plan</link:label>
    <link:label id="lab_ifrs-full_RestrictedShareUnitsMember_label_en-US" xlink:label="lab_ifrs-full_RestrictedShareUnitsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restricted share units [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RestrictedShareUnitsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RestrictedShareUnitsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RestrictedShareUnitsMember" xlink:to="lab_ifrs-full_RestrictedShareUnitsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExplanationOfEffectOfSharebasedPaymentsOnProfitOrLoss_019b6a75-7640-7238-833a-11334ac32998_terseLabel_en-US" xlink:label="lab_ifrs-full_ExplanationOfEffectOfSharebasedPaymentsOnProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based Compensation Expense Associated With Each Component</link:label>
    <link:label id="lab_ifrs-full_ExplanationOfEffectOfSharebasedPaymentsOnProfitOrLoss_label_en-US" xlink:label="lab_ifrs-full_ExplanationOfEffectOfSharebasedPaymentsOnProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Explanation of effect of share-based payments on entity's profit or loss [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExplanationOfEffectOfSharebasedPaymentsOnProfitOrLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ExplanationOfEffectOfSharebasedPaymentsOnProfitOrLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExplanationOfEffectOfSharebasedPaymentsOnProfitOrLoss" xlink:to="lab_ifrs-full_ExplanationOfEffectOfSharebasedPaymentsOnProfitOrLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForFinanceIncomeAndCostsExplanatory_019b6a75-7640-7f0b-bf74-27db70661d63_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForFinanceIncomeAndCostsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finance Income and Finance Expense</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForFinanceIncomeAndCostsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForFinanceIncomeAndCostsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for finance income and costs [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForFinanceIncomeAndCostsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForFinanceIncomeAndCostsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForFinanceIncomeAndCostsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForFinanceIncomeAndCostsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_EquipmentAndOtherAssetsMember_019b6a75-76e4-7675-ada5-af0bb35f5643_terseLabel_en-US" xlink:label="lab_ero_EquipmentAndOtherAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equipment &amp; Other Assets</link:label>
    <link:label id="lab_ero_EquipmentAndOtherAssetsMember_label_en-US" xlink:label="lab_ero_EquipmentAndOtherAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equipment And Other Assets [Member]</link:label>
    <link:label id="lab_ero_EquipmentAndOtherAssetsMember_documentation_en-US" xlink:label="lab_ero_EquipmentAndOtherAssetsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Equipment And Other Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_EquipmentAndOtherAssetsMember" xlink:href="ero-20251231.xsd#ero_EquipmentAndOtherAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_EquipmentAndOtherAssetsMember" xlink:to="lab_ero_EquipmentAndOtherAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_TradingSymbol_019b6a75-7640-70d6-a8fc-5c4b77728603_terseLabel_en-US" xlink:label="lab_dei_TradingSymbol" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trading Symbol</link:label>
    <link:label id="lab_dei_TradingSymbol_label_en-US" xlink:label="lab_dei_TradingSymbol" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trading Symbol</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_TradingSymbol"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_TradingSymbol" xlink:to="lab_dei_TradingSymbol" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityAbstract_label_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of changes in equity [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfChangesInEquityAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_StatementOfChangesInEquityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfChangesInEquityAbstract" xlink:to="lab_ifrs-full_StatementOfChangesInEquityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfContingentLiabilitiesAxis_019b6a75-7640-742c-8642-12ebd8d53a86_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfContingentLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of contingent liabilities [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfContingentLiabilitiesAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfContingentLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of contingent liabilities [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfContingentLiabilitiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfContingentLiabilitiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfContingentLiabilitiesAxis" xlink:to="lab_ifrs-full_ClassesOfContingentLiabilitiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_BankLoanMCSAMember_019b6a75-7640-71d6-859c-7085e53a39b5_terseLabel_en-US" xlink:label="lab_ero_BankLoanMCSAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bank Loan (MCSA)</link:label>
    <link:label id="lab_ero_BankLoanMCSAMember_label_en-US" xlink:label="lab_ero_BankLoanMCSAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bank Loan (MCSA) [Member]</link:label>
    <link:label id="lab_ero_BankLoanMCSAMember_documentation_en-US" xlink:label="lab_ero_BankLoanMCSAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bank Loan (MCSA)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_BankLoanMCSAMember" xlink:href="ero-20251231.xsd#ero_BankLoanMCSAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_BankLoanMCSAMember" xlink:to="lab_ero_BankLoanMCSAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_MineralPropertiesMember_019b6a75-7640-7055-9c83-7526d17cd403_terseLabel_en-US" xlink:label="lab_ero_MineralPropertiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mineral Properties</link:label>
    <link:label id="lab_ero_MineralPropertiesMember_label_en-US" xlink:label="lab_ero_MineralPropertiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mineral Properties [Member]</link:label>
    <link:label id="lab_ero_MineralPropertiesMember_documentation_en-US" xlink:label="lab_ero_MineralPropertiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mineral Properties</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_MineralPropertiesMember" xlink:href="ero-20251231.xsd#ero_MineralPropertiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_MineralPropertiesMember" xlink:to="lab_ero_MineralPropertiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss_019b6a75-76e4-7a7f-b818-39c996779748_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Foreign exchange gain (loss)</link:label>
    <link:label id="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss_label_en-US" xlink:label="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign exchange gain (loss)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xlink:to="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember_019b6a75-76e4-7c48-ac1e-97b04d28bd6e_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets at amortised cost, category</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets at amortised cost, category [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" xlink:to="lab_ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OrdinarySharesMember_019b6a75-7640-769f-8a97-bbbb5d4d45d2_terseLabel_en-US" xlink:label="lab_ifrs-full_OrdinarySharesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common shares</link:label>
    <link:label id="lab_ifrs-full_OrdinarySharesMember_label_en-US" xlink:label="lab_ifrs-full_OrdinarySharesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ordinary shares [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OrdinarySharesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OrdinarySharesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OrdinarySharesMember" xlink:to="lab_ifrs-full_OrdinarySharesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValue_019b6a75-76e4-7135-96a5-09ff77e86645_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings at fair value</link:label>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValue_019b6a75-76e4-735a-baa9-4a7ba3e9bff1_verboseLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValue" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Financial liabilities, at fair value</link:label>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValue_label_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial liabilities, at fair value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialLiabilitiesAtFairValue" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialLiabilitiesAtFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialLiabilitiesAtFairValue" xlink:to="lab_ifrs-full_FinancialLiabilitiesAtFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_NXGoldSAMember_019b6a75-76e4-71c8-8d69-6213362c84fb_terseLabel_en-US" xlink:label="lab_ero_NXGoldSAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NX Gold</link:label>
    <link:label id="lab_ero_NXGoldSAMember_label_en-US" xlink:label="lab_ero_NXGoldSAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">NX Gold S.A. [Member]</link:label>
    <link:label id="lab_ero_NXGoldSAMember_documentation_en-US" xlink:label="lab_ero_NXGoldSAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">NX Gold S.A.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_NXGoldSAMember" xlink:href="ero-20251231.xsd#ero_NXGoldSAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_NXGoldSAMember" xlink:to="lab_ero_NXGoldSAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_HedgingInstrumentsAxis_019b6a75-7640-77e5-a5e7-97b61da53688_terseLabel_en-US" xlink:label="lab_ifrs-full_HedgingInstrumentsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Hedging instruments [axis]</link:label>
    <link:label id="lab_ifrs-full_HedgingInstrumentsAxis_label_en-US" xlink:label="lab_ifrs-full_HedgingInstrumentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedging instruments [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_HedgingInstrumentsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_HedgingInstrumentsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_HedgingInstrumentsAxis" xlink:to="lab_ifrs-full_HedgingInstrumentsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent_019b6a75-7640-71b2-b5d1-55e84d320b05_terseLabel_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Owners of the Company</link:label>
    <link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent_label_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive income, attributable to owners of parent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:to="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_InterestExpenseOnBorrowingsExcludingCapitalizedAmount_019b6a75-76e4-7295-8ca8-5bc1f5cd5553_terseLabel_en-US" xlink:label="lab_ero_InterestExpenseOnBorrowingsExcludingCapitalizedAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest on loans and borrowings</link:label>
    <link:label id="lab_ero_InterestExpenseOnBorrowingsExcludingCapitalizedAmount_label_en-US" xlink:label="lab_ero_InterestExpenseOnBorrowingsExcludingCapitalizedAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest expense on borrowings excluding capitalized amount</link:label>
    <link:label id="lab_ero_InterestExpenseOnBorrowingsExcludingCapitalizedAmount_documentation_en-US" xlink:label="lab_ero_InterestExpenseOnBorrowingsExcludingCapitalizedAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest expense on borrowings excluding capitalized amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_InterestExpenseOnBorrowingsExcludingCapitalizedAmount" xlink:href="ero-20251231.xsd#ero_InterestExpenseOnBorrowingsExcludingCapitalizedAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_InterestExpenseOnBorrowingsExcludingCapitalizedAmount" xlink:to="lab_ero_InterestExpenseOnBorrowingsExcludingCapitalizedAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_InstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShare_019b6a75-7640-7be9-ad7d-64d519dd5fed_terseLabel_en-US" xlink:label="lab_ero_InstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Antidilutive securities (in shares)</link:label>
    <link:label id="lab_ero_InstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShare_label_en-US" xlink:label="lab_ero_InstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Instruments With Potential Future Dilutive Effect Not Included In Calculation Of Diluted Earnings Per Share</link:label>
    <link:label id="lab_ero_InstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShare_documentation_en-US" xlink:label="lab_ero_InstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShare" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Instruments With Potential Future Dilutive Effect Not Included In Calculation Of Diluted Earnings Per Share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_InstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShare" xlink:href="ero-20251231.xsd#ero_InstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_InstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShare" xlink:to="lab_ero_InstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProductsAndServicesAxis_019b6a75-7640-7c5a-b3ca-4f33033eeb05_terseLabel_en-US" xlink:label="lab_ifrs-full_ProductsAndServicesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Products and services [axis]</link:label>
    <link:label id="lab_ifrs-full_ProductsAndServicesAxis_label_en-US" xlink:label="lab_ifrs-full_ProductsAndServicesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Products and services [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProductsAndServicesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProductsAndServicesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProductsAndServicesAxis" xlink:to="lab_ifrs-full_ProductsAndServicesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory_019b6a75-7640-7bad-8bbb-64ff10cb9354_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Issued and Outstanding Options Price</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of number and weighted average exercise prices of share options [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_HedgingInstrumentsDomain_019b6a75-76e4-743a-b659-87a91c9417b4_terseLabel_en-US" xlink:label="lab_ifrs-full_HedgingInstrumentsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Hedging instruments [domain]</link:label>
    <link:label id="lab_ifrs-full_HedgingInstrumentsDomain_label_en-US" xlink:label="lab_ifrs-full_HedgingInstrumentsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedging instruments [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_HedgingInstrumentsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_HedgingInstrumentsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_HedgingInstrumentsDomain" xlink:to="lab_ifrs-full_HedgingInstrumentsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EarningsPerShareLineItems_019b6a75-76e4-7a39-ad03-3c1bc59325ec_terseLabel_en-US" xlink:label="lab_ifrs-full_EarningsPerShareLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings per share [line items]</link:label>
    <link:label id="lab_ifrs-full_EarningsPerShareLineItems_label_en-US" xlink:label="lab_ifrs-full_EarningsPerShareLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings per share [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EarningsPerShareLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EarningsPerShareLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EarningsPerShareLineItems" xlink:to="lab_ifrs-full_EarningsPerShareLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_ContractLiabilitiesQuantityOfGoldProducedPercentage_019b6a75-76e4-7af3-ba51-9215a35a193a_terseLabel_en-US" xlink:label="lab_ero_ContractLiabilitiesQuantityOfGoldProducedPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of gold to be produced</link:label>
    <link:label id="lab_ero_ContractLiabilitiesQuantityOfGoldProducedPercentage_label_en-US" xlink:label="lab_ero_ContractLiabilitiesQuantityOfGoldProducedPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contract Liabilities, Quantity Of Gold Produced, Percentage</link:label>
    <link:label id="lab_ero_ContractLiabilitiesQuantityOfGoldProducedPercentage_documentation_en-US" xlink:label="lab_ero_ContractLiabilitiesQuantityOfGoldProducedPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contract Liabilities, Quantity Of Gold Produced, Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_ContractLiabilitiesQuantityOfGoldProducedPercentage" xlink:href="ero-20251231.xsd#ero_ContractLiabilitiesQuantityOfGoldProducedPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_ContractLiabilitiesQuantityOfGoldProducedPercentage" xlink:to="lab_ero_ContractLiabilitiesQuantityOfGoldProducedPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_SettlementOfIncomeTaxesPayableWithValueAddedTaxRecoverable_019ca4dc-b304-7827-b308-97c0e376f2e6_verboseLabel_en-US" xlink:label="lab_ero_SettlementOfIncomeTaxesPayableWithValueAddedTaxRecoverable" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Settlement of income taxes payable via VAT recoverable</link:label>
    <link:label id="lab_ero_SettlementOfIncomeTaxesPayableWithValueAddedTaxRecoverable_label_en-US" xlink:label="lab_ero_SettlementOfIncomeTaxesPayableWithValueAddedTaxRecoverable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Settlement of Income Taxes Payable With Value Added Tax Recoverable</link:label>
    <link:label id="lab_ero_SettlementOfIncomeTaxesPayableWithValueAddedTaxRecoverable_documentation_en-US" xlink:label="lab_ero_SettlementOfIncomeTaxesPayableWithValueAddedTaxRecoverable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Settlement of Income Taxes Payable With Value Added Tax Recoverable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_SettlementOfIncomeTaxesPayableWithValueAddedTaxRecoverable" xlink:href="ero-20251231.xsd#ero_SettlementOfIncomeTaxesPayableWithValueAddedTaxRecoverable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_SettlementOfIncomeTaxesPayableWithValueAddedTaxRecoverable" xlink:to="lab_ero_SettlementOfIncomeTaxesPayableWithValueAddedTaxRecoverable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss_019b6a75-7640-7d9b-b3cc-9e04fd43b1fa_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contractual cash flows</link:label>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss_label_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial liabilities at fair value through profit or loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss" xlink:to="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AuditedAnnualFinancialStatements_019b6a75-76e4-71f3-a9ad-6fb6db0b63a0_terseLabel_en-US" xlink:label="lab_dei_AuditedAnnualFinancialStatements" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Audited Annual Financial Statements</link:label>
    <link:label id="lab_dei_AuditedAnnualFinancialStatements_label_en-US" xlink:label="lab_dei_AuditedAnnualFinancialStatements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Audited Annual Financial Statements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AuditedAnnualFinancialStatements" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AuditedAnnualFinancialStatements"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AuditedAnnualFinancialStatements" xlink:to="lab_dei_AuditedAnnualFinancialStatements" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_XavantinaOperationsMember_019b6a75-76e4-77bd-a177-cd4f8716df0b_terseLabel_en-US" xlink:label="lab_ero_XavantinaOperationsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Xavantina</link:label>
    <link:label id="lab_ero_XavantinaOperationsMember_label_en-US" xlink:label="lab_ero_XavantinaOperationsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Xavantina Operations [Member]</link:label>
    <link:label id="lab_ero_XavantinaOperationsMember_documentation_en-US" xlink:label="lab_ero_XavantinaOperationsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Xavantina Operations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_XavantinaOperationsMember" xlink:href="ero-20251231.xsd#ero_XavantinaOperationsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_XavantinaOperationsMember" xlink:to="lab_ero_XavantinaOperationsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_BorrowingsUndrawnCommitmentFees_019b6a75-7640-7d14-a7a8-5a4932f2a77a_terseLabel_en-US" xlink:label="lab_ero_BorrowingsUndrawnCommitmentFees" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings, undrawn commitment fees (as a percent)</link:label>
    <link:label id="lab_ero_BorrowingsUndrawnCommitmentFees_label_en-US" xlink:label="lab_ero_BorrowingsUndrawnCommitmentFees" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings, undrawn commitment fees</link:label>
    <link:label id="lab_ero_BorrowingsUndrawnCommitmentFees_documentation_en-US" xlink:label="lab_ero_BorrowingsUndrawnCommitmentFees" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowings, undrawn commitment fees</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_BorrowingsUndrawnCommitmentFees" xlink:href="ero-20251231.xsd#ero_BorrowingsUndrawnCommitmentFees"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_BorrowingsUndrawnCommitmentFees" xlink:to="lab_ero_BorrowingsUndrawnCommitmentFees" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressesAddressTypeAxis_019b6a75-7640-7291-a9a2-444d86624626_terseLabel_en-US" xlink:label="lab_dei_EntityAddressesAddressTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Addresses, Address Type [Axis]</link:label>
    <link:label id="lab_dei_EntityAddressesAddressTypeAxis_label_en-US" xlink:label="lab_dei_EntityAddressesAddressTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Addresses, Address Type [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressesAddressTypeAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressesAddressTypeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressesAddressTypeAxis" xlink:to="lab_dei_EntityAddressesAddressTypeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_InflationFactorMeasurementInputMember_019b6a75-7640-7641-8999-55b895f4e6f9_terseLabel_en-US" xlink:label="lab_ero_InflationFactorMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inflation factor</link:label>
    <link:label id="lab_ero_InflationFactorMeasurementInputMember_label_en-US" xlink:label="lab_ero_InflationFactorMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inflation Factor, Measurement Input [Member]</link:label>
    <link:label id="lab_ero_InflationFactorMeasurementInputMember_documentation_en-US" xlink:label="lab_ero_InflationFactorMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Inflation Factor, Measurement Input</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_InflationFactorMeasurementInputMember" xlink:href="ero-20251231.xsd#ero_InflationFactorMeasurementInputMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_InflationFactorMeasurementInputMember" xlink:to="lab_ero_InflationFactorMeasurementInputMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_SupplementalCashFlowsAbstract_label_en-US" xlink:label="lab_ero_SupplementalCashFlowsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Supplemental Cash Flows [Abstract]</link:label>
    <link:label id="lab_ero_SupplementalCashFlowsAbstract_documentation_en-US" xlink:label="lab_ero_SupplementalCashFlowsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Supplemental Cash Flows</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_SupplementalCashFlowsAbstract" xlink:href="ero-20251231.xsd#ero_SupplementalCashFlowsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_SupplementalCashFlowsAbstract" xlink:to="lab_ero_SupplementalCashFlowsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfProvisionsExplanatory_019b6a75-7640-7f47-ab09-b57040f0e5f6_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for rehabilitation and closure costs</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfProvisionsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of provisions [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfProvisionsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_RevenueFromContractsWithCustomerCumulativeQuantityDelivered_019b6a75-7640-70ab-aba2-b5760b00c794_terseLabel_en-US" xlink:label="lab_ero_RevenueFromContractsWithCustomerCumulativeQuantityDelivered" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cumulative quantity delivered</link:label>
    <link:label id="lab_ero_RevenueFromContractsWithCustomerCumulativeQuantityDelivered_label_en-US" xlink:label="lab_ero_RevenueFromContractsWithCustomerCumulativeQuantityDelivered" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue From Contracts With Customer, Cumulative Quantity Delivered</link:label>
    <link:label id="lab_ero_RevenueFromContractsWithCustomerCumulativeQuantityDelivered_documentation_en-US" xlink:label="lab_ero_RevenueFromContractsWithCustomerCumulativeQuantityDelivered" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Revenue From Contracts With Customer, Cumulative Quantity Delivered</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_RevenueFromContractsWithCustomerCumulativeQuantityDelivered" xlink:href="ero-20251231.xsd#ero_RevenueFromContractsWithCustomerCumulativeQuantityDelivered"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_RevenueFromContractsWithCustomerCumulativeQuantityDelivered" xlink:to="lab_ero_RevenueFromContractsWithCustomerCumulativeQuantityDelivered" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_OtherAdjustmentsForForeignExchangeGainsLosses_019b6a75-7640-7eaf-8c9e-b78f8cacedfa_terseLabel_en-US" xlink:label="lab_ero_OtherAdjustmentsForForeignExchangeGainsLosses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign exchange (loss) gain on other financial assets and liabilities</link:label>
    <link:label id="lab_ero_OtherAdjustmentsForForeignExchangeGainsLosses_label_en-US" xlink:label="lab_ero_OtherAdjustmentsForForeignExchangeGainsLosses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Adjustments For Foreign Exchange Gains (Losses)</link:label>
    <link:label id="lab_ero_OtherAdjustmentsForForeignExchangeGainsLosses_documentation_en-US" xlink:label="lab_ero_OtherAdjustmentsForForeignExchangeGainsLosses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Adjustments For Foreign Exchange Gains (Losses)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_OtherAdjustmentsForForeignExchangeGainsLosses" xlink:href="ero-20251231.xsd#ero_OtherAdjustmentsForForeignExchangeGainsLosses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_OtherAdjustmentsForForeignExchangeGainsLosses" xlink:to="lab_ero_OtherAdjustmentsForForeignExchangeGainsLosses" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MajorCustomersDomain_019ca54c-af77-76d5-9f43-905dbeb8bf4c_terseLabel_en-US" xlink:label="lab_ifrs-full_MajorCustomersDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Major customers [domain]</link:label>
    <link:label id="lab_ifrs-full_MajorCustomersDomain_label_en-US" xlink:label="lab_ifrs-full_MajorCustomersDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Major customers [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MajorCustomersDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MajorCustomersDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MajorCustomersDomain" xlink:to="lab_ifrs-full_MajorCustomersDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfRisksDomain_019b6a75-76e4-71f5-8a57-3da57439f037_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfRisksDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of risks [domain]</link:label>
    <link:label id="lab_ifrs-full_TypesOfRisksDomain_label_en-US" xlink:label="lab_ifrs-full_TypesOfRisksDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of risks [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfRisksDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TypesOfRisksDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfRisksDomain" xlink:to="lab_ifrs-full_TypesOfRisksDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable_019b6a75-7640-73a2-b41a-681f501fb7ac_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of disaggregation of revenue from contracts with customers [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of disaggregation of revenue from contracts with customers [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable"/>
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    <link:label id="lab_ifrs-full_PerformanceObligationsSatisfiedOverTimeMember_019b6a75-7640-7ee3-a3fd-56eab8873b7b_terseLabel_en-US" xlink:label="lab_ifrs-full_PerformanceObligationsSatisfiedOverTimeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Performance obligations satisfied over time</link:label>
    <link:label id="lab_ifrs-full_PerformanceObligationsSatisfiedOverTimeMember_label_en-US" xlink:label="lab_ifrs-full_PerformanceObligationsSatisfiedOverTimeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Performance obligations satisfied over time [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PerformanceObligationsSatisfiedOverTimeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PerformanceObligationsSatisfiedOverTimeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PerformanceObligationsSatisfiedOverTimeMember" xlink:to="lab_ifrs-full_PerformanceObligationsSatisfiedOverTimeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentLiabilities_019b6a75-7640-7e7b-9638-95b8e3654ab3_totalLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total non-current liabilities</link:label>
    <link:label id="lab_ifrs-full_NoncurrentLiabilities_label_en-US" xlink:label="lab_ifrs-full_NoncurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentLiabilities" xlink:to="lab_ifrs-full_NoncurrentLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WorkInProgress_019b6a75-7640-748e-a741-1050c023820d_terseLabel_en-US" xlink:label="lab_ifrs-full_WorkInProgress" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Work in progress</link:label>
    <link:label id="lab_ifrs-full_WorkInProgress_label_en-US" xlink:label="lab_ifrs-full_WorkInProgress" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current work in progress</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WorkInProgress" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_WorkInProgress"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WorkInProgress" xlink:to="lab_ifrs-full_WorkInProgress" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables_019b6a75-76e4-73fb-85b0-fe7219574930_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable and accrued liabilities</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for increase (decrease) in trade and other payables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" xlink:to="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherFinanceCost_019b6a75-76e5-7291-96ac-154eed2603f6_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherFinanceCost" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other finance expenses</link:label>
    <link:label id="lab_ifrs-full_OtherFinanceCost_label_en-US" xlink:label="lab_ifrs-full_OtherFinanceCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other finance cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherFinanceCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherFinanceCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherFinanceCost" xlink:to="lab_ifrs-full_OtherFinanceCost" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EstimatedFinancialEffectOfContingentLiabilities_019b6a75-7640-7411-a3e0-d0c061f49fa5_terseLabel_en-US" xlink:label="lab_ifrs-full_EstimatedFinancialEffectOfContingentLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Estimated financial effect of contingent liabilities</link:label>
    <link:label id="lab_ifrs-full_EstimatedFinancialEffectOfContingentLiabilities_label_en-US" xlink:label="lab_ifrs-full_EstimatedFinancialEffectOfContingentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Estimated financial effect of contingent liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EstimatedFinancialEffectOfContingentLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EstimatedFinancialEffectOfContingentLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EstimatedFinancialEffectOfContingentLiabilities" xlink:to="lab_ifrs-full_EstimatedFinancialEffectOfContingentLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsTable_019b6a75-76e4-7b38-97f1-fd306d3f3101_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of operating segments [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of operating segments [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:to="lab_ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComponentsOfEquityDomain_019b6a75-7640-78f7-83a1-bd2e57553562_terseLabel_en-US" xlink:label="lab_ifrs-full_ComponentsOfEquityDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Components of equity [domain]</link:label>
    <link:label id="lab_ifrs-full_ComponentsOfEquityDomain_label_en-US" xlink:label="lab_ifrs-full_ComponentsOfEquityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Components of equity [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComponentsOfEquityDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComponentsOfEquityDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComponentsOfEquityDomain" xlink:to="lab_ifrs-full_ComponentsOfEquityDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_ScheduleOfMaximumCreditRiskExposureTableTextBlock_019b6a75-76e4-7fed-b668-e7d87559869e_terseLabel_en-US" xlink:label="lab_ero_ScheduleOfMaximumCreditRiskExposureTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Maximum Credit Risk Exposure</link:label>
    <link:label id="lab_ero_ScheduleOfMaximumCreditRiskExposureTableTextBlock_label_en-US" xlink:label="lab_ero_ScheduleOfMaximumCreditRiskExposureTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Maximum Credit Risk Exposure [Table Text Block]</link:label>
    <link:label id="lab_ero_ScheduleOfMaximumCreditRiskExposureTableTextBlock_documentation_en-US" xlink:label="lab_ero_ScheduleOfMaximumCreditRiskExposureTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Maximum Credit Risk Exposure</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_ScheduleOfMaximumCreditRiskExposureTableTextBlock" xlink:href="ero-20251231.xsd#ero_ScheduleOfMaximumCreditRiskExposureTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_ScheduleOfMaximumCreditRiskExposureTableTextBlock" xlink:to="lab_ero_ScheduleOfMaximumCreditRiskExposureTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory_019b6a75-7640-733d-aaaf-2b082bc7408b_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basis of Preparation</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of basis of preparation of financial statements [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory"/>
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    <link:label id="lab_ifrs-full_FinishedGoods_019b6a75-7640-7193-b70a-44c03ea6740b_terseLabel_en-US" xlink:label="lab_ifrs-full_FinishedGoods" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finished goods</link:label>
    <link:label id="lab_ifrs-full_FinishedGoods_label_en-US" xlink:label="lab_ifrs-full_FinishedGoods" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current finished goods</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinishedGoods" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinishedGoods"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinishedGoods" xlink:to="lab_ifrs-full_FinishedGoods" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_BoaEsperanaPropertyMember_019b6a75-76e4-704d-bc18-4cf0e1af700a_terseLabel_en-US" xlink:label="lab_ero_BoaEsperanaPropertyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Boa Esperan&#231;a Property</link:label>
    <link:label id="lab_ero_BoaEsperanaPropertyMember_label_en-US" xlink:label="lab_ero_BoaEsperanaPropertyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Boa Esperan&#231;a Property [Member]</link:label>
    <link:label id="lab_ero_BoaEsperanaPropertyMember_documentation_en-US" xlink:label="lab_ero_BoaEsperanaPropertyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Boa Esperan&#231;a Property</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_BoaEsperanaPropertyMember" xlink:href="ero-20251231.xsd#ero_BoaEsperanaPropertyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_BoaEsperanaPropertyMember" xlink:to="lab_ero_BoaEsperanaPropertyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LoansAndReceivablesCategoryMember_019b6a75-7640-7c57-8205-459e665cf46d_terseLabel_en-US" xlink:label="lab_ifrs-full_LoansAndReceivablesCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and receivables, category</link:label>
    <link:label id="lab_ifrs-full_LoansAndReceivablesCategoryMember_label_en-US" xlink:label="lab_ifrs-full_LoansAndReceivablesCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans and receivables, category [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LoansAndReceivablesCategoryMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LoansAndReceivablesCategoryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LoansAndReceivablesCategoryMember" xlink:to="lab_ifrs-full_LoansAndReceivablesCategoryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DiscountRateMeasurementInputMember_019b6a75-7640-7764-913e-cf6907dd1e32_terseLabel_en-US" xlink:label="lab_ifrs-full_DiscountRateMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Discount rate</link:label>
    <link:label id="lab_ifrs-full_DiscountRateMeasurementInputMember_label_en-US" xlink:label="lab_ifrs-full_DiscountRateMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Discount rate, measurement input [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DiscountRateMeasurementInputMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DiscountRateMeasurementInputMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DiscountRateMeasurementInputMember" xlink:to="lab_ifrs-full_DiscountRateMeasurementInputMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions_019b6a75-7640-7b08-95a3-36d7d7143c0c_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign exchange</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through net exchange differences, other provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions"/>
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    <link:label id="lab_ero_SecuredOvernightFinancingRateSOFRMember_019b6a75-7640-787a-b5ed-a2fe314ee331_terseLabel_en-US" xlink:label="lab_ero_SecuredOvernightFinancingRateSOFRMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SOFR</link:label>
    <link:label id="lab_ero_SecuredOvernightFinancingRateSOFRMember_label_en-US" xlink:label="lab_ero_SecuredOvernightFinancingRateSOFRMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Secured Overnight Financing Rate (SOFR) [Member]</link:label>
    <link:label id="lab_ero_SecuredOvernightFinancingRateSOFRMember_documentation_en-US" xlink:label="lab_ero_SecuredOvernightFinancingRateSOFRMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Secured Overnight Financing Rate (SOFR)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_SecuredOvernightFinancingRateSOFRMember" xlink:href="ero-20251231.xsd#ero_SecuredOvernightFinancingRateSOFRMember"/>
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    <link:label id="lab_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariable20Percent_019b6a75-76e4-7c12-9f07-544a511bfe54_terseLabel_en-US" xlink:label="lab_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariable20Percent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">20 percent change on currency</link:label>
    <link:label id="lab_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariable20Percent_label_en-US" xlink:label="lab_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariable20Percent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, 20 Percent</link:label>
    <link:label id="lab_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariable20Percent_documentation_en-US" xlink:label="lab_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariable20Percent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, 20 Percent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariable20Percent" xlink:href="ero-20251231.xsd#ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariable20Percent"/>
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    <link:label id="lab_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate_019b6a75-7640-7889-80a1-cb2420436f00_terseLabel_en-US" xlink:label="lab_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income tax expense (recovery) at statutory rate</link:label>
    <link:label id="lab_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate_label_en-US" xlink:label="lab_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax expense (income) at applicable tax rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TaxExpenseIncomeAtApplicableTaxRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xlink:to="lab_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_SubsequentEventsAbstract_label_en-US" xlink:label="lab_ero_SubsequentEventsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsequent Events [Abstract]</link:label>
    <link:label id="lab_ero_SubsequentEventsAbstract_documentation_en-US" xlink:label="lab_ero_SubsequentEventsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Subsequent Events [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_SubsequentEventsAbstract" xlink:href="ero-20251231.xsd#ero_SubsequentEventsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_SubsequentEventsAbstract" xlink:to="lab_ero_SubsequentEventsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_HedgedItemsDomain_019b6a75-7640-7d85-8eeb-55ab66c11698_terseLabel_en-US" xlink:label="lab_ifrs-full_HedgedItemsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Hedged items [domain]</link:label>
    <link:label id="lab_ifrs-full_HedgedItemsDomain_label_en-US" xlink:label="lab_ifrs-full_HedgedItemsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedged items [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_HedgedItemsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_HedgedItemsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_HedgedItemsDomain" xlink:to="lab_ifrs-full_HedgedItemsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_RevenueFromContractsWithCustomersAbstract_019b6a75-76e4-796c-88f4-aadcce6ed874_terseLabel_en-US" xlink:label="lab_ero_RevenueFromContractsWithCustomersAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue From Contracts With Customers [Abstract]</link:label>
    <link:label id="lab_ero_RevenueFromContractsWithCustomersAbstract_label_en-US" xlink:label="lab_ero_RevenueFromContractsWithCustomersAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue From Contracts With Customers [Abstract]</link:label>
    <link:label id="lab_ero_RevenueFromContractsWithCustomersAbstract_documentation_en-US" xlink:label="lab_ero_RevenueFromContractsWithCustomersAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Revenue From Contracts With Customers [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_RevenueFromContractsWithCustomersAbstract" xlink:href="ero-20251231.xsd#ero_RevenueFromContractsWithCustomersAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_RevenueFromContractsWithCustomersAbstract" xlink:to="lab_ero_RevenueFromContractsWithCustomersAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdministrativeExpense_019b6a75-7640-774c-a432-4376f93ba662_terseLabel_en-US" xlink:label="lab_ifrs-full_AdministrativeExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Office and administration</link:label>
    <link:label id="lab_ifrs-full_AdministrativeExpense_label_en-US" xlink:label="lab_ifrs-full_AdministrativeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Administrative expenses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdministrativeExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdministrativeExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdministrativeExpense" xlink:to="lab_ifrs-full_AdministrativeExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_StockIssuedPricePerShare_019b6a75-76e5-71e1-89f7-53c6ba9c7700_terseLabel_en-US" xlink:label="lab_ero_StockIssuedPricePerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shares issued price per share (in usd per share)</link:label>
    <link:label id="lab_ero_StockIssuedPricePerShare_label_en-US" xlink:label="lab_ero_StockIssuedPricePerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock issued, Price Per Share</link:label>
    <link:label id="lab_ero_StockIssuedPricePerShare_documentation_en-US" xlink:label="lab_ero_StockIssuedPricePerShare" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Stock issued, Price Per Share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_StockIssuedPricePerShare" xlink:href="ero-20251231.xsd#ero_StockIssuedPricePerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_StockIssuedPricePerShare" xlink:to="lab_ero_StockIssuedPricePerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_ForeignExchangeGainLossIncludingExchangeDifferencesOnFairValueOfFinancialInstruments_019b6a75-7640-7ccf-aa0f-96b3d413c087_terseLabel_en-US" xlink:label="lab_ero_ForeignExchangeGainLossIncludingExchangeDifferencesOnFairValueOfFinancialInstruments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign exchange gain (loss)</link:label>
    <link:label id="lab_ero_ForeignExchangeGainLossIncludingExchangeDifferencesOnFairValueOfFinancialInstruments_019b6a75-7640-7d19-b767-ba903eeec084_totalLabel_en-US" xlink:label="lab_ero_ForeignExchangeGainLossIncludingExchangeDifferencesOnFairValueOfFinancialInstruments" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Foreign exchange gains (losses)</link:label>
    <link:label id="lab_ero_ForeignExchangeGainLossIncludingExchangeDifferencesOnFairValueOfFinancialInstruments_label_en-US" xlink:label="lab_ero_ForeignExchangeGainLossIncludingExchangeDifferencesOnFairValueOfFinancialInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Exchange Gain (Loss) Including Exchange Differences On Fair Value Of Financial Instruments</link:label>
    <link:label id="lab_ero_ForeignExchangeGainLossIncludingExchangeDifferencesOnFairValueOfFinancialInstruments_documentation_en-US" xlink:label="lab_ero_ForeignExchangeGainLossIncludingExchangeDifferencesOnFairValueOfFinancialInstruments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Foreign Exchange Gain (Loss) Including Exchange Differences On Fair Value Of Financial Instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_ForeignExchangeGainLossIncludingExchangeDifferencesOnFairValueOfFinancialInstruments" xlink:href="ero-20251231.xsd#ero_ForeignExchangeGainLossIncludingExchangeDifferencesOnFairValueOfFinancialInstruments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_ForeignExchangeGainLossIncludingExchangeDifferencesOnFairValueOfFinancialInstruments" xlink:to="lab_ero_ForeignExchangeGainLossIncludingExchangeDifferencesOnFairValueOfFinancialInstruments" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_LoansAndBorrowingsMember_019b6a75-76e4-7ea0-b720-201b0a0a62e4_verboseLabel_en-US" xlink:label="lab_ero_LoansAndBorrowingsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Loans and borrowings</link:label>
    <link:label id="lab_ero_LoansAndBorrowingsMember_019b6a75-76e4-7f21-b4d9-62ba89cec571_terseLabel_en-US" xlink:label="lab_ero_LoansAndBorrowingsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and borrowings (including interest)</link:label>
    <link:label id="lab_ero_LoansAndBorrowingsMember_label_en-US" xlink:label="lab_ero_LoansAndBorrowingsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans And Borrowings [Member]</link:label>
    <link:label id="lab_ero_LoansAndBorrowingsMember_documentation_en-US" xlink:label="lab_ero_LoansAndBorrowingsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loans And Borrowings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_LoansAndBorrowingsMember" xlink:href="ero-20251231.xsd#ero_LoansAndBorrowingsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_LoansAndBorrowingsMember" xlink:to="lab_ero_LoansAndBorrowingsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_HedgedItemsAxis_019b6a75-7640-7b68-a7dd-eab4af9c5932_terseLabel_en-US" xlink:label="lab_ifrs-full_HedgedItemsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Hedged items [axis]</link:label>
    <link:label id="lab_ifrs-full_HedgedItemsAxis_label_en-US" xlink:label="lab_ifrs-full_HedgedItemsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedged items [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_HedgedItemsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_HedgedItemsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_HedgedItemsAxis" xlink:to="lab_ifrs-full_HedgedItemsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_CurrentNotesReceivable_019b6a75-7640-7d2e-88f1-5ece31c82e95_terseLabel_en-US" xlink:label="lab_ero_CurrentNotesReceivable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade receivables</link:label>
    <link:label id="lab_ero_CurrentNotesReceivable_label_en-US" xlink:label="lab_ero_CurrentNotesReceivable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Notes Receivable</link:label>
    <link:label id="lab_ero_CurrentNotesReceivable_documentation_en-US" xlink:label="lab_ero_CurrentNotesReceivable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Current Notes Receivable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_CurrentNotesReceivable" xlink:href="ero-20251231.xsd#ero_CurrentNotesReceivable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_CurrentNotesReceivable" xlink:to="lab_ero_CurrentNotesReceivable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CostOfSales_019b6a75-7640-7c5a-be49-72b5e15711cc_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_CostOfSales" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Cost of sales</link:label>
    <link:label id="lab_ifrs-full_CostOfSales_019b6a75-7640-70d1-aa03-6d6e26a365dc_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_CostOfSales" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Cost of sales</link:label>
    <link:label id="lab_ifrs-full_CostOfSales_019b6a75-7640-71d7-b1e2-e8f74e09c0bb_totalLabel_en-US" xlink:label="lab_ifrs-full_CostOfSales" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Cost of sales</link:label>
    <link:label id="lab_ifrs-full_CostOfSales_label_en-US" xlink:label="lab_ifrs-full_CostOfSales" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost of sales</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CostOfSales" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CostOfSales"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CostOfSales" xlink:to="lab_ifrs-full_CostOfSales" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_AdditionsThroughLeasesPropertyPlantAndEquipment_019b6a75-76e5-75f1-a445-8c06916eb7b7_terseLabel_en-US" xlink:label="lab_ero_AdditionsThroughLeasesPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additions to property, plant and equipment by leases</link:label>
    <link:label id="lab_ero_AdditionsThroughLeasesPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ero_AdditionsThroughLeasesPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additions Through Leases, Property, Plant And Equipment</link:label>
    <link:label id="lab_ero_AdditionsThroughLeasesPropertyPlantAndEquipment_documentation_en-US" xlink:label="lab_ero_AdditionsThroughLeasesPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Additions Through Leases, Property, Plant And Equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_AdditionsThroughLeasesPropertyPlantAndEquipment" xlink:href="ero-20251231.xsd#ero_AdditionsThroughLeasesPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_AdditionsThroughLeasesPropertyPlantAndEquipment" xlink:to="lab_ero_AdditionsThroughLeasesPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncome_019b6a75-7640-7be6-8c78-5753c5842422_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other comprehensive loss for the year</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other comprehensive income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncome" xlink:to="lab_ifrs-full_OtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_AccretionOfMineClosuresAndRehabilitationProvisions_019b6a75-76e5-7273-a4da-0458b403ff13_terseLabel_en-US" xlink:label="lab_ero_AccretionOfMineClosuresAndRehabilitationProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accretion of provision for rehabilitation and closure costs</link:label>
    <link:label id="lab_ero_AccretionOfMineClosuresAndRehabilitationProvisions_label_en-US" xlink:label="lab_ero_AccretionOfMineClosuresAndRehabilitationProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accretion Of Mine Closures And Rehabilitation Provisions</link:label>
    <link:label id="lab_ero_AccretionOfMineClosuresAndRehabilitationProvisions_documentation_en-US" xlink:label="lab_ero_AccretionOfMineClosuresAndRehabilitationProvisions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Accretion Of Mine Closures And Rehabilitation Provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_AccretionOfMineClosuresAndRehabilitationProvisions" xlink:href="ero-20251231.xsd#ero_AccretionOfMineClosuresAndRehabilitationProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_AccretionOfMineClosuresAndRehabilitationProvisions" xlink:to="lab_ero_AccretionOfMineClosuresAndRehabilitationProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment_019b6a75-76e4-7b8f-bcda-653398f36bca_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers (Note 8)</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment_019b6a75-76e4-7cbc-b6f0-77f280b39473_negatedLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Transfers</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through transfers, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_DoreSalesMember_019ca4af-eeb9-7c2d-b061-fffea3614ed0_terseLabel_en-US" xlink:label="lab_ero_DoreSalesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dore Sales</link:label>
    <link:label id="lab_ero_DoreSalesMember_label_en-US" xlink:label="lab_ero_DoreSalesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dore Sales [Member]</link:label>
    <link:label id="lab_ero_DoreSalesMember_documentation_en-US" xlink:label="lab_ero_DoreSalesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Dore Sales</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DoreSalesMember" xlink:href="ero-20251231.xsd#ero_DoreSalesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_DoreSalesMember" xlink:to="lab_ero_DoreSalesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_DescriptionOfAccountingPolicyForNewAccountingPronouncementsPolicyTextBlock_019b6a75-7640-7d9f-9e62-429e9fc9437c_terseLabel_en-US" xlink:label="lab_ero_DescriptionOfAccountingPolicyForNewAccountingPronouncementsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">New Accounting Policies, Standards and Interpretations</link:label>
    <link:label id="lab_ero_DescriptionOfAccountingPolicyForNewAccountingPronouncementsPolicyTextBlock_label_en-US" xlink:label="lab_ero_DescriptionOfAccountingPolicyForNewAccountingPronouncementsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description Of Accounting Policy For New Accounting Pronouncements [Policy Text Block]</link:label>
    <link:label id="lab_ero_DescriptionOfAccountingPolicyForNewAccountingPronouncementsPolicyTextBlock_documentation_en-US" xlink:label="lab_ero_DescriptionOfAccountingPolicyForNewAccountingPronouncementsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Description Of Accounting Policy For New Accounting Pronouncements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DescriptionOfAccountingPolicyForNewAccountingPronouncementsPolicyTextBlock" xlink:href="ero-20251231.xsd#ero_DescriptionOfAccountingPolicyForNewAccountingPronouncementsPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_DescriptionOfAccountingPolicyForNewAccountingPronouncementsPolicyTextBlock" xlink:to="lab_ero_DescriptionOfAccountingPolicyForNewAccountingPronouncementsPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsExplanatory_019b6a75-76e4-76f2-964b-f8795b7c3173_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of Provision for Rehabilitation and Closure Costs</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of other provisions [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherProvisionsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfOtherProvisionsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherProvisionsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfOtherProvisionsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_DebtRelatedTemporaryDifferencesMember_019b6a75-7640-7b3e-b778-83ac44c5e4de_terseLabel_en-US" xlink:label="lab_ero_DebtRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and borrowings</link:label>
    <link:label id="lab_ero_DebtRelatedTemporaryDifferencesMember_label_en-US" xlink:label="lab_ero_DebtRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Related Temporary Differences [Member]</link:label>
    <link:label id="lab_ero_DebtRelatedTemporaryDifferencesMember_documentation_en-US" xlink:label="lab_ero_DebtRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Related Temporary Differences</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DebtRelatedTemporaryDifferencesMember" xlink:href="ero-20251231.xsd#ero_DebtRelatedTemporaryDifferencesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_DebtRelatedTemporaryDifferencesMember" xlink:to="lab_ero_DebtRelatedTemporaryDifferencesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_OtherEquityInstrumentsGrantedInShareBasedPaymentArrangementGrantDateFairValue_019b6a75-76e4-7139-99ac-be80122b4a5f_terseLabel_en-US" xlink:label="lab_ero_OtherEquityInstrumentsGrantedInShareBasedPaymentArrangementGrantDateFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other equity instruments granted in share-based payment arrangement, grant date fair value</link:label>
    <link:label id="lab_ero_OtherEquityInstrumentsGrantedInShareBasedPaymentArrangementGrantDateFairValue_label_en-US" xlink:label="lab_ero_OtherEquityInstrumentsGrantedInShareBasedPaymentArrangementGrantDateFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other equity instruments granted in share-based payment arrangement, grant date fair value</link:label>
    <link:label id="lab_ero_OtherEquityInstrumentsGrantedInShareBasedPaymentArrangementGrantDateFairValue_documentation_en-US" xlink:label="lab_ero_OtherEquityInstrumentsGrantedInShareBasedPaymentArrangementGrantDateFairValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other equity instruments granted in share-based payment arrangement, grant date fair value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_OtherEquityInstrumentsGrantedInShareBasedPaymentArrangementGrantDateFairValue" xlink:href="ero-20251231.xsd#ero_OtherEquityInstrumentsGrantedInShareBasedPaymentArrangementGrantDateFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_OtherEquityInstrumentsGrantedInShareBasedPaymentArrangementGrantDateFairValue" xlink:to="lab_ero_OtherEquityInstrumentsGrantedInShareBasedPaymentArrangementGrantDateFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityCommonStockSharesOutstanding_019b6a75-7640-761b-a234-c4bb35ac036b_terseLabel_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Common Stock, Shares Outstanding</link:label>
    <link:label id="lab_dei_EntityCommonStockSharesOutstanding_label_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Common Stock, Shares Outstanding</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityCommonStockSharesOutstanding"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCommonStockSharesOutstanding" xlink:to="lab_dei_EntityCommonStockSharesOutstanding" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_CaraibaBrazilMember_019b6a75-76e4-7451-a365-bb8ff3836b2a_terseLabel_en-US" xlink:label="lab_ero_CaraibaBrazilMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cara&#237;ba (Brazil)</link:label>
    <link:label id="lab_ero_CaraibaBrazilMember_label_en-US" xlink:label="lab_ero_CaraibaBrazilMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Caraiba (Brazil) [Member]</link:label>
    <link:label id="lab_ero_CaraibaBrazilMember_documentation_en-US" xlink:label="lab_ero_CaraibaBrazilMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Caraiba (Brazil)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_CaraibaBrazilMember" xlink:href="ero-20251231.xsd#ero_CaraibaBrazilMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_CaraibaBrazilMember" xlink:to="lab_ero_CaraibaBrazilMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfCustomersDomain_019b6a75-7640-7b5e-956b-0bc745798423_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfCustomersDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of customers [domain]</link:label>
    <link:label id="lab_ifrs-full_TypesOfCustomersDomain_label_en-US" xlink:label="lab_ifrs-full_TypesOfCustomersDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of customers [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfCustomersDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TypesOfCustomersDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfCustomersDomain" xlink:to="lab_ifrs-full_TypesOfCustomersDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ContractLiabilities_019b6a75-7640-75cf-b09d-717771c598e9_periodStartLabel_en-US" xlink:label="lab_ifrs-full_ContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balance, beginning of year</link:label>
    <link:label id="lab_ifrs-full_ContractLiabilities_019b6a75-7640-7c71-b401-a550b6168b9f_periodEndLabel_en-US" xlink:label="lab_ifrs-full_ContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balance, end of year</link:label>
    <link:label id="lab_ifrs-full_ContractLiabilities_label_en-US" xlink:label="lab_ifrs-full_ContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contract liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ContractLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ContractLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ContractLiabilities" xlink:to="lab_ifrs-full_ContractLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncontrollingInterests_019b6a75-7640-7194-a124-31b81022a98a_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-controlling interests</link:label>
    <link:label id="lab_ifrs-full_NoncontrollingInterests_label_en-US" xlink:label="lab_ifrs-full_NoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-controlling interests</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncontrollingInterests" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncontrollingInterests"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncontrollingInterests" xlink:to="lab_ifrs-full_NoncontrollingInterests" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_OtherAssetsCurrentMember_019b6a75-76e5-7828-aa5e-cd2ceaedfe45_terseLabel_en-US" xlink:label="lab_ero_OtherAssetsCurrentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Current Assets</link:label>
    <link:label id="lab_ero_OtherAssetsCurrentMember_label_en-US" xlink:label="lab_ero_OtherAssetsCurrentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Assets, Current [Member]</link:label>
    <link:label id="lab_ero_OtherAssetsCurrentMember_documentation_en-US" xlink:label="lab_ero_OtherAssetsCurrentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Assets, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_OtherAssetsCurrentMember" xlink:href="ero-20251231.xsd#ero_OtherAssetsCurrentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_OtherAssetsCurrentMember" xlink:to="lab_ero_OtherAssetsCurrentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement_019b6a75-7640-7aa2-a785-610f9a9c161f_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Number of Stock Options Cancelled (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement_label_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of share options forfeited in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement" xlink:to="lab_ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_PerformanceObligationsQuantityRequiredToBeReceived_019b6a75-7640-70b3-8b6a-edd96fb08a2e_terseLabel_en-US" xlink:label="lab_ero_PerformanceObligationsQuantityRequiredToBeReceived" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Quantity of gold required to be received (in ounce)</link:label>
    <link:label id="lab_ero_PerformanceObligationsQuantityRequiredToBeReceived_label_en-US" xlink:label="lab_ero_PerformanceObligationsQuantityRequiredToBeReceived" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Performance Obligations, Quantity Required To Be Received</link:label>
    <link:label id="lab_ero_PerformanceObligationsQuantityRequiredToBeReceived_documentation_en-US" xlink:label="lab_ero_PerformanceObligationsQuantityRequiredToBeReceived" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Performance Obligations, Quantity Required To Be Received</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_PerformanceObligationsQuantityRequiredToBeReceived" xlink:href="ero-20251231.xsd#ero_PerformanceObligationsQuantityRequiredToBeReceived"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_PerformanceObligationsQuantityRequiredToBeReceived" xlink:to="lab_ero_PerformanceObligationsQuantityRequiredToBeReceived" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradeAndOtherCurrentPayables_019b6a75-7640-76cb-8c65-a55e92f854db_terseLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentPayables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable and accrued liabilities</link:label>
    <link:label id="lab_ifrs-full_TradeAndOtherCurrentPayables_019b6a75-7640-71ee-bdb4-62f5089660f4_totalLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentPayables" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Accounts payable and accrued liabilities</link:label>
    <link:label id="lab_ifrs-full_TradeAndOtherCurrentPayables_label_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentPayables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade and other current payables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeAndOtherCurrentPayables" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TradeAndOtherCurrentPayables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherCurrentPayables" xlink:to="lab_ifrs-full_TradeAndOtherCurrentPayables" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense_019b6a75-7640-731e-afee-789c334a7f12_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization and depreciation</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for depreciation and amortisation expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:to="lab_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfOptionLifeShareOptionsGranted_019b6a75-7640-76a1-83b3-75798bfc4971_verboseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfOptionLifeShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Option life, share options granted</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfOptionLifeShareOptionsGranted_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfOptionLifeShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Option life, share options granted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfOptionLifeShareOptionsGranted" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfOptionLifeShareOptionsGranted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfOptionLifeShareOptionsGranted" xlink:to="lab_ifrs-full_DescriptionOfOptionLifeShareOptionsGranted" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTimeValueOfMoneyAdjustmentOtherProvisions_019b6a75-7640-73fe-a85e-627d5b59ffe3_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTimeValueOfMoneyAdjustmentOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accretion expense</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTimeValueOfMoneyAdjustmentOtherProvisions_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTimeValueOfMoneyAdjustmentOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase through adjustments arising from passage of time, other provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughTimeValueOfMoneyAdjustmentOtherProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseThroughTimeValueOfMoneyAdjustmentOtherProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughTimeValueOfMoneyAdjustmentOtherProvisions" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughTimeValueOfMoneyAdjustmentOtherProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_AdditionsCapitalizedBorrowingCostPropertyPlantAndEquipment_019b6a75-7640-7ebd-975f-d00ef706c8f3_terseLabel_en-US" xlink:label="lab_ero_AdditionsCapitalizedBorrowingCostPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capitalized borrowing costs</link:label>
    <link:label id="lab_ero_AdditionsCapitalizedBorrowingCostPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ero_AdditionsCapitalizedBorrowingCostPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additions, Capitalized Borrowing Cost, Property, Plant And Equipment</link:label>
    <link:label id="lab_ero_AdditionsCapitalizedBorrowingCostPropertyPlantAndEquipment_documentation_en-US" xlink:label="lab_ero_AdditionsCapitalizedBorrowingCostPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Additions, Capitalized Borrowing Cost, Property, Plant And Equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_AdditionsCapitalizedBorrowingCostPropertyPlantAndEquipment" xlink:href="ero-20251231.xsd#ero_AdditionsCapitalizedBorrowingCostPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_AdditionsCapitalizedBorrowingCostPropertyPlantAndEquipment" xlink:to="lab_ero_AdditionsCapitalizedBorrowingCostPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsTable_019b6a75-76e5-79a3-b20e-ca4a7765e0b7_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about financial instruments [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about financial instruments [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:to="lab_ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_StatementGeographicalAxis_019b6a75-76e5-72c6-8f55-b5ae94991ab7_terseLabel_en-US" xlink:label="lab_srt_StatementGeographicalAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Geographical [Axis]</link:label>
    <link:label id="lab_srt_StatementGeographicalAxis_label_en-US" xlink:label="lab_srt_StatementGeographicalAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Geographical [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_StatementGeographicalAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_StatementGeographicalAxis" xlink:to="lab_srt_StatementGeographicalAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_VestingRequirementsForShareBasedPaymentArrangementVestingPeriod_019b6a75-76e5-7101-9780-0923ed9fdf91_terseLabel_en-US" xlink:label="lab_ero_VestingRequirementsForShareBasedPaymentArrangementVestingPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vesting period</link:label>
    <link:label id="lab_ero_VestingRequirementsForShareBasedPaymentArrangementVestingPeriod_label_en-US" xlink:label="lab_ero_VestingRequirementsForShareBasedPaymentArrangementVestingPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Vesting Requirements For Share-Based Payment Arrangement, Vesting Period</link:label>
    <link:label id="lab_ero_VestingRequirementsForShareBasedPaymentArrangementVestingPeriod_documentation_en-US" xlink:label="lab_ero_VestingRequirementsForShareBasedPaymentArrangementVestingPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Vesting Requirements For Share-Based Payment Arrangement, Vesting Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_VestingRequirementsForShareBasedPaymentArrangementVestingPeriod" xlink:href="ero-20251231.xsd#ero_VestingRequirementsForShareBasedPaymentArrangementVestingPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_VestingRequirementsForShareBasedPaymentArrangementVestingPeriod" xlink:to="lab_ero_VestingRequirementsForShareBasedPaymentArrangementVestingPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets_019b6a75-76e5-7332-980f-4a27c45ab35f_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Share-based compensation</link:label>
    <link:label id="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets_label_en-US" xlink:label="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expense from share-based payment transactions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets" xlink:to="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019_019b6a75-76e5-7745-86bb-7a95029724d0_verboseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Weighted average remaining contractual life of outstanding share options</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average remaining contractual life of outstanding share options</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019" xlink:to="lab_ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_AmortizationOfContractLiabilitiesChangeInEstimate_019b6a75-7640-76a1-aa94-9355edf18b19_terseLabel_en-US" xlink:label="lab_ero_AmortizationOfContractLiabilitiesChangeInEstimate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization due to change in estimate</link:label>
    <link:label id="lab_ero_AmortizationOfContractLiabilitiesChangeInEstimate_label_en-US" xlink:label="lab_ero_AmortizationOfContractLiabilitiesChangeInEstimate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization Of Contract Liabilities, Change In Estimate</link:label>
    <link:label id="lab_ero_AmortizationOfContractLiabilitiesChangeInEstimate_documentation_en-US" xlink:label="lab_ero_AmortizationOfContractLiabilitiesChangeInEstimate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amortization Of Contract Liabilities, Change In Estimate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_AmortizationOfContractLiabilitiesChangeInEstimate" xlink:href="ero-20251231.xsd#ero_AmortizationOfContractLiabilitiesChangeInEstimate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_AmortizationOfContractLiabilitiesChangeInEstimate" xlink:to="lab_ero_AmortizationOfContractLiabilitiesChangeInEstimate" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_CostOfSalesUtilitiesExpense_019b6a75-7640-7ae0-8202-1ddb061ba4ec_terseLabel_en-US" xlink:label="lab_ero_CostOfSalesUtilitiesExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Utilities</link:label>
    <link:label id="lab_ero_CostOfSalesUtilitiesExpense_label_en-US" xlink:label="lab_ero_CostOfSalesUtilitiesExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost Of Sales, Utilities Expense</link:label>
    <link:label id="lab_ero_CostOfSalesUtilitiesExpense_documentation_en-US" xlink:label="lab_ero_CostOfSalesUtilitiesExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cost Of Sales, Utilities Expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_CostOfSalesUtilitiesExpense" xlink:href="ero-20251231.xsd#ero_CostOfSalesUtilitiesExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_CostOfSalesUtilitiesExpense" xlink:to="lab_ero_CostOfSalesUtilitiesExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EarningsPerShareTable_019b6a75-7640-73fc-a763-22107d8c84b5_terseLabel_en-US" xlink:label="lab_ifrs-full_EarningsPerShareTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings per share [table]</link:label>
    <link:label id="lab_ifrs-full_EarningsPerShareTable_label_en-US" xlink:label="lab_ifrs-full_EarningsPerShareTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings per share [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EarningsPerShareTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EarningsPerShareTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EarningsPerShareTable" xlink:to="lab_ifrs-full_EarningsPerShareTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_FairValueOfSharesFromShareBasedPaymentTransactions_019b6a75-7640-7f7a-b2ad-75b9b2eb4dd6_terseLabel_en-US" xlink:label="lab_ero_FairValueOfSharesFromShareBasedPaymentTransactions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value of liability</link:label>
    <link:label id="lab_ero_FairValueOfSharesFromShareBasedPaymentTransactions_label_en-US" xlink:label="lab_ero_FairValueOfSharesFromShareBasedPaymentTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Of Shares From Share-Based Payment Transactions</link:label>
    <link:label id="lab_ero_FairValueOfSharesFromShareBasedPaymentTransactions_documentation_en-US" xlink:label="lab_ero_FairValueOfSharesFromShareBasedPaymentTransactions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair Value Of Shares From Share-Based Payment Transactions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_FairValueOfSharesFromShareBasedPaymentTransactions" xlink:href="ero-20251231.xsd#ero_FairValueOfSharesFromShareBasedPaymentTransactions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_FairValueOfSharesFromShareBasedPaymentTransactions" xlink:to="lab_ero_FairValueOfSharesFromShareBasedPaymentTransactions" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_BorrowingsRedemptionPricePercentage_019b6a75-7640-7a81-9a4e-8af17e3e89a0_terseLabel_en-US" xlink:label="lab_ero_BorrowingsRedemptionPricePercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Redemption price, percentage</link:label>
    <link:label id="lab_ero_BorrowingsRedemptionPricePercentage_label_en-US" xlink:label="lab_ero_BorrowingsRedemptionPricePercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings, Redemption Price, Percentage</link:label>
    <link:label id="lab_ero_BorrowingsRedemptionPricePercentage_documentation_en-US" xlink:label="lab_ero_BorrowingsRedemptionPricePercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowings, Redemption Price, Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_BorrowingsRedemptionPricePercentage" xlink:href="ero-20251231.xsd#ero_BorrowingsRedemptionPricePercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_BorrowingsRedemptionPricePercentage" xlink:to="lab_ero_BorrowingsRedemptionPricePercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LiabilitiesAbstract_019b6a75-7640-7491-aeb5-352ee316f286_terseLabel_en-US" xlink:label="lab_ifrs-full_LiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">LIABILITIES</link:label>
    <link:label id="lab_ifrs-full_LiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_LiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiabilitiesAbstract" xlink:to="lab_ifrs-full_LiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BorrowingsByNameAxis_019b6a75-76e4-7e21-9e06-9e85913a085d_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingsByNameAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings by name [axis]</link:label>
    <link:label id="lab_ifrs-full_BorrowingsByNameAxis_label_en-US" xlink:label="lab_ifrs-full_BorrowingsByNameAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings by name [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingsByNameAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BorrowingsByNameAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsByNameAxis" xlink:to="lab_ifrs-full_BorrowingsByNameAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_StockUnitsMember_019b6a75-7640-7798-a095-8fd0494474e6_terseLabel_en-US" xlink:label="lab_ero_StockUnitsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share units</link:label>
    <link:label id="lab_ero_StockUnitsMember_label_en-US" xlink:label="lab_ero_StockUnitsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Units [Member]</link:label>
    <link:label id="lab_ero_StockUnitsMember_documentation_en-US" xlink:label="lab_ero_StockUnitsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Stock Units</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_StockUnitsMember" xlink:href="ero-20251231.xsd#ero_StockUnitsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_StockUnitsMember" xlink:to="lab_ero_StockUnitsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_ExplorationDrillingPhaseTwoArea_019b6a75-76e5-7db9-aedb-683533787c11_terseLabel_en-US" xlink:label="lab_ero_ExplorationDrillingPhaseTwoArea" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exploration Drilling Phase Two, Area</link:label>
    <link:label id="lab_ero_ExplorationDrillingPhaseTwoArea_label_en-US" xlink:label="lab_ero_ExplorationDrillingPhaseTwoArea" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Exploration Drilling Phase Two, Area</link:label>
    <link:label id="lab_ero_ExplorationDrillingPhaseTwoArea_documentation_en-US" xlink:label="lab_ero_ExplorationDrillingPhaseTwoArea" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Exploration Drilling Phase Two, Area</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_ExplorationDrillingPhaseTwoArea" xlink:href="ero-20251231.xsd#ero_ExplorationDrillingPhaseTwoArea"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_ExplorationDrillingPhaseTwoArea" xlink:to="lab_ero_ExplorationDrillingPhaseTwoArea" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_RelatedPartyAbstract_label_en-US" xlink:label="lab_ero_RelatedPartyAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party [Abstract]</link:label>
    <link:label id="lab_ero_RelatedPartyAbstract_documentation_en-US" xlink:label="lab_ero_RelatedPartyAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Related Party [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_RelatedPartyAbstract" xlink:href="ero-20251231.xsd#ero_RelatedPartyAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_RelatedPartyAbstract" xlink:to="lab_ero_RelatedPartyAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfIncomeTaxExplanatory_019b6a75-7640-7489-861a-a6e3119a6a4c_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfIncomeTaxExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Taxes</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfIncomeTaxExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfIncomeTaxExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of income tax [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIncomeTaxExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfIncomeTaxExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfIncomeTaxExplanatory" xlink:to="lab_ifrs-full_DisclosureOfIncomeTaxExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities_019b6a75-76e5-786f-9715-1d3aabc62540_totalLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Cash flows used in investing activities</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) investing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_GainsLossesOnFinancialInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncome_019b6a75-76e5-75b6-83fb-be4abd1b5658_terseLabel_en-US" xlink:label="lab_ero_GainsLossesOnFinancialInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrealized foreign exchange gain (loss) on derivative contracts (note 23)</link:label>
    <link:label id="lab_ero_GainsLossesOnFinancialInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncome_019b6a75-76e5-76c7-ad0f-4427858eaf1d_verboseLabel_en-US" xlink:label="lab_ero_GainsLossesOnFinancialInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Gain (loss) from change in fair value</link:label>
    <link:label id="lab_ero_GainsLossesOnFinancialInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncome_label_en-US" xlink:label="lab_ero_GainsLossesOnFinancialInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (Losses) On Financial Instruments Measured At Fair Value Through Other Comprehensive Income</link:label>
    <link:label id="lab_ero_GainsLossesOnFinancialInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncome_documentation_en-US" xlink:label="lab_ero_GainsLossesOnFinancialInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Gains (Losses) On Financial Instruments Measured At Fair Value Through Other Comprehensive Income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_GainsLossesOnFinancialInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:href="ero-20251231.xsd#ero_GainsLossesOnFinancialInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_GainsLossesOnFinancialInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:to="lab_ero_GainsLossesOnFinancialInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfRisksAxis_019b6a75-7640-7e53-ba9b-273f1bf4499d_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfRisksAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of risks [axis]</link:label>
    <link:label id="lab_ifrs-full_TypesOfRisksAxis_label_en-US" xlink:label="lab_ifrs-full_TypesOfRisksAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of risks [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfRisksAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TypesOfRisksAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfRisksAxis" xlink:to="lab_ifrs-full_TypesOfRisksAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MarketsOfCustomersDomain_019ca4ae-ed6b-7b8c-a857-f30b61a53fc6_terseLabel_en-US" xlink:label="lab_ifrs-full_MarketsOfCustomersDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Markets of customers [domain]</link:label>
    <link:label id="lab_ifrs-full_MarketsOfCustomersDomain_label_en-US" xlink:label="lab_ifrs-full_MarketsOfCustomersDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Markets of customers [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MarketsOfCustomersDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MarketsOfCustomersDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MarketsOfCustomersDomain" xlink:to="lab_ifrs-full_MarketsOfCustomersDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RangeAxis_019b6a75-76e4-75d0-8c38-33138f5d61e3_terseLabel_en-US" xlink:label="lab_ifrs-full_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Range [axis]</link:label>
    <link:label id="lab_ifrs-full_RangeAxis_label_en-US" xlink:label="lab_ifrs-full_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Range [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RangeAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RangeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RangeAxis" xlink:to="lab_ifrs-full_RangeAxis" xlink:type="arc" order="1"/>
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    <link:label id="lab_ifrs-full_ClassesOfOtherProvisionsDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfOtherProvisionsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of other provisions [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfOtherProvisionsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfOtherProvisionsDomain"/>
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    <link:label id="lab_ero_DisclosureOfDetailedInformationAboutGeneralAndAdministrativeExpenseTableTextBlock_label_en-US" xlink:label="lab_ero_DisclosureOfDetailedInformationAboutGeneralAndAdministrativeExpenseTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About General And Administrative Expense [Table Text Block]</link:label>
    <link:label id="lab_ero_DisclosureOfDetailedInformationAboutGeneralAndAdministrativeExpenseTableTextBlock_documentation_en-US" xlink:label="lab_ero_DisclosureOfDetailedInformationAboutGeneralAndAdministrativeExpenseTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About General And Administrative Expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DisclosureOfDetailedInformationAboutGeneralAndAdministrativeExpenseTableTextBlock" xlink:href="ero-20251231.xsd#ero_DisclosureOfDetailedInformationAboutGeneralAndAdministrativeExpenseTableTextBlock"/>
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    <link:label id="lab_ero_SalariesAndConsultingFees_label_en-US" xlink:label="lab_ero_SalariesAndConsultingFees" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Salaries And Consulting Fees</link:label>
    <link:label id="lab_ero_SalariesAndConsultingFees_documentation_en-US" xlink:label="lab_ero_SalariesAndConsultingFees" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Salaries And Consulting Fees</link:label>
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    <link:label id="lab_ifrs-full_OtherProvisions_019b6a75-7640-7228-80cb-f04e4dbeed91_periodStartLabel_en-US" xlink:label="lab_ifrs-full_OtherProvisions" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balance, beginning of year</link:label>
    <link:label id="lab_ifrs-full_OtherProvisions_019b6a75-7640-75e1-93c7-996edeb6102e_periodEndLabel_en-US" xlink:label="lab_ifrs-full_OtherProvisions" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balance, end of year</link:label>
    <link:label id="lab_ifrs-full_OtherProvisions_label_en-US" xlink:label="lab_ifrs-full_OtherProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherProvisions"/>
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    <link:label id="lab_ifrs-full_OperatingSegmentsMember_019b6a75-7640-77ca-9622-e5ecaf6929d8_terseLabel_en-US" xlink:label="lab_ifrs-full_OperatingSegmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating segments [member]</link:label>
    <link:label id="lab_ifrs-full_OperatingSegmentsMember_label_en-US" xlink:label="lab_ifrs-full_OperatingSegmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating segments [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OperatingSegmentsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OperatingSegmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OperatingSegmentsMember" xlink:to="lab_ifrs-full_OperatingSegmentsMember" xlink:type="arc" order="1"/>
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    <link:label id="lab_ero_DisclosureOfDetailedInformationAboutForeignExchangeGainLossTableTextBlock_label_en-US" xlink:label="lab_ero_DisclosureOfDetailedInformationAboutForeignExchangeGainLossTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Foreign Exchange Gain (Loss) [Table Text Block]</link:label>
    <link:label id="lab_ero_DisclosureOfDetailedInformationAboutForeignExchangeGainLossTableTextBlock_documentation_en-US" xlink:label="lab_ero_DisclosureOfDetailedInformationAboutForeignExchangeGainLossTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Foreign Exchange Gain (Loss)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DisclosureOfDetailedInformationAboutForeignExchangeGainLossTableTextBlock" xlink:href="ero-20251231.xsd#ero_DisclosureOfDetailedInformationAboutForeignExchangeGainLossTableTextBlock"/>
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    <link:label id="lab_ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_019b6a75-7640-73db-b3d8-99c6cf617a7a_periodStartLabel_en-US" xlink:label="lab_ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Outstanding balance, beginning of year</link:label>
    <link:label id="lab_ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_019b6a75-7640-7e4d-84a6-63a8156b3e3a_periodEndLabel_en-US" xlink:label="lab_ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Outstanding balance, end of year</link:label>
    <link:label id="lab_ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_label_en-US" xlink:label="lab_ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of other equity instruments outstanding in share-based payment arrangement</link:label>
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    <link:label id="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of terms and conditions of share-based payment arrangement [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable"/>
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    <link:label id="lab_ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory_019b6a75-7640-738a-843d-00919736f636_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted Average Inputs in Fair Value Measurement of Stock Options</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of indirect measurement of fair value of goods or services received, share options granted during period [text block]</link:label>
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    <link:label id="lab_ifrs-full_StatementOfChangesInEquityLineItems_019b6a75-76e5-79d2-85e1-5a4d5469649b_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of changes in equity [line items]</link:label>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityLineItems_label_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of changes in equity [line items]</link:label>
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    <link:label id="lab_ero_DepositsAndOtherNonCurrentAssetsMember_019b6a75-7640-71cb-baf3-6b38be0ee17e_verboseLabel_en-US" xlink:label="lab_ero_DepositsAndOtherNonCurrentAssetsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Deposits and other assets</link:label>
    <link:label id="lab_ero_DepositsAndOtherNonCurrentAssetsMember_label_en-US" xlink:label="lab_ero_DepositsAndOtherNonCurrentAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deposits And Other Non-Current Assets [Member]</link:label>
    <link:label id="lab_ero_DepositsAndOtherNonCurrentAssetsMember_documentation_en-US" xlink:label="lab_ero_DepositsAndOtherNonCurrentAssetsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deposits And Other Non-Current Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DepositsAndOtherNonCurrentAssetsMember" xlink:href="ero-20251231.xsd#ero_DepositsAndOtherNonCurrentAssetsMember"/>
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    <link:label id="lab_ifrs-full_CurrentContractLiabilities_019b6a75-76e4-7d77-bf0f-87350039a33b_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current portion of deferred revenue</link:label>
    <link:label id="lab_ifrs-full_CurrentContractLiabilities_label_en-US" xlink:label="lab_ifrs-full_CurrentContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current contract liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentContractLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentContractLiabilities"/>
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    <link:label id="lab_ero_ExplorationForAndEvaluationOfMineralResourcesAbstract_label_en-US" xlink:label="lab_ero_ExplorationForAndEvaluationOfMineralResourcesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Exploration For And Evaluation Of Mineral Resources [Abstract]</link:label>
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    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherAssets_019b6a75-7640-75c2-8412-3122b41ace47_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other assets</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfCashFlowStatementExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfCashFlowStatementExplanatory"/>
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    <link:loc xlink:type="locator" xlink:label="loc_ero_IncreaseDecreaseThroughChangeInEstimatesOtherProvisions" xlink:href="ero-20251231.xsd#ero_IncreaseDecreaseThroughChangeInEstimatesOtherProvisions"/>
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    <link:label id="lab_ifrs-full_StatementOfCashFlowsAbstract_label_en-US" xlink:label="lab_ifrs-full_StatementOfCashFlowsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of cash flows [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_StatementOfCashFlowsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="lab_ifrs-full_StatementOfCashFlowsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentRegistrationStatement_019b6a75-7640-7c09-9799-af05e2f49962_terseLabel_en-US" xlink:label="lab_dei_DocumentRegistrationStatement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Registration Statement</link:label>
    <link:label id="lab_dei_DocumentRegistrationStatement_label_en-US" xlink:label="lab_dei_DocumentRegistrationStatement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Registration Statement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentRegistrationStatement" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentRegistrationStatement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentRegistrationStatement" xlink:to="lab_dei_DocumentRegistrationStatement" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsDomain_019b6a75-7640-77b9-ab0f-177fe17999c5_terseLabel_en-US" xlink:label="lab_ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ranges of exercise prices for outstanding share options [domain]</link:label>
    <link:label id="lab_ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsDomain_label_en-US" xlink:label="lab_ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ranges of exercise prices for outstanding share options [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsDomain" xlink:to="lab_ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentTaxExpenseIncome_019b6a75-7640-7aae-9b6a-72b1dab35983_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxExpenseIncome" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Current income tax expense</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxExpenseIncome_019b6a75-7640-7e89-bef5-7f2bce3e96ad_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current income tax: Relating to current income tax charge</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxExpenseIncome_label_en-US" xlink:label="lab_ifrs-full_CurrentTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current tax expense (income)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxExpenseIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentTaxExpenseIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxExpenseIncome" xlink:to="lab_ifrs-full_CurrentTaxExpenseIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_EquityReserves_019b6a75-7640-7ece-912e-c967898bda8e_terseLabel_en-US" xlink:label="lab_ero_EquityReserves" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity reserves</link:label>
    <link:label id="lab_ero_EquityReserves_label_en-US" xlink:label="lab_ero_EquityReserves" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Reserves</link:label>
    <link:label id="lab_ero_EquityReserves_documentation_en-US" xlink:label="lab_ero_EquityReserves" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Equity Reserves</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_EquityReserves" xlink:href="ero-20251231.xsd#ero_EquityReserves"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_EquityReserves" xlink:to="lab_ero_EquityReserves" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_InstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareAxis_019b6a75-7640-7162-adcc-b646b03e8a62_terseLabel_en-US" xlink:label="lab_ero_InstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Instruments With Potential Future Dilutive Effect Not Included In Calculation Of Diluted Earnings Per Share [Axis]</link:label>
    <link:label id="lab_ero_InstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareAxis_label_en-US" xlink:label="lab_ero_InstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Instruments With Potential Future Dilutive Effect Not Included In Calculation Of Diluted Earnings Per Share [Axis]</link:label>
    <link:label id="lab_ero_InstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareAxis_documentation_en-US" xlink:label="lab_ero_InstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Instruments With Potential Future Dilutive Effect Not Included In Calculation Of Diluted Earnings Per Share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_InstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareAxis" xlink:href="ero-20251231.xsd#ero_InstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_InstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareAxis" xlink:to="lab_ero_InstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_SecurityExchangeName_019b6a75-7640-7c66-99cb-e0d7cea2b813_terseLabel_en-US" xlink:label="lab_dei_SecurityExchangeName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Security Exchange Name</link:label>
    <link:label id="lab_dei_SecurityExchangeName_label_en-US" xlink:label="lab_dei_SecurityExchangeName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Security Exchange Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_SecurityExchangeName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_SecurityExchangeName" xlink:to="lab_dei_SecurityExchangeName" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_CostOfSalesDepreciationAndDepletionExpense_019b6a75-76e4-7a8f-9adf-07eac1f3bf47_terseLabel_en-US" xlink:label="lab_ero_CostOfSalesDepreciationAndDepletionExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation and depletion</link:label>
    <link:label id="lab_ero_CostOfSalesDepreciationAndDepletionExpense_label_en-US" xlink:label="lab_ero_CostOfSalesDepreciationAndDepletionExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost Of Sales, Depreciation And Depletion Expense</link:label>
    <link:label id="lab_ero_CostOfSalesDepreciationAndDepletionExpense_documentation_en-US" xlink:label="lab_ero_CostOfSalesDepreciationAndDepletionExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cost Of Sales, Depreciation And Depletion Expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_CostOfSalesDepreciationAndDepletionExpense" xlink:href="ero-20251231.xsd#ero_CostOfSalesDepreciationAndDepletionExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_CostOfSalesDepreciationAndDepletionExpense" xlink:to="lab_ero_CostOfSalesDepreciationAndDepletionExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_MobileEquipmentAndOtherMember_019b6a75-7640-7784-ae93-578c05eef661_terseLabel_en-US" xlink:label="lab_ero_MobileEquipmentAndOtherMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mobile equipment &amp; other assets</link:label>
    <link:label id="lab_ero_MobileEquipmentAndOtherMember_label_en-US" xlink:label="lab_ero_MobileEquipmentAndOtherMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mobile Equipment And Other [Member]</link:label>
    <link:label id="lab_ero_MobileEquipmentAndOtherMember_documentation_en-US" xlink:label="lab_ero_MobileEquipmentAndOtherMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mobile Equipment And Other</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_MobileEquipmentAndOtherMember" xlink:href="ero-20251231.xsd#ero_MobileEquipmentAndOtherMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_MobileEquipmentAndOtherMember" xlink:to="lab_ero_MobileEquipmentAndOtherMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue_019b6a75-7640-7ebf-aa2a-0b0e241ed5c4_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for recognition of revenue [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_AdjustmentsForChangesInIncreaseDecreaseInOperatingCapitalAbstract_019b6a75-76e4-7ba7-a201-b6bd28e125a7_terseLabel_en-US" xlink:label="lab_ero_AdjustmentsForChangesInIncreaseDecreaseInOperatingCapitalAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net change in non-cash working capital items:</link:label>
    <link:label id="lab_ero_AdjustmentsForChangesInIncreaseDecreaseInOperatingCapitalAbstract_label_en-US" xlink:label="lab_ero_AdjustmentsForChangesInIncreaseDecreaseInOperatingCapitalAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments For Changes In Increase (Decrease) In Operating Capital [Abstract]</link:label>
    <link:label id="lab_ero_AdjustmentsForChangesInIncreaseDecreaseInOperatingCapitalAbstract_documentation_en-US" xlink:label="lab_ero_AdjustmentsForChangesInIncreaseDecreaseInOperatingCapitalAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustments For Changes In Increase (Decrease) In Operating Capital</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_AdjustmentsForChangesInIncreaseDecreaseInOperatingCapitalAbstract" xlink:href="ero-20251231.xsd#ero_AdjustmentsForChangesInIncreaseDecreaseInOperatingCapitalAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_AdjustmentsForChangesInIncreaseDecreaseInOperatingCapitalAbstract" xlink:to="lab_ero_AdjustmentsForChangesInIncreaseDecreaseInOperatingCapitalAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_EquipmentFinanceLoansBRLMember_019b6a75-7640-70fe-99e9-f094b04e211b_terseLabel_en-US" xlink:label="lab_ero_EquipmentFinanceLoansBRLMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equipment Finance Loans BRL</link:label>
    <link:label id="lab_ero_EquipmentFinanceLoansBRLMember_label_en-US" xlink:label="lab_ero_EquipmentFinanceLoansBRLMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equipment Finance Loans BRL [Member]</link:label>
    <link:label id="lab_ero_EquipmentFinanceLoansBRLMember_documentation_en-US" xlink:label="lab_ero_EquipmentFinanceLoansBRLMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Equipment Finance Loans BRL</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_EquipmentFinanceLoansBRLMember" xlink:href="ero-20251231.xsd#ero_EquipmentFinanceLoansBRLMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_EquipmentFinanceLoansBRLMember" xlink:to="lab_ero_EquipmentFinanceLoansBRLMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EarningsPerShareExplanatory_019b6a75-76e5-7daa-8063-54a299b7c26f_terseLabel_en-US" xlink:label="lab_ifrs-full_EarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Net Income per Share</link:label>
    <link:label id="lab_ifrs-full_EarningsPerShareExplanatory_label_en-US" xlink:label="lab_ifrs-full_EarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings per share [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EarningsPerShareExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EarningsPerShareExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EarningsPerShareExplanatory" xlink:to="lab_ifrs-full_EarningsPerShareExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LeaseLiabilitiesMember_019b6a75-7640-7174-995a-9375dbd6f789_terseLabel_en-US" xlink:label="lab_ifrs-full_LeaseLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leases</link:label>
    <link:label id="lab_ifrs-full_LeaseLiabilitiesMember_label_en-US" xlink:label="lab_ifrs-full_LeaseLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease liabilities [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LeaseLiabilitiesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LeaseLiabilitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LeaseLiabilitiesMember" xlink:to="lab_ifrs-full_LeaseLiabilitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_DerivativeAverageCapPrice_019ca538-46fe-7c09-adb8-c8e625142927_terseLabel_en-US" xlink:label="lab_ero_DerivativeAverageCapPrice" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative average cap price (in usd per ounce)</link:label>
    <link:label id="lab_ero_DerivativeAverageCapPrice_label_en-US" xlink:label="lab_ero_DerivativeAverageCapPrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative, Average Cap Price</link:label>
    <link:label id="lab_ero_DerivativeAverageCapPrice_documentation_en-US" xlink:label="lab_ero_DerivativeAverageCapPrice" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Derivative, Average Cap Price</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DerivativeAverageCapPrice" xlink:href="ero-20251231.xsd#ero_DerivativeAverageCapPrice"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_DerivativeAverageCapPrice" xlink:to="lab_ero_DerivativeAverageCapPrice" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_NonCurrentValueAddedTaxAndOtherTaxesPayables_019b6a75-7640-7ad8-9557-b42c5f0f9002_terseLabel_en-US" xlink:label="lab_ero_NonCurrentValueAddedTaxAndOtherTaxesPayables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Withholding, value added tax, and other taxes payable</link:label>
    <link:label id="lab_ero_NonCurrentValueAddedTaxAndOtherTaxesPayables_label_en-US" xlink:label="lab_ero_NonCurrentValueAddedTaxAndOtherTaxesPayables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-Current Value Added Tax And Other Taxes Payables</link:label>
    <link:label id="lab_ero_NonCurrentValueAddedTaxAndOtherTaxesPayables_documentation_en-US" xlink:label="lab_ero_NonCurrentValueAddedTaxAndOtherTaxesPayables" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Non-Current Value Added Tax And Other Taxes Payables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_NonCurrentValueAddedTaxAndOtherTaxesPayables" xlink:href="ero-20251231.xsd#ero_NonCurrentValueAddedTaxAndOtherTaxesPayables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_NonCurrentValueAddedTaxAndOtherTaxesPayables" xlink:to="lab_ero_NonCurrentValueAddedTaxAndOtherTaxesPayables" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_ProceedsFromBorrowingNetOfFinancingCosts_019b6a75-7640-7e58-9162-7461e8e4d769_terseLabel_en-US" xlink:label="lab_ero_ProceedsFromBorrowingNetOfFinancingCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from borrowing, net</link:label>
    <link:label id="lab_ero_ProceedsFromBorrowingNetOfFinancingCosts_label_en-US" xlink:label="lab_ero_ProceedsFromBorrowingNetOfFinancingCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds From Borrowing, Net Of Financing Costs</link:label>
    <link:label id="lab_ero_ProceedsFromBorrowingNetOfFinancingCosts_documentation_en-US" xlink:label="lab_ero_ProceedsFromBorrowingNetOfFinancingCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Proceeds From Borrowing, Net Of Financing Costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_ProceedsFromBorrowingNetOfFinancingCosts" xlink:href="ero-20251231.xsd#ero_ProceedsFromBorrowingNetOfFinancingCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_ProceedsFromBorrowingNetOfFinancingCosts" xlink:to="lab_ero_ProceedsFromBorrowingNetOfFinancingCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019_019b6a75-7640-7016-aa76-3e0af1044601_periodStartLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Weighted Average Exercise Price, Outstanding, beginning of period (in usd per share)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019_019b6a75-7640-7f36-84a8-a35eb8e1100c_periodEndLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Weighted Average Exercise Price, Outstanding, end of period (in usd per share)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019_019b6a75-7640-7100-9fb3-0e3a4595cad5_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted Exercise Price (in dollars per share)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average exercise price of share options outstanding in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" xlink:to="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SegmentsDomain_019b6a75-7640-7686-8b35-20617bd09c54_terseLabel_en-US" xlink:label="lab_ifrs-full_SegmentsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segments [domain]</link:label>
    <link:label id="lab_ifrs-full_SegmentsDomain_label_en-US" xlink:label="lab_ifrs-full_SegmentsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segments [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SegmentsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SegmentsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SegmentsDomain" xlink:to="lab_ifrs-full_SegmentsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AssetsAbstract_019b6a75-7640-74c7-bfca-1b995f3e8880_terseLabel_en-US" xlink:label="lab_ifrs-full_AssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ASSETS</link:label>
    <link:label id="lab_ifrs-full_AssetsAbstract_019b6a75-7640-7b4f-a58c-63814c79a4d5_netLabel_en-US" xlink:label="lab_ifrs-full_AssetsAbstract" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US">Assets</link:label>
    <link:label id="lab_ifrs-full_AssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_AssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AssetsAbstract" xlink:to="lab_ifrs-full_AssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_IcfrAuditorAttestationFlag_019b6a75-7640-7387-95f5-2494bc6a0f06_terseLabel_en-US" xlink:label="lab_dei_IcfrAuditorAttestationFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ICFR Auditor Attestation Flag</link:label>
    <link:label id="lab_dei_IcfrAuditorAttestationFlag_label_en-US" xlink:label="lab_dei_IcfrAuditorAttestationFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ICFR Auditor Attestation Flag</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_IcfrAuditorAttestationFlag" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_IcfrAuditorAttestationFlag"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_IcfrAuditorAttestationFlag" xlink:to="lab_dei_IcfrAuditorAttestationFlag" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfFinancialPositionAbstract_label_en-US" xlink:label="lab_ifrs-full_StatementOfFinancialPositionAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of financial position [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfFinancialPositionAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_StatementOfFinancialPositionAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfFinancialPositionAbstract" xlink:to="lab_ifrs-full_StatementOfFinancialPositionAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfRevenueExplanatory_019b6a75-76e4-7927-8436-19bbabd442a9_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfRevenueExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfRevenueExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfRevenueExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of revenue [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfRevenueExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfRevenueExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfRevenueExplanatory" xlink:to="lab_ifrs-full_DisclosureOfRevenueExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherNoncurrentLiabilities_019b6a75-76e4-7c86-bc49-9e7621dc29bd_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherNoncurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other non-current liabilities</link:label>
    <link:label id="lab_ifrs-full_OtherNoncurrentLiabilities_019b6a75-76e4-7959-9561-abd3e9da5412_totalLabel_en-US" xlink:label="lab_ifrs-full_OtherNoncurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Other non-current liabilities</link:label>
    <link:label id="lab_ifrs-full_OtherNoncurrentLiabilities_label_en-US" xlink:label="lab_ifrs-full_OtherNoncurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other non-current liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherNoncurrentLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherNoncurrentLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherNoncurrentLiabilities" xlink:to="lab_ifrs-full_OtherNoncurrentLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_XavantinaBrazilMember_019b6a75-76e4-7895-91af-c8d11b4b3c59_terseLabel_en-US" xlink:label="lab_ero_XavantinaBrazilMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Xavantina (Brazil)</link:label>
    <link:label id="lab_ero_XavantinaBrazilMember_label_en-US" xlink:label="lab_ero_XavantinaBrazilMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Xavantina (Brazil) [Member]</link:label>
    <link:label id="lab_ero_XavantinaBrazilMember_documentation_en-US" xlink:label="lab_ero_XavantinaBrazilMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Xavantina (Brazil)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_XavantinaBrazilMember" xlink:href="ero-20251231.xsd#ero_XavantinaBrazilMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_XavantinaBrazilMember" xlink:to="lab_ero_XavantinaBrazilMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComponentsOfEquityAxis_019b6a75-7640-76b4-8d27-7cece6828986_terseLabel_en-US" xlink:label="lab_ifrs-full_ComponentsOfEquityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Components of equity [axis]</link:label>
    <link:label id="lab_ifrs-full_ComponentsOfEquityAxis_label_en-US" xlink:label="lab_ifrs-full_ComponentsOfEquityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Components of equity [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComponentsOfEquityAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComponentsOfEquityAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComponentsOfEquityAxis" xlink:to="lab_ifrs-full_ComponentsOfEquityAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_DepositsAndOtherNonCurrentAssets_019b6a75-76e5-7f19-ad35-05996304364b_terseLabel_en-US" xlink:label="lab_ero_DepositsAndOtherNonCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deposits and other non-current assets</link:label>
    <link:label id="lab_ero_DepositsAndOtherNonCurrentAssets_019b6a75-76e5-7d7a-a51d-a66a5090991f_totalLabel_en-US" xlink:label="lab_ero_DepositsAndOtherNonCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Deposits and other non-current assets</link:label>
    <link:label id="lab_ero_DepositsAndOtherNonCurrentAssets_label_en-US" xlink:label="lab_ero_DepositsAndOtherNonCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deposits And Other Non-Current Assets</link:label>
    <link:label id="lab_ero_DepositsAndOtherNonCurrentAssets_documentation_en-US" xlink:label="lab_ero_DepositsAndOtherNonCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deposits And Other Non-Current Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DepositsAndOtherNonCurrentAssets" xlink:href="ero-20251231.xsd#ero_DepositsAndOtherNonCurrentAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_DepositsAndOtherNonCurrentAssets" xlink:to="lab_ero_DepositsAndOtherNonCurrentAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_ShareBasedPaymentOptionMember_019b6a75-7640-77d0-b57e-20f6cc734daf_terseLabel_en-US" xlink:label="lab_ero_ShareBasedPaymentOptionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock options</link:label>
    <link:label id="lab_ero_ShareBasedPaymentOptionMember_label_en-US" xlink:label="lab_ero_ShareBasedPaymentOptionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-Based Payment-Option [Member]</link:label>
    <link:label id="lab_ero_ShareBasedPaymentOptionMember_documentation_en-US" xlink:label="lab_ero_ShareBasedPaymentOptionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share-Based Payment-Option</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_ShareBasedPaymentOptionMember" xlink:href="ero-20251231.xsd#ero_ShareBasedPaymentOptionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_ShareBasedPaymentOptionMember" xlink:to="lab_ero_ShareBasedPaymentOptionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_DerivativeHedgingInstrumentsLiabilityAtFairValue_019b6a75-76e5-70cc-b663-06df55aecb77_negatedTerseLabel_en-US" xlink:label="lab_ero_DerivativeHedgingInstrumentsLiabilityAtFairValue" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Derivative hedging instruments, liability, at fair value</link:label>
    <link:label id="lab_ero_DerivativeHedgingInstrumentsLiabilityAtFairValue_label_en-US" xlink:label="lab_ero_DerivativeHedgingInstrumentsLiabilityAtFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Hedging Instruments, Liability, At Fair Value</link:label>
    <link:label id="lab_ero_DerivativeHedgingInstrumentsLiabilityAtFairValue_documentation_en-US" xlink:label="lab_ero_DerivativeHedgingInstrumentsLiabilityAtFairValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Derivative Hedging Instruments, Liability, At Fair Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DerivativeHedgingInstrumentsLiabilityAtFairValue" xlink:href="ero-20251231.xsd#ero_DerivativeHedgingInstrumentsLiabilityAtFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_DerivativeHedgingInstrumentsLiabilityAtFairValue" xlink:to="lab_ero_DerivativeHedgingInstrumentsLiabilityAtFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TaxEffectOfForeignTaxRates_019b6a75-7640-79c5-9d5e-0c6a807ebc00_terseLabel_en-US" xlink:label="lab_ifrs-full_TaxEffectOfForeignTaxRates" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Difference in tax rate of foreign jurisdictions</link:label>
    <link:label id="lab_ifrs-full_TaxEffectOfForeignTaxRates_label_en-US" xlink:label="lab_ifrs-full_TaxEffectOfForeignTaxRates" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax effect of foreign tax rates</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TaxEffectOfForeignTaxRates" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TaxEffectOfForeignTaxRates"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TaxEffectOfForeignTaxRates" xlink:to="lab_ifrs-full_TaxEffectOfForeignTaxRates" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories_019b6a75-7640-7fee-b939-9681dd5822b6_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventories</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for decrease (increase) in inventories</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInInventories"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:to="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressesTable_019b6a75-7640-7ac1-a00a-169e16b32257_verboseLabel_en-US" xlink:label="lab_dei_EntityAddressesTable" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Entity Addresses [Table]</link:label>
    <link:label id="lab_dei_EntityAddressesTable_label_en-US" xlink:label="lab_dei_EntityAddressesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Addresses [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressesTable" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressesTable" xlink:to="lab_dei_EntityAddressesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeferredTaxLiabilities_019b6a75-76e4-7923-a47d-b92900af2dea_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Deferred income tax liabilities</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxLiabilities_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred tax liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DeferredTaxLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxLiabilities" xlink:to="lab_ifrs-full_DeferredTaxLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_BrazilianInterbankDepositRateCDIMember_019b6a75-7640-76d6-8008-54ef58ee8fa7_terseLabel_en-US" xlink:label="lab_ero_BrazilianInterbankDepositRateCDIMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Brazilian Interbank Deposit Rate (CDI)</link:label>
    <link:label id="lab_ero_BrazilianInterbankDepositRateCDIMember_label_en-US" xlink:label="lab_ero_BrazilianInterbankDepositRateCDIMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Brazilian Interbank Deposit Rate (CDI) [Member]</link:label>
    <link:label id="lab_ero_BrazilianInterbankDepositRateCDIMember_documentation_en-US" xlink:label="lab_ero_BrazilianInterbankDepositRateCDIMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Brazilian Interbank Deposit Rate (CDI)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_BrazilianInterbankDepositRateCDIMember" xlink:href="ero-20251231.xsd#ero_BrazilianInterbankDepositRateCDIMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_BrazilianInterbankDepositRateCDIMember" xlink:to="lab_ero_BrazilianInterbankDepositRateCDIMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain_019b6a75-7640-7d6c-9bb9-b62a4ee406f4_terseLabel_en-US" xlink:label="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Temporary difference, unused tax losses and unused tax credits [domain]</link:label>
    <link:label id="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain_label_en-US" xlink:label="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Temporary difference, unused tax losses and unused tax credits [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" xlink:to="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityDomain_019b6a75-76e4-7223-bd50-807008d70cb2_terseLabel_en-US" xlink:label="lab_dei_EntityDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity [Domain]</link:label>
    <link:label id="lab_dei_EntityDomain_label_en-US" xlink:label="lab_dei_EntityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityDomain" xlink:to="lab_dei_EntityDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_CashAndCashEquivalentsIFRSMember_019b6a75-7640-7c4d-936f-fdd8ba29bca6_verboseLabel_en-US" xlink:label="lab_ero_CashAndCashEquivalentsIFRSMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:label id="lab_ero_CashAndCashEquivalentsIFRSMember_label_en-US" xlink:label="lab_ero_CashAndCashEquivalentsIFRSMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash And Cash Equivalents IFRS [Member]</link:label>
    <link:label id="lab_ero_CashAndCashEquivalentsIFRSMember_documentation_en-US" xlink:label="lab_ero_CashAndCashEquivalentsIFRSMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cash And Cash Equivalents IFRS</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_CashAndCashEquivalentsIFRSMember" xlink:href="ero-20251231.xsd#ero_CashAndCashEquivalentsIFRSMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_CashAndCashEquivalentsIFRSMember" xlink:to="lab_ero_CashAndCashEquivalentsIFRSMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_CashPaymentsForFuturesContractsForwardContractsOptionContractsAndSwapContractsClassifiedAsOperatingActivities_019b6a75-76e4-7eb9-8d75-f679c9c19551_negatedTerseLabel_en-US" xlink:label="lab_ero_CashPaymentsForFuturesContractsForwardContractsOptionContractsAndSwapContractsClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Derivative contract settlements</link:label>
    <link:label id="lab_ero_CashPaymentsForFuturesContractsForwardContractsOptionContractsAndSwapContractsClassifiedAsOperatingActivities_label_en-US" xlink:label="lab_ero_CashPaymentsForFuturesContractsForwardContractsOptionContractsAndSwapContractsClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Payments For Futures Contracts, Forward Contracts, Option Contracts And Swap Contracts, Classified As Operating Activities</link:label>
    <link:label id="lab_ero_CashPaymentsForFuturesContractsForwardContractsOptionContractsAndSwapContractsClassifiedAsOperatingActivities_documentation_en-US" xlink:label="lab_ero_CashPaymentsForFuturesContractsForwardContractsOptionContractsAndSwapContractsClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cash Payments For Futures Contracts, Forward Contracts, Option Contracts And Swap Contracts, Classified As Operating Activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_CashPaymentsForFuturesContractsForwardContractsOptionContractsAndSwapContractsClassifiedAsOperatingActivities" xlink:href="ero-20251231.xsd#ero_CashPaymentsForFuturesContractsForwardContractsOptionContractsAndSwapContractsClassifiedAsOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_CashPaymentsForFuturesContractsForwardContractsOptionContractsAndSwapContractsClassifiedAsOperatingActivities" xlink:to="lab_ero_CashPaymentsForFuturesContractsForwardContractsOptionContractsAndSwapContractsClassifiedAsOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_GainsLossesOnFinancialInstrumentsAtFairValueThroughProfitOrLoss_019b6a75-76e4-71a1-8e94-2b8b7a1a4669_terseLabel_en-US" xlink:label="lab_ero_GainsLossesOnFinancialInstrumentsAtFairValueThroughProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Realized foreign exchange gain (loss) on derivative contracts (note 23)</link:label>
    <link:label id="lab_ero_GainsLossesOnFinancialInstrumentsAtFairValueThroughProfitOrLoss_019b6a75-76e4-75aa-be2d-a4b92b701aa5_verboseLabel_en-US" xlink:label="lab_ero_GainsLossesOnFinancialInstrumentsAtFairValueThroughProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Realized loss related to settlement</link:label>
    <link:label id="lab_ero_GainsLossesOnFinancialInstrumentsAtFairValueThroughProfitOrLoss_label_en-US" xlink:label="lab_ero_GainsLossesOnFinancialInstrumentsAtFairValueThroughProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (Losses) On Financial Instruments At Fair Value Through Profit Or Loss</link:label>
    <link:label id="lab_ero_GainsLossesOnFinancialInstrumentsAtFairValueThroughProfitOrLoss_documentation_en-US" xlink:label="lab_ero_GainsLossesOnFinancialInstrumentsAtFairValueThroughProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Gains (Losses) On Financial Instruments At Fair Value Through Profit Or Loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_GainsLossesOnFinancialInstrumentsAtFairValueThroughProfitOrLoss" xlink:href="ero-20251231.xsd#ero_GainsLossesOnFinancialInstrumentsAtFairValueThroughProfitOrLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_GainsLossesOnFinancialInstrumentsAtFairValueThroughProfitOrLoss" xlink:to="lab_ero_GainsLossesOnFinancialInstrumentsAtFairValueThroughProfitOrLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_OtherFinanceCostGainLossOnFairValueAdjustmentsOfAccountsReceivable_019b6a75-7640-7b3d-b0df-d3b5abb01fb9_terseLabel_en-US" xlink:label="lab_ero_OtherFinanceCostGainLossOnFairValueAdjustmentsOfAccountsReceivable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other finance expense, loss on fair value adjustments of accounts receivable</link:label>
    <link:label id="lab_ero_OtherFinanceCostGainLossOnFairValueAdjustmentsOfAccountsReceivable_label_en-US" xlink:label="lab_ero_OtherFinanceCostGainLossOnFairValueAdjustmentsOfAccountsReceivable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Finance Cost, Gain (Loss) on Fair Value Adjustments Of Accounts Receivable</link:label>
    <link:label id="lab_ero_OtherFinanceCostGainLossOnFairValueAdjustmentsOfAccountsReceivable_documentation_en-US" xlink:label="lab_ero_OtherFinanceCostGainLossOnFairValueAdjustmentsOfAccountsReceivable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Finance Cost, Gain (Loss) on Fair Value Adjustments Of Accounts Receivable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_OtherFinanceCostGainLossOnFairValueAdjustmentsOfAccountsReceivable" xlink:href="ero-20251231.xsd#ero_OtherFinanceCostGainLossOnFairValueAdjustmentsOfAccountsReceivable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_OtherFinanceCostGainLossOnFairValueAdjustmentsOfAccountsReceivable" xlink:to="lab_ero_OtherFinanceCostGainLossOnFairValueAdjustmentsOfAccountsReceivable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement_019b6a75-7640-79e9-bad4-56c0a33ac692_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of Stock Options Issued (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement_label_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of share options granted in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:to="lab_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_019b6a75-7640-7560-9082-e4c46532d9e0_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based compensation</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_019b6a75-7640-7a71-a5d0-31bd72482a2c_verboseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Share-based compensation in contributed surplus</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through share-based payment transactions, equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities_019b6a75-7640-7004-95e8-e0ab18568264_totalLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Cash flows from operating activities</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) operating activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_UnobservableInputsAxis_019b6a75-7640-7fbf-894a-17da91933dcc_terseLabel_en-US" xlink:label="lab_ifrs-full_UnobservableInputsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unobservable inputs [axis]</link:label>
    <link:label id="lab_ifrs-full_UnobservableInputsAxis_label_en-US" xlink:label="lab_ifrs-full_UnobservableInputsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unobservable inputs [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UnobservableInputsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_UnobservableInputsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UnobservableInputsAxis" xlink:to="lab_ifrs-full_UnobservableInputsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherTemporaryDifferencesMember_019b6a75-7640-7353-8d24-21489491669f_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other(1)</link:label>
    <link:label id="lab_ifrs-full_OtherTemporaryDifferencesMember_label_en-US" xlink:label="lab_ifrs-full_OtherTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other temporary differences [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherTemporaryDifferencesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherTemporaryDifferencesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherTemporaryDifferencesMember" xlink:to="lab_ifrs-full_OtherTemporaryDifferencesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MarketsOfCustomersAxis_019ca4ae-ed6b-773c-a11c-f80a8e93ad4a_terseLabel_en-US" xlink:label="lab_ifrs-full_MarketsOfCustomersAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Markets of customers [axis]</link:label>
    <link:label id="lab_ifrs-full_MarketsOfCustomersAxis_label_en-US" xlink:label="lab_ifrs-full_MarketsOfCustomersAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Markets of customers [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MarketsOfCustomersAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MarketsOfCustomersAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MarketsOfCustomersAxis" xlink:to="lab_ifrs-full_MarketsOfCustomersAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_IncentivePayments_019b6a75-7640-7241-b9c7-7329dd52fa68_terseLabel_en-US" xlink:label="lab_ero_IncentivePayments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Incentive payments</link:label>
    <link:label id="lab_ero_IncentivePayments_label_en-US" xlink:label="lab_ero_IncentivePayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Incentive Payments</link:label>
    <link:label id="lab_ero_IncentivePayments_documentation_en-US" xlink:label="lab_ero_IncentivePayments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Incentive Payments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_IncentivePayments" xlink:href="ero-20251231.xsd#ero_IncentivePayments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_IncentivePayments" xlink:to="lab_ero_IncentivePayments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract_019b6a75-7640-7252-80e1-b109ca1dde05_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjustments for:</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments to reconcile profit (loss) [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForReconcileProfitLossAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:to="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis_019b6a75-7640-77bc-920f-012c07823876_terseLabel_en-US" xlink:label="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-adjusting events after reporting period [axis]</link:label>
    <link:label id="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis_label_en-US" xlink:label="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-adjusting events after reporting period [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NonadjustingEventsAfterReportingPeriodAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:to="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTableTextBlock_019b6a75-7640-76dc-8bae-c876d23e0338_terseLabel_en-US" xlink:label="lab_ero_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of maturity analysis for derivative financial liabilities</link:label>
    <link:label id="lab_ero_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTableTextBlock_label_en-US" xlink:label="lab_ero_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of maturity analysis for derivative financial liabilities [Table Text Block]</link:label>
    <link:label id="lab_ero_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTableTextBlock_documentation_en-US" xlink:label="lab_ero_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of maturity analysis for derivative financial liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTableTextBlock" xlink:href="ero-20251231.xsd#ero_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTableTextBlock" xlink:to="lab_ero_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted_019b6a75-7640-7df0-a017-4f1fb56c8ae2_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Volatility (as a percent)</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected volatility, share options granted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:to="lab_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentTradeReceivables_019b6a75-7640-7fe0-85c4-b202f7baff7f_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTradeReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade receivables</link:label>
    <link:label id="lab_ifrs-full_CurrentTradeReceivables_label_en-US" xlink:label="lab_ifrs-full_CurrentTradeReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current trade receivables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTradeReceivables" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentTradeReceivables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTradeReceivables" xlink:to="lab_ifrs-full_CurrentTradeReceivables" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable_019b6a75-7640-7214-9de7-a9a5a7ad1119_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of classes of share capital [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of classes of share capital [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:to="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_NumberOfSharesIssuedNewIssues_019b6a75-76e4-7c4c-bbab-923ac448e474_terseLabel_en-US" xlink:label="lab_ero_NumberOfSharesIssuedNewIssues" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of shares issued (in shares)</link:label>
    <link:label id="lab_ero_NumberOfSharesIssuedNewIssues_label_en-US" xlink:label="lab_ero_NumberOfSharesIssuedNewIssues" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Shares, Issued, New Issues</link:label>
    <link:label id="lab_ero_NumberOfSharesIssuedNewIssues_documentation_en-US" xlink:label="lab_ero_NumberOfSharesIssuedNewIssues" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of Shares, Issued, New Issues</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_NumberOfSharesIssuedNewIssues" xlink:href="ero-20251231.xsd#ero_NumberOfSharesIssuedNewIssues"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_NumberOfSharesIssuedNewIssues" xlink:to="lab_ero_NumberOfSharesIssuedNewIssues" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariable10Percent_019b6a75-7640-7fa5-a2cc-97c5f64f589d_terseLabel_en-US" xlink:label="lab_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariable10Percent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">10 percent change on currency</link:label>
    <link:label id="lab_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariable10Percent_label_en-US" xlink:label="lab_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariable10Percent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, 10 Percent</link:label>
    <link:label id="lab_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariable10Percent_documentation_en-US" xlink:label="lab_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariable10Percent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, 10 Percent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariable10Percent" xlink:href="ero-20251231.xsd#ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariable10Percent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariable10Percent" xlink:to="lab_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariable10Percent" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfessionalFeesExpense_019b6a75-7640-7f36-a117-ef76c8e98893_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfessionalFeesExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounting and legal</link:label>
    <link:label id="lab_ifrs-full_ProfessionalFeesExpense_label_en-US" xlink:label="lab_ifrs-full_ProfessionalFeesExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Professional fees expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfessionalFeesExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfessionalFeesExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfessionalFeesExpense" xlink:to="lab_ifrs-full_ProfessionalFeesExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_ContactPersonnelName_019b6a75-76e5-799a-abe6-cbdf560e72b0_terseLabel_en-US" xlink:label="lab_dei_ContactPersonnelName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contact Personnel Name</link:label>
    <link:label id="lab_dei_ContactPersonnelName_label_en-US" xlink:label="lab_dei_ContactPersonnelName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contact Personnel Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_ContactPersonnelName" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_ContactPersonnelName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_ContactPersonnelName" xlink:to="lab_dei_ContactPersonnelName" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentPrepaymentsAndOtherCurrentAssets_019b6a75-76e4-7126-b19c-084466f271d3_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentPrepaymentsAndOtherCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other current assets</link:label>
    <link:label id="lab_ifrs-full_CurrentPrepaymentsAndOtherCurrentAssets_019b6a75-76e4-7d3d-8cd3-648da44c1922_totalLabel_en-US" xlink:label="lab_ifrs-full_CurrentPrepaymentsAndOtherCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Other current assets</link:label>
    <link:label id="lab_ifrs-full_CurrentPrepaymentsAndOtherCurrentAssets_label_en-US" xlink:label="lab_ifrs-full_CurrentPrepaymentsAndOtherCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current prepayments and other current assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentPrepaymentsAndOtherCurrentAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentPrepaymentsAndOtherCurrentAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentPrepaymentsAndOtherCurrentAssets" xlink:to="lab_ifrs-full_CurrentPrepaymentsAndOtherCurrentAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DerivativesMember_019b6a75-76e4-79cf-9fd4-94c181042280_terseLabel_en-US" xlink:label="lab_ifrs-full_DerivativesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivatives</link:label>
    <link:label id="lab_ifrs-full_DerivativesMember_label_en-US" xlink:label="lab_ifrs-full_DerivativesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivatives [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DerivativesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DerivativesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DerivativesMember" xlink:to="lab_ifrs-full_DerivativesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Liabilities_019b6a75-76e4-7cac-890b-001a4f116fe4_totalLabel_en-US" xlink:label="lab_ifrs-full_Liabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total Liabilities</link:label>
    <link:label id="lab_ifrs-full_Liabilities_019b6a75-76e4-7dc2-ad22-efedb56f9984_terseLabel_en-US" xlink:label="lab_ifrs-full_Liabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total Liabilities</link:label>
    <link:label id="lab_ifrs-full_Liabilities_label_en-US" xlink:label="lab_ifrs-full_Liabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Liabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Liabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Liabilities" xlink:to="lab_ifrs-full_Liabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory_019b6a75-7640-70bc-818c-6aac61af8211_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Instruments</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of financial instruments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsAtAmortisedCost_019b6a75-76e4-7c98-9c08-f2c76de3010b_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtAmortisedCost" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets at amortised cost</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtAmortisedCost_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtAmortisedCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets at amortised cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsAtAmortisedCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialAssetsAtAmortisedCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtAmortisedCost" xlink:to="lab_ifrs-full_FinancialAssetsAtAmortisedCost" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory_019b6a75-7640-714f-8f7b-bb35d2affcc4_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital Management</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of objectives, policies and processes for managing capital [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory" xlink:to="lab_ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_BorrowingsMonthlyPaymentCopperQuantity_019b6a75-76e5-74e6-a021-531f1070af4b_terseLabel_en-US" xlink:label="lab_ero_BorrowingsMonthlyPaymentCopperQuantity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Monthly installment, copper</link:label>
    <link:label id="lab_ero_BorrowingsMonthlyPaymentCopperQuantity_label_en-US" xlink:label="lab_ero_BorrowingsMonthlyPaymentCopperQuantity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings, Monthly Payment, Copper, Quantity</link:label>
    <link:label id="lab_ero_BorrowingsMonthlyPaymentCopperQuantity_documentation_en-US" xlink:label="lab_ero_BorrowingsMonthlyPaymentCopperQuantity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowings, Monthly Payment, Copper, Quantity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_BorrowingsMonthlyPaymentCopperQuantity" xlink:href="ero-20251231.xsd#ero_BorrowingsMonthlyPaymentCopperQuantity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_BorrowingsMonthlyPaymentCopperQuantity" xlink:to="lab_ero_BorrowingsMonthlyPaymentCopperQuantity" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AccumulatedOtherComprehensiveIncomeMember_019b6a75-76e5-73f2-a301-4905e7b42b2a_terseLabel_en-US" xlink:label="lab_ifrs-full_AccumulatedOtherComprehensiveIncomeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity Reserves, Foreign Exchange</link:label>
    <link:label id="lab_ifrs-full_AccumulatedOtherComprehensiveIncomeMember_label_en-US" xlink:label="lab_ifrs-full_AccumulatedOtherComprehensiveIncomeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated other comprehensive income [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AccumulatedOtherComprehensiveIncomeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AccumulatedOtherComprehensiveIncomeMember" xlink:to="lab_ifrs-full_AccumulatedOtherComprehensiveIncomeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanFiveYearsMember_019b6a75-7640-7d71-a84b-93a08be3739e_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">More than 5 years</link:label>
    <link:label id="lab_ifrs-full_LaterThanFiveYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than five years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanFiveYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LaterThanFiveYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanFiveYearsMember" xlink:to="lab_ifrs-full_LaterThanFiveYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_RevenueAverageCashConsideration_019b6a75-7640-7525-acbb-f58143ef2a23_terseLabel_en-US" xlink:label="lab_ero_RevenueAverageCashConsideration" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Average cash consideration (in usd per ounce)</link:label>
    <link:label id="lab_ero_RevenueAverageCashConsideration_label_en-US" xlink:label="lab_ero_RevenueAverageCashConsideration" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue, Average Cash Consideration</link:label>
    <link:label id="lab_ero_RevenueAverageCashConsideration_documentation_en-US" xlink:label="lab_ero_RevenueAverageCashConsideration" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Revenue, Average Cash Consideration</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_RevenueAverageCashConsideration" xlink:href="ero-20251231.xsd#ero_RevenueAverageCashConsideration"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_RevenueAverageCashConsideration" xlink:to="lab_ero_RevenueAverageCashConsideration" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressesLineItems_019b6a75-76e4-7084-9c32-9f362cc2befd_verboseLabel_en-US" xlink:label="lab_dei_EntityAddressesLineItems" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Entity Addresses [Line Items]</link:label>
    <link:label id="lab_dei_EntityAddressesLineItems_label_en-US" xlink:label="lab_dei_EntityAddressesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Addresses [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressesLineItems" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressesLineItems" xlink:to="lab_dei_EntityAddressesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentFiscalPeriodFocus_019b6a75-76e4-745a-ae05-01b535430467_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Fiscal Period Focus</link:label>
    <link:label id="lab_dei_DocumentFiscalPeriodFocus_label_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Fiscal Period Focus</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentFiscalPeriodFocus"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalPeriodFocus" xlink:to="lab_dei_DocumentFiscalPeriodFocus" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_FeasibilityStudyCompletionPhase2Period_019b6a75-7640-7c4c-8197-f06019717d1d_terseLabel_en-US" xlink:label="lab_ero_FeasibilityStudyCompletionPhase2Period" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Feasibility Study Completion Phase 2, Period</link:label>
    <link:label id="lab_ero_FeasibilityStudyCompletionPhase2Period_label_en-US" xlink:label="lab_ero_FeasibilityStudyCompletionPhase2Period" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Feasibility Study Completion Phase 2, Period</link:label>
    <link:label id="lab_ero_FeasibilityStudyCompletionPhase2Period_documentation_en-US" xlink:label="lab_ero_FeasibilityStudyCompletionPhase2Period" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Feasibility Study Completion Phase 2, Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_FeasibilityStudyCompletionPhase2Period" xlink:href="ero-20251231.xsd#ero_FeasibilityStudyCompletionPhase2Period"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_FeasibilityStudyCompletionPhase2Period" xlink:to="lab_ero_FeasibilityStudyCompletionPhase2Period" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_InstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareDomain_019b6a75-7640-7da3-85ac-081a6d85dc9d_terseLabel_en-US" xlink:label="lab_ero_InstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Instruments With Potential Future Dilutive Effect Not Included In Calculation Of Diluted Earnings Per Share [Domain]</link:label>
    <link:label id="lab_ero_InstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareDomain_label_en-US" xlink:label="lab_ero_InstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Instruments With Potential Future Dilutive Effect Not Included In Calculation Of Diluted Earnings Per Share [Domain]</link:label>
    <link:label id="lab_ero_InstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareDomain_documentation_en-US" xlink:label="lab_ero_InstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Instruments With Potential Future Dilutive Effect Not Included In Calculation Of Diluted Earnings Per Share [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_InstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareDomain" xlink:href="ero-20251231.xsd#ero_InstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_InstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareDomain" xlink:to="lab_ero_InstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GrossCarryingAmountMember_019b6a75-7640-7d71-b81b-ccd20f929881_verboseLabel_en-US" xlink:label="lab_ifrs-full_GrossCarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cost</link:label>
    <link:label id="lab_ifrs-full_GrossCarryingAmountMember_019b6a75-7640-7359-9286-14ba5856443c_terseLabel_en-US" xlink:label="lab_ifrs-full_GrossCarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Carrying amount</link:label>
    <link:label id="lab_ifrs-full_GrossCarryingAmountMember_label_en-US" xlink:label="lab_ifrs-full_GrossCarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gross carrying amount [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GrossCarryingAmountMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GrossCarryingAmountMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GrossCarryingAmountMember" xlink:to="lab_ifrs-full_GrossCarryingAmountMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_EffectiveInterestRateMember_019b6a75-7640-7755-b30e-b246e2945333_terseLabel_en-US" xlink:label="lab_ero_EffectiveInterestRateMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effective interest rate</link:label>
    <link:label id="lab_ero_EffectiveInterestRateMember_label_en-US" xlink:label="lab_ero_EffectiveInterestRateMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effective Interest Rate [Member]</link:label>
    <link:label id="lab_ero_EffectiveInterestRateMember_documentation_en-US" xlink:label="lab_ero_EffectiveInterestRateMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Effective Interest Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_EffectiveInterestRateMember" xlink:href="ero-20251231.xsd#ero_EffectiveInterestRateMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_EffectiveInterestRateMember" xlink:to="lab_ero_EffectiveInterestRateMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentType_019b6a75-7640-7a8b-be56-e1dcf132315d_terseLabel_en-US" xlink:label="lab_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Type</link:label>
    <link:label id="lab_dei_DocumentType_label_en-US" xlink:label="lab_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Type</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentType"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentType" xlink:to="lab_dei_DocumentType" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_CurrentIncomeTaxReceivable_019b6a75-7640-72c3-b002-8e87443ffafe_terseLabel_en-US" xlink:label="lab_ero_CurrentIncomeTaxReceivable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income tax receivable</link:label>
    <link:label id="lab_ero_CurrentIncomeTaxReceivable_label_en-US" xlink:label="lab_ero_CurrentIncomeTaxReceivable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Income Tax Receivable</link:label>
    <link:label id="lab_ero_CurrentIncomeTaxReceivable_documentation_en-US" xlink:label="lab_ero_CurrentIncomeTaxReceivable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Current Income Tax Receivable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_CurrentIncomeTaxReceivable" xlink:href="ero-20251231.xsd#ero_CurrentIncomeTaxReceivable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_CurrentIncomeTaxReceivable" xlink:to="lab_ero_CurrentIncomeTaxReceivable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems_019b6a75-7640-7fdb-87a9-daa9ae1ceea8_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:to="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCost_019b6a75-7640-77ef-b551-f55216a110e7_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCost" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Carrying value</link:label>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCost_label_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial liabilities at amortised cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialLiabilitiesAtAmortisedCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialLiabilitiesAtAmortisedCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialLiabilitiesAtAmortisedCost" xlink:to="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCost" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentAnnualReport_019b6a75-7640-7dab-94ee-4d7717674146_terseLabel_en-US" xlink:label="lab_dei_DocumentAnnualReport" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Annual Report</link:label>
    <link:label id="lab_dei_DocumentAnnualReport_label_en-US" xlink:label="lab_dei_DocumentAnnualReport" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Annual Report</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentAnnualReport" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentAnnualReport"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentAnnualReport" xlink:to="lab_dei_DocumentAnnualReport" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_ForeignExchangeCollarContractsMember_019b6a75-76e4-7f3b-8296-042f8a69a134_terseLabel_en-US" xlink:label="lab_ero_ForeignExchangeCollarContractsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign exchange collar contracts</link:label>
    <link:label id="lab_ero_ForeignExchangeCollarContractsMember_label_en-US" xlink:label="lab_ero_ForeignExchangeCollarContractsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Exchange Collar Contracts [Member]</link:label>
    <link:label id="lab_ero_ForeignExchangeCollarContractsMember_documentation_en-US" xlink:label="lab_ero_ForeignExchangeCollarContractsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Foreign Exchange Collar Contracts</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_ForeignExchangeCollarContractsMember" xlink:href="ero-20251231.xsd#ero_ForeignExchangeCollarContractsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_ForeignExchangeCollarContractsMember" xlink:to="lab_ero_ForeignExchangeCollarContractsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_RevenueFromContractsWithCustomerQuantitySold_019b6a75-76e4-7db9-af62-04667ecca3fa_terseLabel_en-US" xlink:label="lab_ero_RevenueFromContractsWithCustomerQuantitySold" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Quantity delivered (in ounce)</link:label>
    <link:label id="lab_ero_RevenueFromContractsWithCustomerQuantitySold_label_en-US" xlink:label="lab_ero_RevenueFromContractsWithCustomerQuantitySold" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue From Contracts With Customer, Quantity Sold</link:label>
    <link:label id="lab_ero_RevenueFromContractsWithCustomerQuantitySold_documentation_en-US" xlink:label="lab_ero_RevenueFromContractsWithCustomerQuantitySold" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Revenue From Contracts With Customer, Quantity Sold</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_RevenueFromContractsWithCustomerQuantitySold" xlink:href="ero-20251231.xsd#ero_RevenueFromContractsWithCustomerQuantitySold"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_RevenueFromContractsWithCustomerQuantitySold" xlink:to="lab_ero_RevenueFromContractsWithCustomerQuantitySold" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_RevenueFinalSalesPricePeriodAfterShipment_019b6a75-76e4-7239-87ca-d07d171e7ee4_terseLabel_en-US" xlink:label="lab_ero_RevenueFinalSalesPricePeriodAfterShipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Final sales price, period after shipment</link:label>
    <link:label id="lab_ero_RevenueFinalSalesPricePeriodAfterShipment_label_en-US" xlink:label="lab_ero_RevenueFinalSalesPricePeriodAfterShipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue, Final Sales Price, Period After Shipment</link:label>
    <link:label id="lab_ero_RevenueFinalSalesPricePeriodAfterShipment_documentation_en-US" xlink:label="lab_ero_RevenueFinalSalesPricePeriodAfterShipment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Revenue, Final Sales Price, Period After Shipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_RevenueFinalSalesPricePeriodAfterShipment" xlink:href="ero-20251231.xsd#ero_RevenueFinalSalesPricePeriodAfterShipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_RevenueFinalSalesPricePeriodAfterShipment" xlink:to="lab_ero_RevenueFinalSalesPricePeriodAfterShipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_CostOfSalesWagesAndSalaries_019b6a75-76e4-7493-bd1b-7fa267846a94_terseLabel_en-US" xlink:label="lab_ero_CostOfSalesWagesAndSalaries" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Salaries and benefits</link:label>
    <link:label id="lab_ero_CostOfSalesWagesAndSalaries_label_en-US" xlink:label="lab_ero_CostOfSalesWagesAndSalaries" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost Of Sales, Wages And Salaries</link:label>
    <link:label id="lab_ero_CostOfSalesWagesAndSalaries_documentation_en-US" xlink:label="lab_ero_CostOfSalesWagesAndSalaries" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cost Of Sales, Wages And Salaries</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_CostOfSalesWagesAndSalaries" xlink:href="ero-20251231.xsd#ero_CostOfSalesWagesAndSalaries"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_CostOfSalesWagesAndSalaries" xlink:to="lab_ero_CostOfSalesWagesAndSalaries" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_MaximumMember_019b6a75-76e4-71f4-8a09-7651381d736b_terseLabel_en-US" xlink:label="lab_srt_MaximumMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum</link:label>
    <link:label id="lab_srt_MaximumMember_label_en-US" xlink:label="lab_srt_MaximumMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MaximumMember" xlink:to="lab_srt_MaximumMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_OtherNonCurrentMiscellaneousLiabilities_019b6a75-76e5-7322-a001-5fe5ef7e03be_terseLabel_en-US" xlink:label="lab_ero_OtherNonCurrentMiscellaneousLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other liabilities</link:label>
    <link:label id="lab_ero_OtherNonCurrentMiscellaneousLiabilities_label_en-US" xlink:label="lab_ero_OtherNonCurrentMiscellaneousLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Non-Current Miscellaneous Liabilities</link:label>
    <link:label id="lab_ero_OtherNonCurrentMiscellaneousLiabilities_documentation_en-US" xlink:label="lab_ero_OtherNonCurrentMiscellaneousLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Non-Current Miscellaneous Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_OtherNonCurrentMiscellaneousLiabilities" xlink:href="ero-20251231.xsd#ero_OtherNonCurrentMiscellaneousLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_OtherNonCurrentMiscellaneousLiabilities" xlink:to="lab_ero_OtherNonCurrentMiscellaneousLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SegmentConsolidationItemsAxis_019b6a75-76e5-72b7-ac5b-2765c7e26a7e_terseLabel_en-US" xlink:label="lab_ifrs-full_SegmentConsolidationItemsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment consolidation items [axis]</link:label>
    <link:label id="lab_ifrs-full_SegmentConsolidationItemsAxis_label_en-US" xlink:label="lab_ifrs-full_SegmentConsolidationItemsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment consolidation items [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SegmentConsolidationItemsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SegmentConsolidationItemsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SegmentConsolidationItemsAxis" xlink:to="lab_ifrs-full_SegmentConsolidationItemsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable_019b6a75-7640-7648-89cf-9dc68610c021_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:to="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestRateRiskMember_019b6a75-76e4-7561-8270-8cb2e6c8095c_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestRateRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest rate risk</link:label>
    <link:label id="lab_ifrs-full_InterestRateRiskMember_label_en-US" xlink:label="lab_ifrs-full_InterestRateRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest rate risk [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestRateRiskMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestRateRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestRateRiskMember" xlink:to="lab_ifrs-full_InterestRateRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_DeferredShareUnitsMember_019b6a75-7640-7f0c-b1c6-700bf9a32c52_terseLabel_en-US" xlink:label="lab_ero_DeferredShareUnitsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred share unit plan</link:label>
    <link:label id="lab_ero_DeferredShareUnitsMember_label_en-US" xlink:label="lab_ero_DeferredShareUnitsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Share Units [Member]</link:label>
    <link:label id="lab_ero_DeferredShareUnitsMember_documentation_en-US" xlink:label="lab_ero_DeferredShareUnitsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred Share Units</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DeferredShareUnitsMember" xlink:href="ero-20251231.xsd#ero_DeferredShareUnitsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_DeferredShareUnitsMember" xlink:to="lab_ero_DeferredShareUnitsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory_019b6a75-7640-7e9c-9fc0-01c42990a2ad_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deposits and Other Non-current Assets</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of other non-current assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfOtherNoncurrentAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BottomOfRangeMember_019b6a75-76e4-7ba5-8ff9-efec416ff41c_terseLabel_en-US" xlink:label="lab_ifrs-full_BottomOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bottom of range</link:label>
    <link:label id="lab_ifrs-full_BottomOfRangeMember_label_en-US" xlink:label="lab_ifrs-full_BottomOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bottom of range [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BottomOfRangeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BottomOfRangeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BottomOfRangeMember" xlink:to="lab_ifrs-full_BottomOfRangeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_AllowanceAccountForCreditLossesOfFinancialAssetsIncreaseDecrease_019b6a75-7640-7a4f-9425-11034f8ffcf1_terseLabel_en-US" xlink:label="lab_ero_AllowanceAccountForCreditLossesOfFinancialAssetsIncreaseDecrease" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Allowance for credit losses of financial assets adjustment</link:label>
    <link:label id="lab_ero_AllowanceAccountForCreditLossesOfFinancialAssetsIncreaseDecrease_label_en-US" xlink:label="lab_ero_AllowanceAccountForCreditLossesOfFinancialAssetsIncreaseDecrease" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Allowance Account For Credit Losses Of Financial Assets Increase (Decrease)</link:label>
    <link:label id="lab_ero_AllowanceAccountForCreditLossesOfFinancialAssetsIncreaseDecrease_documentation_en-US" xlink:label="lab_ero_AllowanceAccountForCreditLossesOfFinancialAssetsIncreaseDecrease" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Allowance Account For Credit Losses Of Financial Assets Increase (Decrease)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_AllowanceAccountForCreditLossesOfFinancialAssetsIncreaseDecrease" xlink:href="ero-20251231.xsd#ero_AllowanceAccountForCreditLossesOfFinancialAssetsIncreaseDecrease"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_AllowanceAccountForCreditLossesOfFinancialAssetsIncreaseDecrease" xlink:to="lab_ero_AllowanceAccountForCreditLossesOfFinancialAssetsIncreaseDecrease" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory_019b6a75-7640-759d-a7c7-0872656b75fe_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mineral, Property, Plant and Equipment</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for property, plant and equipment [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_CurrentFiscalYearEndDate_019b6a75-7640-7f5f-9197-33938191b679_terseLabel_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current Fiscal Year End Date</link:label>
    <link:label id="lab_dei_CurrentFiscalYearEndDate_label_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Fiscal Year End Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_CurrentFiscalYearEndDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CurrentFiscalYearEndDate" xlink:to="lab_dei_CurrentFiscalYearEndDate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences_019b6a75-7640-79da-8501-79071d9ceeac_terseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred income tax: Relating to origination and reversal of temporary differences</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred tax expense (income) relating to origination and reversal of temporary differences</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences" xlink:to="lab_ifrs-full_DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_LiabilitiesFromShareBasedPaymentTransactionsCurrent_019b6a75-7640-726e-80b4-389f2d7c5285_terseLabel_en-US" xlink:label="lab_ero_LiabilitiesFromShareBasedPaymentTransactionsCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash-settled equity awards</link:label>
    <link:label id="lab_ero_LiabilitiesFromShareBasedPaymentTransactionsCurrent_label_en-US" xlink:label="lab_ero_LiabilitiesFromShareBasedPaymentTransactionsCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities From Share-based Payment Transactions, Current</link:label>
    <link:label id="lab_ero_LiabilitiesFromShareBasedPaymentTransactionsCurrent_documentation_en-US" xlink:label="lab_ero_LiabilitiesFromShareBasedPaymentTransactionsCurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Liabilities From Share-based Payment Transactions, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_LiabilitiesFromShareBasedPaymentTransactionsCurrent" xlink:href="ero-20251231.xsd#ero_LiabilitiesFromShareBasedPaymentTransactionsCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_LiabilitiesFromShareBasedPaymentTransactionsCurrent" xlink:to="lab_ero_LiabilitiesFromShareBasedPaymentTransactionsCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForIncomeTaxExpense_019b6a75-76e4-7d50-9fb4-cb9b8349f06f_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncomeTaxExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income tax expense (recovery)</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForIncomeTaxExpense_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncomeTaxExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for income tax expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForIncomeTaxExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForIncomeTaxExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForIncomeTaxExpense" xlink:to="lab_ifrs-full_AdjustmentsForIncomeTaxExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_RangeAxis_019b6a75-76e5-7f00-84b5-93d3bc02c5b3_terseLabel_en-US" xlink:label="lab_srt_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statistical Measurement [Axis]</link:label>
    <link:label id="lab_srt_RangeAxis_label_en-US" xlink:label="lab_srt_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statistical Measurement [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_RangeAxis" xlink:to="lab_srt_RangeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory_019b6a75-7640-713e-8c8c-b056b7229df8_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">General and Administrative Expenses</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of general and administrative expense [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory" xlink:to="lab_ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory_019b6a75-7640-7d30-97a6-e76a4951a811_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment Disclosure</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of entity's operating segments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_TaxExpenseIncomeIncludingIncomeTaxRelatingToComponentsOfOtherComprehensiveIncome_019b6a75-76e4-7bbc-bcbd-975a1701ea6e_totalLabel_en-US" xlink:label="lab_ero_TaxExpenseIncomeIncludingIncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total income tax expense (recovery)</link:label>
    <link:label id="lab_ero_TaxExpenseIncomeIncludingIncomeTaxRelatingToComponentsOfOtherComprehensiveIncome_label_en-US" xlink:label="lab_ero_TaxExpenseIncomeIncludingIncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Expense (Income) Including Income Tax Relating To Components Of Other Comprehensive Income</link:label>
    <link:label id="lab_ero_TaxExpenseIncomeIncludingIncomeTaxRelatingToComponentsOfOtherComprehensiveIncome_documentation_en-US" xlink:label="lab_ero_TaxExpenseIncomeIncludingIncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tax Expense (Income) Including Income Tax Relating To Components Of Other Comprehensive Income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_TaxExpenseIncomeIncludingIncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xlink:href="ero-20251231.xsd#ero_TaxExpenseIncomeIncludingIncomeTaxRelatingToComponentsOfOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_TaxExpenseIncomeIncludingIncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xlink:to="lab_ero_TaxExpenseIncomeIncludingIncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable_019b6a75-7640-7276-9fc1-47b6e6a6e6ad_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of non-adjusting events after reporting period [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of non-adjusting events after reporting period [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable" xlink:to="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_RangeThreeOfExercisePricesForOutstandingShareOptionsMember_019b6a75-76e4-7333-a75a-aa2384875486_terseLabel_en-US" xlink:label="lab_ero_RangeThreeOfExercisePricesForOutstandingShareOptionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">30.01 to 34.58 CAD</link:label>
    <link:label id="lab_ero_RangeThreeOfExercisePricesForOutstandingShareOptionsMember_label_en-US" xlink:label="lab_ero_RangeThreeOfExercisePricesForOutstandingShareOptionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Range three of exercise prices for outstanding share options [Member]</link:label>
    <link:label id="lab_ero_RangeThreeOfExercisePricesForOutstandingShareOptionsMember_documentation_en-US" xlink:label="lab_ero_RangeThreeOfExercisePricesForOutstandingShareOptionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Range three of exercise prices for outstanding share options</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_RangeThreeOfExercisePricesForOutstandingShareOptionsMember" xlink:href="ero-20251231.xsd#ero_RangeThreeOfExercisePricesForOutstandingShareOptionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_RangeThreeOfExercisePricesForOutstandingShareOptionsMember" xlink:to="lab_ero_RangeThreeOfExercisePricesForOutstandingShareOptionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfLiabilitiesAxis_019b6a75-7640-7e93-a37a-5200afaebaa4_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of liabilities [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfLiabilitiesAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of liabilities [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfLiabilitiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfLiabilitiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfLiabilitiesAxis" xlink:to="lab_ifrs-full_ClassesOfLiabilitiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinanceIncome_019b6a75-76e4-7143-952a-0c0c507e1cff_terseLabel_en-US" xlink:label="lab_ifrs-full_FinanceIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finance income</link:label>
    <link:label id="lab_ifrs-full_FinanceIncome_019b6a75-76e4-715a-9c91-2c376e9f8926_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_FinanceIncome" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Finance income</link:label>
    <link:label id="lab_ifrs-full_FinanceIncome_label_en-US" xlink:label="lab_ifrs-full_FinanceIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finance income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinanceIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinanceIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinanceIncome" xlink:to="lab_ifrs-full_FinanceIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems_019b6a75-76e5-7965-acbe-118500f75c1e_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about borrowings [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about borrowings [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_BorrowingsPrincipal_019b6a75-76e4-77f9-a7b3-0c10d2fedcf9_terseLabel_en-US" xlink:label="lab_ero_BorrowingsPrincipal" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Principal to be repaid</link:label>
    <link:label id="lab_ero_BorrowingsPrincipal_label_en-US" xlink:label="lab_ero_BorrowingsPrincipal" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings, Principal</link:label>
    <link:label id="lab_ero_BorrowingsPrincipal_documentation_en-US" xlink:label="lab_ero_BorrowingsPrincipal" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowings, Principal</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_BorrowingsPrincipal" xlink:href="ero-20251231.xsd#ero_BorrowingsPrincipal"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_BorrowingsPrincipal" xlink:to="lab_ero_BorrowingsPrincipal" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherShorttermProvisions_019b6a75-7640-7bfe-87ac-3e5902be81fd_verboseLabel_en-US" xlink:label="lab_ifrs-full_OtherShorttermProvisions" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Provision for rehabilitation and closure costs</link:label>
    <link:label id="lab_ifrs-full_OtherShorttermProvisions_019b6a75-7640-7c16-bd78-cb1eb9434070_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherShorttermProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current portion</link:label>
    <link:label id="lab_ifrs-full_OtherShorttermProvisions_label_en-US" xlink:label="lab_ifrs-full_OtherShorttermProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other current provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherShorttermProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherShorttermProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherShorttermProvisions" xlink:to="lab_ifrs-full_OtherShorttermProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfCostOfSalesExplanatory_019b6a75-7640-7789-b296-2019a26bfec3_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfCostOfSalesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cost of Sales</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfCostOfSalesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfCostOfSalesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of cost of sales [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfCostOfSalesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfCostOfSalesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfCostOfSalesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfCostOfSalesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MaximumExposureToCreditRisk_019b6a75-7640-7403-ab1a-d77f73d2d579_terseLabel_en-US" xlink:label="lab_ifrs-full_MaximumExposureToCreditRisk" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum exposure to credit risk</link:label>
    <link:label id="lab_ifrs-full_MaximumExposureToCreditRisk_label_en-US" xlink:label="lab_ifrs-full_MaximumExposureToCreditRisk" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum exposure to credit risk</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MaximumExposureToCreditRisk" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MaximumExposureToCreditRisk"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MaximumExposureToCreditRisk" xlink:to="lab_ifrs-full_MaximumExposureToCreditRisk" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain_019b6a75-7640-748a-bb6d-5348f8e65ba4_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of financial instruments [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of financial instruments [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfFinancialInstrumentsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:to="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToAbstract_019b6a75-7640-7317-945e-3db4b74abde1_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income (loss) attributable to:</link:label>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToAbstract_label_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss), attributable to [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossAttributableToAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossAttributableToAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossAttributableToAbstract" xlink:to="lab_ifrs-full_ProfitLossAttributableToAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NetDeferredTaxAssets_019b6a75-76e5-7b1c-b30b-ba7af2da09aa_terseLabel_en-US" xlink:label="lab_ifrs-full_NetDeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred income tax assets</link:label>
    <link:label id="lab_ifrs-full_NetDeferredTaxAssets_label_en-US" xlink:label="lab_ifrs-full_NetDeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net deferred tax assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NetDeferredTaxAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NetDeferredTaxAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NetDeferredTaxAssets" xlink:to="lab_ifrs-full_NetDeferredTaxAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AnnualInformationForm_019b6a75-7640-7730-9c51-b1b1a4524b7a_terseLabel_en-US" xlink:label="lab_dei_AnnualInformationForm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Annual Information Form</link:label>
    <link:label id="lab_dei_AnnualInformationForm_label_en-US" xlink:label="lab_dei_AnnualInformationForm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Annual Information Form</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AnnualInformationForm" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AnnualInformationForm"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AnnualInformationForm" xlink:to="lab_dei_AnnualInformationForm" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfExplorationAndEvaluationAssetsExplanatory_019b6a75-7640-726f-b985-8fc9eee37279_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfExplorationAndEvaluationAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exploration and Evaluation Assets</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfExplorationAndEvaluationAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfExplorationAndEvaluationAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of exploration and evaluation assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfExplorationAndEvaluationAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfExplorationAndEvaluationAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfExplorationAndEvaluationAssetsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfExplorationAndEvaluationAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_country_BR_019b6a75-76e4-7b3d-b96e-114e164ed1fd_terseLabel_en-US" xlink:label="lab_country_BR" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Brazil</link:label>
    <link:label id="lab_country_BR_label_en-US" xlink:label="lab_country_BR" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BRAZIL</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_BR" xlink:href="https://xbrl.sec.gov/country/2024/country-2024.xsd#country_BR"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_BR" xlink:to="lab_country_BR" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_InternationalMember_019ca4b7-5ebf-7711-adb1-0ad7c4879829_verboseLabel_en-US" xlink:label="lab_ero_InternationalMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">International</link:label>
    <link:label id="lab_ero_InternationalMember_label_en-US" xlink:label="lab_ero_InternationalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">International [Member]</link:label>
    <link:label id="lab_ero_InternationalMember_documentation_en-US" xlink:label="lab_ero_InternationalMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">International</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_InternationalMember" xlink:href="ero-20251231.xsd#ero_InternationalMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_InternationalMember" xlink:to="lab_ero_InternationalMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProportionOfOwnershipInterestInJointVenture_019b6a75-7640-72ad-92ec-9654ca053a5a_terseLabel_en-US" xlink:label="lab_ifrs-full_ProportionOfOwnershipInterestInJointVenture" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proportion of ownership interest in joint venture</link:label>
    <link:label id="lab_ifrs-full_ProportionOfOwnershipInterestInJointVenture_label_en-US" xlink:label="lab_ifrs-full_ProportionOfOwnershipInterestInJointVenture" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proportion of ownership interest in joint venture</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProportionOfOwnershipInterestInJointVenture" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProportionOfOwnershipInterestInJointVenture"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProportionOfOwnershipInterestInJointVenture" xlink:to="lab_ifrs-full_ProportionOfOwnershipInterestInJointVenture" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_BorrowingRedemptionPeriodDomain_019b6a75-76e4-7b1a-bf50-83135f1add68_terseLabel_en-US" xlink:label="lab_ero_BorrowingRedemptionPeriodDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowing Redemption Period [Domain]</link:label>
    <link:label id="lab_ero_BorrowingRedemptionPeriodDomain_label_en-US" xlink:label="lab_ero_BorrowingRedemptionPeriodDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowing Redemption Period [Domain]</link:label>
    <link:label id="lab_ero_BorrowingRedemptionPeriodDomain_documentation_en-US" xlink:label="lab_ero_BorrowingRedemptionPeriodDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowing Redemption Period [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_BorrowingRedemptionPeriodDomain" xlink:href="ero-20251231.xsd#ero_BorrowingRedemptionPeriodDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_BorrowingRedemptionPeriodDomain" xlink:to="lab_ero_BorrowingRedemptionPeriodDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MajorCustomersAxis_019ca54c-af77-7a5d-8300-df94050a8763_terseLabel_en-US" xlink:label="lab_ifrs-full_MajorCustomersAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Major customers [axis]</link:label>
    <link:label id="lab_ifrs-full_MajorCustomersAxis_label_en-US" xlink:label="lab_ifrs-full_MajorCustomersAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Major customers [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MajorCustomersAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MajorCustomersAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MajorCustomersAxis" xlink:to="lab_ifrs-full_MajorCustomersAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityInteractiveDataCurrent_019b6a75-7640-7297-96ac-366b8d825624_terseLabel_en-US" xlink:label="lab_dei_EntityInteractiveDataCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Interactive Data Current</link:label>
    <link:label id="lab_dei_EntityInteractiveDataCurrent_label_en-US" xlink:label="lab_dei_EntityInteractiveDataCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Interactive Data Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInteractiveDataCurrent" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityInteractiveDataCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityInteractiveDataCurrent" xlink:to="lab_dei_EntityInteractiveDataCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_ExplorationDrillingPhaseThreeArea_019b6a75-76e5-7da4-ab9d-a5b97ad4d0b3_terseLabel_en-US" xlink:label="lab_ero_ExplorationDrillingPhaseThreeArea" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exploration Drilling Phase Three, Area</link:label>
    <link:label id="lab_ero_ExplorationDrillingPhaseThreeArea_label_en-US" xlink:label="lab_ero_ExplorationDrillingPhaseThreeArea" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Exploration Drilling Phase Three, Area</link:label>
    <link:label id="lab_ero_ExplorationDrillingPhaseThreeArea_documentation_en-US" xlink:label="lab_ero_ExplorationDrillingPhaseThreeArea" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Exploration Drilling Phase Three, Area</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_ExplorationDrillingPhaseThreeArea" xlink:href="ero-20251231.xsd#ero_ExplorationDrillingPhaseThreeArea"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_ExplorationDrillingPhaseThreeArea" xlink:to="lab_ero_ExplorationDrillingPhaseThreeArea" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_DescriptionOfAccountingPolicyForUseOfEstimatesAndJudgmentsPolicyTextBlock_019b6a75-7640-7902-a96b-d4a58401a9d4_terseLabel_en-US" xlink:label="lab_ero_DescriptionOfAccountingPolicyForUseOfEstimatesAndJudgmentsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Use of Estimates and Judgments</link:label>
    <link:label id="lab_ero_DescriptionOfAccountingPolicyForUseOfEstimatesAndJudgmentsPolicyTextBlock_label_en-US" xlink:label="lab_ero_DescriptionOfAccountingPolicyForUseOfEstimatesAndJudgmentsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description Of Accounting Policy For Use Of Estimates And Judgments [Policy Text Block]</link:label>
    <link:label id="lab_ero_DescriptionOfAccountingPolicyForUseOfEstimatesAndJudgmentsPolicyTextBlock_documentation_en-US" xlink:label="lab_ero_DescriptionOfAccountingPolicyForUseOfEstimatesAndJudgmentsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Description Of Accounting Policy For Use Of Estimates And Judgments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DescriptionOfAccountingPolicyForUseOfEstimatesAndJudgmentsPolicyTextBlock" xlink:href="ero-20251231.xsd#ero_DescriptionOfAccountingPolicyForUseOfEstimatesAndJudgmentsPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_DescriptionOfAccountingPolicyForUseOfEstimatesAndJudgmentsPolicyTextBlock" xlink:to="lab_ero_DescriptionOfAccountingPolicyForUseOfEstimatesAndJudgmentsPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentTaxLiabilities_019b6a75-7640-7877-9cc2-e6b733a49a04_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income taxes payable</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxLiabilities_label_en-US" xlink:label="lab_ifrs-full_CurrentTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current tax liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentTaxLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxLiabilities" xlink:to="lab_ifrs-full_CurrentTaxLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_AdjustmentsNoncashWorkingCapitalItems_019b6a75-7640-7f7d-b5a6-c7733cac5a38_terseLabel_en-US" xlink:label="lab_ero_AdjustmentsNoncashWorkingCapitalItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Changes in non-cash working capital items</link:label>
    <link:label id="lab_ero_AdjustmentsNoncashWorkingCapitalItems_019b6a75-7640-70d0-9360-3938d25f48ba_totalLabel_en-US" xlink:label="lab_ero_AdjustmentsNoncashWorkingCapitalItems" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net change in non-cash working capital items</link:label>
    <link:label id="lab_ero_AdjustmentsNoncashWorkingCapitalItems_label_en-US" xlink:label="lab_ero_AdjustmentsNoncashWorkingCapitalItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments, Noncash Working Capital Items</link:label>
    <link:label id="lab_ero_AdjustmentsNoncashWorkingCapitalItems_documentation_en-US" xlink:label="lab_ero_AdjustmentsNoncashWorkingCapitalItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustments, Noncash Working Capital Items</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_AdjustmentsNoncashWorkingCapitalItems" xlink:href="ero-20251231.xsd#ero_AdjustmentsNoncashWorkingCapitalItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_AdjustmentsNoncashWorkingCapitalItems" xlink:to="lab_ero_AdjustmentsNoncashWorkingCapitalItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValue_019b6a75-7640-7314-afd8-9b64a5a3e846_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets, at fair value</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValue_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets, at fair value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsAtFairValue" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialAssetsAtFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtFairValue" xlink:to="lab_ifrs-full_FinancialAssetsAtFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RetainedEarnings_019b6a75-76e5-7db2-8065-3bb85fb9fb5a_terseLabel_en-US" xlink:label="lab_ifrs-full_RetainedEarnings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retained earnings</link:label>
    <link:label id="lab_ifrs-full_RetainedEarnings_label_en-US" xlink:label="lab_ifrs-full_RetainedEarnings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained earnings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RetainedEarnings" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RetainedEarnings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RetainedEarnings" xlink:to="lab_ifrs-full_RetainedEarnings" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TaxContingentLiabilityMember_019b6a75-76e4-7b43-9b08-7e1c02aa18df_terseLabel_en-US" xlink:label="lab_ifrs-full_TaxContingentLiabilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Taxes</link:label>
    <link:label id="lab_ifrs-full_TaxContingentLiabilityMember_label_en-US" xlink:label="lab_ifrs-full_TaxContingentLiabilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax contingent liability [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TaxContingentLiabilityMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TaxContingentLiabilityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TaxContingentLiabilityMember" xlink:to="lab_ifrs-full_TaxContingentLiabilityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_NonCashOperatingActivitiesAbstract_019ca4d2-9387-76ff-acd2-88c04b5b3cc0_terseLabel_en-US" xlink:label="lab_ero_NonCashOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-cash operating activities:</link:label>
    <link:label id="lab_ero_NonCashOperatingActivitiesAbstract_label_en-US" xlink:label="lab_ero_NonCashOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-cash Operating Activities [Abstract]</link:label>
    <link:label id="lab_ero_NonCashOperatingActivitiesAbstract_documentation_en-US" xlink:label="lab_ero_NonCashOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Non-cash Operating Activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_NonCashOperatingActivitiesAbstract" xlink:href="ero-20251231.xsd#ero_NonCashOperatingActivitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_NonCashOperatingActivitiesAbstract" xlink:to="lab_ero_NonCashOperatingActivitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_country_CA_019b6a75-7640-7294-ba57-7dfc2348b6c9_terseLabel_en-US" xlink:label="lab_country_CA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Canada</link:label>
    <link:label id="lab_country_CA_label_en-US" xlink:label="lab_country_CA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">CANADA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_CA" xlink:href="https://xbrl.sec.gov/country/2024/country-2024.xsd#country_CA"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_CA" xlink:to="lab_country_CA" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_AccountsPayableAndAccruedLiabilitiesIFRSMember_019b6a75-7640-7376-94c7-e5208bd0222a_terseLabel_en-US" xlink:label="lab_ero_AccountsPayableAndAccruedLiabilitiesIFRSMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable and accrued liabilities</link:label>
    <link:label id="lab_ero_AccountsPayableAndAccruedLiabilitiesIFRSMember_label_en-US" xlink:label="lab_ero_AccountsPayableAndAccruedLiabilitiesIFRSMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts Payable And Accrued Liabilities IFRS [Member]</link:label>
    <link:label id="lab_ero_AccountsPayableAndAccruedLiabilitiesIFRSMember_documentation_en-US" xlink:label="lab_ero_AccountsPayableAndAccruedLiabilitiesIFRSMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Accounts Payable And Accrued Liabilities IFRS</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_AccountsPayableAndAccruedLiabilitiesIFRSMember" xlink:href="ero-20251231.xsd#ero_AccountsPayableAndAccruedLiabilitiesIFRSMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_AccountsPayableAndAccruedLiabilitiesIFRSMember" xlink:to="lab_ero_AccountsPayableAndAccruedLiabilitiesIFRSMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CorporateInformationAndStatementOfIFRSComplianceAbstract_019b6a75-7640-7334-a456-219e217d157e_terseLabel_en-US" xlink:label="lab_ifrs-full_CorporateInformationAndStatementOfIFRSComplianceAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Corporate Information And Statement Of IFRS Compliance [Abstract]</link:label>
    <link:label id="lab_ifrs-full_CorporateInformationAndStatementOfIFRSComplianceAbstract_label_en-US" xlink:label="lab_ifrs-full_CorporateInformationAndStatementOfIFRSComplianceAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Corporate information and statement of IFRS compliance [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CorporateInformationAndStatementOfIFRSComplianceAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CorporateInformationAndStatementOfIFRSComplianceAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CorporateInformationAndStatementOfIFRSComplianceAbstract" xlink:to="lab_ifrs-full_CorporateInformationAndStatementOfIFRSComplianceAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems_019b6a75-76e5-7dbe-a4d3-ba6b14f4dad9_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of terms and conditions of share-based payment arrangement [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of terms and conditions of share-based payment arrangement [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:to="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CarryingAmountMember_019b6a75-7640-75f0-aa15-1967c864c84d_terseLabel_en-US" xlink:label="lab_ifrs-full_CarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Carrying amount [member]</link:label>
    <link:label id="lab_ifrs-full_CarryingAmountMember_label_en-US" xlink:label="lab_ifrs-full_CarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Carrying amount [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CarryingAmountMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CarryingAmountMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CarryingAmountMember" xlink:to="lab_ifrs-full_CarryingAmountMember" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_MajorCustomersAxis_019b6a75-7640-7eee-a996-a08d9ffedfb2_terseLabel_en-US" xlink:label="lab_srt_MajorCustomersAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Customer [Axis]</link:label>
    <link:label id="lab_srt_MajorCustomersAxis_label_en-US" xlink:label="lab_srt_MajorCustomersAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Customer [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MajorCustomersAxis" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MajorCustomersAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MajorCustomersAxis" xlink:to="lab_srt_MajorCustomersAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfCustomersAxis_019b6a75-7640-7a48-8332-84b0781df1b0_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfCustomersAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of customers [axis]</link:label>
    <link:label id="lab_ifrs-full_TypesOfCustomersAxis_label_en-US" xlink:label="lab_ifrs-full_TypesOfCustomersAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of customers [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfCustomersAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TypesOfCustomersAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfCustomersAxis" xlink:to="lab_ifrs-full_TypesOfCustomersAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfFinancialAssetsAxis_019b6a75-76e4-732d-87e1-b4ac8c17c6f2_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of financial assets [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfFinancialAssetsAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of financial assets [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:to="lab_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_VestingRequirementsForShareBasedPaymentArrangementVestingPercentage_019b6a75-7640-730d-bfba-c5f7a1abe278_terseLabel_en-US" xlink:label="lab_ero_VestingRequirementsForShareBasedPaymentArrangementVestingPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vesting percentage</link:label>
    <link:label id="lab_ero_VestingRequirementsForShareBasedPaymentArrangementVestingPercentage_label_en-US" xlink:label="lab_ero_VestingRequirementsForShareBasedPaymentArrangementVestingPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Vesting Requirements For Share-Based Payment Arrangement, Vesting Percentage</link:label>
    <link:label id="lab_ero_VestingRequirementsForShareBasedPaymentArrangementVestingPercentage_documentation_en-US" xlink:label="lab_ero_VestingRequirementsForShareBasedPaymentArrangementVestingPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Vesting Requirements For Share-Based Payment Arrangement, Vesting Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_VestingRequirementsForShareBasedPaymentArrangementVestingPercentage" xlink:href="ero-20251231.xsd#ero_VestingRequirementsForShareBasedPaymentArrangementVestingPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_VestingRequirementsForShareBasedPaymentArrangementVestingPercentage" xlink:to="lab_ero_VestingRequirementsForShareBasedPaymentArrangementVestingPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GrossProfit_019b6a75-76e4-7f88-83ae-25baca59f792_totalLabel_en-US" xlink:label="lab_ifrs-full_GrossProfit" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Gross profit</link:label>
    <link:label id="lab_ifrs-full_GrossProfit_019b6a75-76e4-799c-9ec6-a63b3c9af770_terseLabel_en-US" xlink:label="lab_ifrs-full_GrossProfit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gross profit</link:label>
    <link:label id="lab_ifrs-full_GrossProfit_label_en-US" xlink:label="lab_ifrs-full_GrossProfit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gross profit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GrossProfit" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GrossProfit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GrossProfit" xlink:to="lab_ifrs-full_GrossProfit" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019_019b6a75-76e5-7e4e-85b3-4763b8036e0c_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted Average Exercise Price, Exercised (in usd per share)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average exercise price of share options exercised in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019" xlink:to="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_DisclosureOfDetailedInformationAboutOtherCurrentAssetsTableTextBlock_019b6a75-7640-79af-b32e-d75808962e66_terseLabel_en-US" xlink:label="lab_ero_DisclosureOfDetailedInformationAboutOtherCurrentAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Other Current Assets</link:label>
    <link:label id="lab_ero_DisclosureOfDetailedInformationAboutOtherCurrentAssetsTableTextBlock_label_en-US" xlink:label="lab_ero_DisclosureOfDetailedInformationAboutOtherCurrentAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Other Current Assets [Table Text Block]</link:label>
    <link:label id="lab_ero_DisclosureOfDetailedInformationAboutOtherCurrentAssetsTableTextBlock_documentation_en-US" xlink:label="lab_ero_DisclosureOfDetailedInformationAboutOtherCurrentAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Other Current Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DisclosureOfDetailedInformationAboutOtherCurrentAssetsTableTextBlock" xlink:href="ero-20251231.xsd#ero_DisclosureOfDetailedInformationAboutOtherCurrentAssetsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_DisclosureOfDetailedInformationAboutOtherCurrentAssetsTableTextBlock" xlink:to="lab_ero_DisclosureOfDetailedInformationAboutOtherCurrentAssetsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfShareCapitalAxis_019b6a75-76e5-755e-b7aa-13bac0396f3d_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfShareCapitalAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of share capital [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfShareCapitalAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfShareCapitalAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of share capital [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfShareCapitalAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfShareCapitalAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfShareCapitalAxis" xlink:to="lab_ifrs-full_ClassesOfShareCapitalAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_InterestBearingLiabilitiesAverageRatePaid_019b6a75-76e5-7667-b3ed-a1b068fbd6ff_terseLabel_en-US" xlink:label="lab_srt_InterestBearingLiabilitiesAverageRatePaid" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average interest rate</link:label>
    <link:label id="lab_srt_InterestBearingLiabilitiesAverageRatePaid_label_en-US" xlink:label="lab_srt_InterestBearingLiabilitiesAverageRatePaid" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest-Bearing Liabilities, Average Rate Paid</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_InterestBearingLiabilitiesAverageRatePaid" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_InterestBearingLiabilitiesAverageRatePaid"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_InterestBearingLiabilitiesAverageRatePaid" xlink:to="lab_srt_InterestBearingLiabilitiesAverageRatePaid" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RestructuringProvision_019b6a75-7640-7dde-b51d-73913bff05f9_terseLabel_en-US" xlink:label="lab_ifrs-full_RestructuringProvision" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revisions to rehabilitation and closure plans</link:label>
    <link:label id="lab_ifrs-full_RestructuringProvision_label_en-US" xlink:label="lab_ifrs-full_RestructuringProvision" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restructuring provision</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RestructuringProvision" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RestructuringProvision"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RestructuringProvision" xlink:to="lab_ifrs-full_RestructuringProvision" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_019b6a75-76e5-7d3d-852e-84c9563596a2_terseLabel_en-US" xlink:label="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]</link:label>
    <link:label id="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_label_en-US" xlink:label="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:to="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentLiabilitiesAbstract_019b6a75-7640-7a23-8d59-5d7f0437a1d3_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-Current</link:label>
    <link:label id="lab_ifrs-full_NoncurrentLiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_NoncurrentLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current liabilities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentLiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentLiabilitiesAbstract" xlink:to="lab_ifrs-full_NoncurrentLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subclassifications of assets, liabilities and equities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract" xlink:to="lab_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory_019b6a75-76e5-777b-a846-328b35227dac_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign Currency Translation</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for foreign currency translation [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssets_019b6a75-76e5-7473-8be2-b887d9f8527c_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets</link:label>
    <link:label id="lab_ifrs-full_FinancialAssets_label_en-US" xlink:label="lab_ifrs-full_FinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssets" xlink:to="lab_ifrs-full_FinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_BorrowingFacilitiesAccordionFeatureHigherBorrowingCapacityOption_019b6a75-7640-70a4-a5c4-d36f710e5592_verboseLabel_en-US" xlink:label="lab_ero_BorrowingFacilitiesAccordionFeatureHigherBorrowingCapacityOption" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Additional borrowing (up to)</link:label>
    <link:label id="lab_ero_BorrowingFacilitiesAccordionFeatureHigherBorrowingCapacityOption_019b6a75-7640-7cb2-a6a1-5afafc662d61_terseLabel_en-US" xlink:label="lab_ero_BorrowingFacilitiesAccordionFeatureHigherBorrowingCapacityOption" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accordion option</link:label>
    <link:label id="lab_ero_BorrowingFacilitiesAccordionFeatureHigherBorrowingCapacityOption_label_en-US" xlink:label="lab_ero_BorrowingFacilitiesAccordionFeatureHigherBorrowingCapacityOption" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowing Facilities, Accordion Feature, Higher Borrowing Capacity Option</link:label>
    <link:label id="lab_ero_BorrowingFacilitiesAccordionFeatureHigherBorrowingCapacityOption_documentation_en-US" xlink:label="lab_ero_BorrowingFacilitiesAccordionFeatureHigherBorrowingCapacityOption" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowing Facilities, Accordion Feature, Higher Borrowing Capacity Option</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_BorrowingFacilitiesAccordionFeatureHigherBorrowingCapacityOption" xlink:href="ero-20251231.xsd#ero_BorrowingFacilitiesAccordionFeatureHigherBorrowingCapacityOption"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_BorrowingFacilitiesAccordionFeatureHigherBorrowingCapacityOption" xlink:to="lab_ero_BorrowingFacilitiesAccordionFeatureHigherBorrowingCapacityOption" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain_019b7004-d4d6-7b74-b358-4c7496b93ed6_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of property, plant and equipment [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of property, plant and equipment [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" xlink:to="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentLiabilitiesAbstract_019b6a75-7640-7dbb-b8fb-962d683b61d3_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_ifrs-full_CurrentLiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_CurrentLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current liabilities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentLiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentLiabilitiesAbstract" xlink:to="lab_ifrs-full_CurrentLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsMember_019b6a75-76e5-783d-8e92-af77cdf9aea3_terseLabel_en-US" xlink:label="lab_ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for rehabilitation and closure costs</link:label>
    <link:label id="lab_ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsMember_label_en-US" xlink:label="lab_ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision for decommissioning, restoration and rehabilitation costs [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsMember" xlink:to="lab_ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_WeightedAverageForwardPrice_019b6a75-7640-7b25-8a2f-27c5926c2802_terseLabel_en-US" xlink:label="lab_ero_WeightedAverageForwardPrice" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted Average cap/forward price</link:label>
    <link:label id="lab_ero_WeightedAverageForwardPrice_label_en-US" xlink:label="lab_ero_WeightedAverageForwardPrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Forward Price</link:label>
    <link:label id="lab_ero_WeightedAverageForwardPrice_documentation_en-US" xlink:label="lab_ero_WeightedAverageForwardPrice" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Weighted Average Forward Price</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_WeightedAverageForwardPrice" xlink:href="ero-20251231.xsd#ero_WeightedAverageForwardPrice"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_WeightedAverageForwardPrice" xlink:to="lab_ero_WeightedAverageForwardPrice" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss_019b6a75-76e4-71d5-8612-05cca4279585_negatedLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Deferred income tax (expense) recovery</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred tax expense (income) recognised in profit or loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" xlink:to="lab_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipmentAbstract_label_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipmentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, plant and equipment [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PropertyPlantAndEquipmentAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PropertyPlantAndEquipmentAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PropertyPlantAndEquipmentAbstract" xlink:to="lab_ifrs-full_PropertyPlantAndEquipmentAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IssuedCapital_019b6a75-7640-7030-8bb1-c6d981094a22_terseLabel_en-US" xlink:label="lab_ifrs-full_IssuedCapital" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share capital</link:label>
    <link:label id="lab_ifrs-full_IssuedCapital_label_en-US" xlink:label="lab_ifrs-full_IssuedCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issued capital</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IssuedCapital" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IssuedCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IssuedCapital" xlink:to="lab_ifrs-full_IssuedCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain_019b6a75-76e5-7c30-a1eb-097c9ed9295f_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of share-based payment arrangements [domain]</link:label>
    <link:label id="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain_label_en-US" xlink:label="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of share-based payment arrangements [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TypesOfSharebasedPaymentArrangementsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xlink:to="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToAbstract_019b6a75-7640-7e6d-9231-026574c3984b_terseLabel_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Comprehensive income (loss) attributable to:</link:label>
    <link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToAbstract_label_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive income attributable to [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComprehensiveIncomeAttributableToAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:to="lab_ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome_019b6a75-7640-7a45-abde-5c63e0342e58_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Withholding taxes and other</link:label>
    <link:label id="lab_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome_label_en-US" xlink:label="lab_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other tax effects for reconciliation between accounting profit and tax expense (income)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:to="lab_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SignificantInvestmentsInSubsidiariesDomain_019b6a75-7640-744a-8767-618e849076dc_terseLabel_en-US" xlink:label="lab_ifrs-full_SignificantInvestmentsInSubsidiariesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subsidiaries [domain]</link:label>
    <link:label id="lab_ifrs-full_SignificantInvestmentsInSubsidiariesDomain_label_en-US" xlink:label="lab_ifrs-full_SignificantInvestmentsInSubsidiariesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsidiaries [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SignificantInvestmentsInSubsidiariesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SignificantInvestmentsInSubsidiariesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SignificantInvestmentsInSubsidiariesDomain" xlink:to="lab_ifrs-full_SignificantInvestmentsInSubsidiariesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_RoyalGoldMember_019b6a75-7640-7882-ba7d-e670fdd4fd6e_terseLabel_en-US" xlink:label="lab_ero_RoyalGoldMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Royal Gold</link:label>
    <link:label id="lab_ero_RoyalGoldMember_label_en-US" xlink:label="lab_ero_RoyalGoldMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Royal Gold [Member]</link:label>
    <link:label id="lab_ero_RoyalGoldMember_documentation_en-US" xlink:label="lab_ero_RoyalGoldMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Royal Gold</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_RoyalGoldMember" xlink:href="ero-20251231.xsd#ero_RoyalGoldMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_RoyalGoldMember" xlink:to="lab_ero_RoyalGoldMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_FinancialInstrumentsAbstract_019b6a75-7640-7611-91aa-708060fc06db_terseLabel_en-US" xlink:label="lab_ero_FinancialInstrumentsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Instruments [Abstract]</link:label>
    <link:label id="lab_ero_FinancialInstrumentsAbstract_label_en-US" xlink:label="lab_ero_FinancialInstrumentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Instruments [Abstract]</link:label>
    <link:label id="lab_ero_FinancialInstrumentsAbstract_documentation_en-US" xlink:label="lab_ero_FinancialInstrumentsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Instruments [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_FinancialInstrumentsAbstract" xlink:href="ero-20251231.xsd#ero_FinancialInstrumentsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_FinancialInstrumentsAbstract" xlink:to="lab_ero_FinancialInstrumentsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EquityAttributableToOwnersOfParentMember_019b6a75-76e5-7723-86f4-e2d8cbffcbe7_terseLabel_en-US" xlink:label="lab_ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_ifrs-full_EquityAttributableToOwnersOfParentMember_label_en-US" xlink:label="lab_ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity attributable to owners of parent [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EquityAttributableToOwnersOfParentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:to="lab_ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PerformanceObligationsAxis_019b6a75-7640-7475-b08e-2fad14dffc4e_terseLabel_en-US" xlink:label="lab_ifrs-full_PerformanceObligationsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Performance obligations [axis]</link:label>
    <link:label id="lab_ifrs-full_PerformanceObligationsAxis_label_en-US" xlink:label="lab_ifrs-full_PerformanceObligationsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Performance obligations [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PerformanceObligationsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PerformanceObligationsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PerformanceObligationsAxis" xlink:to="lab_ifrs-full_PerformanceObligationsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustedWeightedAverageShares_019b6a75-7640-7620-94bd-05c788f6b11f_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustedWeightedAverageShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Diluted (in shares)</link:label>
    <link:label id="lab_ifrs-full_AdjustedWeightedAverageShares_019b6a75-7640-7f43-9458-a4b8be9d8a85_totalLabel_en-US" xlink:label="lab_ifrs-full_AdjustedWeightedAverageShares" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Weighted average number of diluted common shares outstanding (in shares)</link:label>
    <link:label id="lab_ifrs-full_AdjustedWeightedAverageShares_label_en-US" xlink:label="lab_ifrs-full_AdjustedWeightedAverageShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average number of ordinary shares used in calculating diluted earnings per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustedWeightedAverageShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustedWeightedAverageShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustedWeightedAverageShares" xlink:to="lab_ifrs-full_AdjustedWeightedAverageShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AverageForeignExchangeRate_019b6a75-7640-7c9c-86de-81f8043c2264_terseLabel_en-US" xlink:label="lab_ifrs-full_AverageForeignExchangeRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Average foreign exchange rate</link:label>
    <link:label id="lab_ifrs-full_AverageForeignExchangeRate_label_en-US" xlink:label="lab_ifrs-full_AverageForeignExchangeRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Average foreign exchange rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AverageForeignExchangeRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AverageForeignExchangeRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AverageForeignExchangeRate" xlink:to="lab_ifrs-full_AverageForeignExchangeRate" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AuditorFirmId_019b6a75-7640-7895-8c6b-ff8adf3b40a0_terseLabel_en-US" xlink:label="lab_dei_AuditorFirmId" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Auditor Firm ID</link:label>
    <link:label id="lab_dei_AuditorFirmId_label_en-US" xlink:label="lab_dei_AuditorFirmId" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Auditor Firm ID</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AuditorFirmId" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AuditorFirmId"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AuditorFirmId" xlink:to="lab_dei_AuditorFirmId" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Assets_019b6a75-76e4-77e4-b352-763e85e14453_totalLabel_en-US" xlink:label="lab_ifrs-full_Assets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total Assets</link:label>
    <link:label id="lab_ifrs-full_Assets_label_en-US" xlink:label="lab_ifrs-full_Assets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Assets" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Assets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Assets" xlink:to="lab_ifrs-full_Assets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NotLaterThanOneYearMember_019b6a75-7640-71be-9cbf-6d5e37f8ca50_terseLabel_en-US" xlink:label="lab_ifrs-full_NotLaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Up to 12 months</link:label>
    <link:label id="lab_ifrs-full_NotLaterThanOneYearMember_label_en-US" xlink:label="lab_ifrs-full_NotLaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Not later than one year [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NotLaterThanOneYearMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NotLaterThanOneYearMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NotLaterThanOneYearMember" xlink:to="lab_ifrs-full_NotLaterThanOneYearMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory_019b6a75-76e5-7631-918d-dc213fe44610_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign Exchange Gain (Loss)</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of effect of changes in foreign exchange rates [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_RevenueAdjustments_019b6a75-76e4-72fe-b423-57bc30dda689_terseLabel_en-US" xlink:label="lab_ero_RevenueAdjustments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjustments on provisionally priced sales</link:label>
    <link:label id="lab_ero_RevenueAdjustments_label_en-US" xlink:label="lab_ero_RevenueAdjustments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue Adjustments</link:label>
    <link:label id="lab_ero_RevenueAdjustments_documentation_en-US" xlink:label="lab_ero_RevenueAdjustments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Revenue Adjustments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_RevenueAdjustments" xlink:href="ero-20251231.xsd#ero_RevenueAdjustments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_RevenueAdjustments" xlink:to="lab_ero_RevenueAdjustments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MiningAssetsMember_019b6a75-7640-7c1f-ae8e-0c501de6a7e7_terseLabel_en-US" xlink:label="lab_ifrs-full_MiningAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mineral property, plant and equipment</link:label>
    <link:label id="lab_ifrs-full_MiningAssetsMember_019b6a75-7640-79b4-bcfb-eebddc5a7bc3_verboseLabel_en-US" xlink:label="lab_ifrs-full_MiningAssetsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Mining equipment</link:label>
    <link:label id="lab_ifrs-full_MiningAssetsMember_label_en-US" xlink:label="lab_ifrs-full_MiningAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mining assets [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MiningAssetsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MiningAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MiningAssetsMember" xlink:to="lab_ifrs-full_MiningAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProceedsFromIssuingShares_019b6a75-7640-70db-9237-bd9199b4288e_terseLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromIssuingShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from equity offering, net of share issue costs</link:label>
    <link:label id="lab_ifrs-full_ProceedsFromIssuingShares_019b6a75-7640-7c25-945c-8b0f3242aa4f_verboseLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromIssuingShares" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from issuing shares, net</link:label>
    <link:label id="lab_ifrs-full_ProceedsFromIssuingShares_label_en-US" xlink:label="lab_ifrs-full_ProceedsFromIssuingShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from issuing shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromIssuingShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProceedsFromIssuingShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromIssuingShares" xlink:to="lab_ifrs-full_ProceedsFromIssuingShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted_019b6a75-76e4-7ccc-874a-4838ff173b43_terseLabel_en-US" xlink:label="lab_ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dividend yield (as a percent)</link:label>
    <link:label id="lab_ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted_label_en-US" xlink:label="lab_ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected dividend as percentage, share options granted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted" xlink:to="lab_ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_LegalEntityAxis_019b6a75-7640-7bfd-bb58-2a4a84a41418_terseLabel_en-US" xlink:label="lab_dei_LegalEntityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Legal Entity [Axis]</link:label>
    <link:label id="lab_dei_LegalEntityAxis_label_en-US" xlink:label="lab_dei_LegalEntityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Legal Entity [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_LegalEntityAxis" xlink:to="lab_dei_LegalEntityAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_ContractLiabilityAdvancePaymentsReceived_019b6a75-7640-7b8a-9f96-a64d7dababe2_terseLabel_en-US" xlink:label="lab_ero_ContractLiabilityAdvancePaymentsReceived" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Advances received</link:label>
    <link:label id="lab_ero_ContractLiabilityAdvancePaymentsReceived_label_en-US" xlink:label="lab_ero_ContractLiabilityAdvancePaymentsReceived" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contract Liability, Advance Payments Received</link:label>
    <link:label id="lab_ero_ContractLiabilityAdvancePaymentsReceived_documentation_en-US" xlink:label="lab_ero_ContractLiabilityAdvancePaymentsReceived" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contract Liability, Advance Payments Received</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_ContractLiabilityAdvancePaymentsReceived" xlink:href="ero-20251231.xsd#ero_ContractLiabilityAdvancePaymentsReceived"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_ContractLiabilityAdvancePaymentsReceived" xlink:to="lab_ero_ContractLiabilityAdvancePaymentsReceived" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_ScheduleOfDepositsAndOtherNonCurrentAssetsTableTextBlock_019b6a75-7640-7fcb-902a-120879d4e835_terseLabel_en-US" xlink:label="lab_ero_ScheduleOfDepositsAndOtherNonCurrentAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule Of Deposits And Other Non-current Assets</link:label>
    <link:label id="lab_ero_ScheduleOfDepositsAndOtherNonCurrentAssetsTableTextBlock_label_en-US" xlink:label="lab_ero_ScheduleOfDepositsAndOtherNonCurrentAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Deposits And Other Non-current Assets [Table Text Block]</link:label>
    <link:label id="lab_ero_ScheduleOfDepositsAndOtherNonCurrentAssetsTableTextBlock_documentation_en-US" xlink:label="lab_ero_ScheduleOfDepositsAndOtherNonCurrentAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule Of Deposits And Other Non-current Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_ScheduleOfDepositsAndOtherNonCurrentAssetsTableTextBlock" xlink:href="ero-20251231.xsd#ero_ScheduleOfDepositsAndOtherNonCurrentAssetsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_ScheduleOfDepositsAndOtherNonCurrentAssetsTableTextBlock" xlink:to="lab_ero_ScheduleOfDepositsAndOtherNonCurrentAssetsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeferredTaxAssets_019b6a75-7640-73c6-8936-bba8e3562602_terseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred income tax assets</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxAssets_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred tax assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DeferredTaxAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxAssets" xlink:to="lab_ifrs-full_DeferredTaxAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestExpenseOnBorrowings_019b6a75-76e5-7ade-bd25-53bf543f35ea_verboseLabel_en-US" xlink:label="lab_ifrs-full_InterestExpenseOnBorrowings" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Interest costs, including interest capitalized</link:label>
    <link:label id="lab_ifrs-full_InterestExpenseOnBorrowings_label_en-US" xlink:label="lab_ifrs-full_InterestExpenseOnBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest expense on borrowings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestExpenseOnBorrowings" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestExpenseOnBorrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestExpenseOnBorrowings" xlink:to="lab_ifrs-full_InterestExpenseOnBorrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NetDeferredTaxLiabilities_019b6a75-7640-775e-9f11-2ae0c3698fe6_terseLabel_en-US" xlink:label="lab_ifrs-full_NetDeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred income tax liabilities</link:label>
    <link:label id="lab_ifrs-full_NetDeferredTaxLiabilities_019b6a75-7640-72d2-a916-4ef7d9a75577_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_NetDeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Deferred income tax liabilities</link:label>
    <link:label id="lab_ifrs-full_NetDeferredTaxLiabilities_label_en-US" xlink:label="lab_ifrs-full_NetDeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net deferred tax liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NetDeferredTaxLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NetDeferredTaxLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NetDeferredTaxLiabilities" xlink:to="lab_ifrs-full_NetDeferredTaxLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory_019b6a75-7640-713d-8b36-f14be85b0c98_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-Based Compensation</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for share-based payment transactions [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfFinancialAssetsDomain_019b6a75-76e4-7ba9-b751-ffa3087006f7_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of financial assets [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfFinancialAssetsDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of financial assets [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfFinancialAssetsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="lab_ifrs-full_ClassesOfFinancialAssetsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable_019b6a75-7640-77cf-a5ea-3e4d432492f5_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about borrowings [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about borrowings [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory_019b6a75-7640-76f8-b4b8-12a196363245_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provisions</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for provisions [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToNoncontrollingInterests_019b6a75-7640-722f-bb15-9e8a6077e4bc_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-controlling interests</link:label>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToNoncontrollingInterests_label_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss), attributable to non-controlling interests</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossAttributableToNoncontrollingInterests"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xlink:to="lab_ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_DisclosureOfUnrecognizedDeductibleTemporaryDifferencesTableTextBlock_019b6a75-7640-77aa-82d5-ff57d78236e3_terseLabel_en-US" xlink:label="lab_ero_DisclosureOfUnrecognizedDeductibleTemporaryDifferencesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Unrecognized Deductible Temporary Differences</link:label>
    <link:label id="lab_ero_DisclosureOfUnrecognizedDeductibleTemporaryDifferencesTableTextBlock_label_en-US" xlink:label="lab_ero_DisclosureOfUnrecognizedDeductibleTemporaryDifferencesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Unrecognized Deductible Temporary Differences [Table Text Block]</link:label>
    <link:label id="lab_ero_DisclosureOfUnrecognizedDeductibleTemporaryDifferencesTableTextBlock_documentation_en-US" xlink:label="lab_ero_DisclosureOfUnrecognizedDeductibleTemporaryDifferencesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Unrecognized Deductible Temporary Differences</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DisclosureOfUnrecognizedDeductibleTemporaryDifferencesTableTextBlock" xlink:href="ero-20251231.xsd#ero_DisclosureOfUnrecognizedDeductibleTemporaryDifferencesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_DisclosureOfUnrecognizedDeductibleTemporaryDifferencesTableTextBlock" xlink:to="lab_ero_DisclosureOfUnrecognizedDeductibleTemporaryDifferencesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressStateOrProvince_019b6a75-7640-716b-9679-22b839e61a3f_terseLabel_en-US" xlink:label="lab_dei_EntityAddressStateOrProvince" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Address, State or Province</link:label>
    <link:label id="lab_dei_EntityAddressStateOrProvince_label_en-US" xlink:label="lab_dei_EntityAddressStateOrProvince" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Address, State or Province</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressStateOrProvince"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressStateOrProvince" xlink:to="lab_dei_EntityAddressStateOrProvince" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PerformanceObligationsDomain_019b6a75-76e4-7795-9ea7-ef7be46a8232_terseLabel_en-US" xlink:label="lab_ifrs-full_PerformanceObligationsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Performance obligations [domain]</link:label>
    <link:label id="lab_ifrs-full_PerformanceObligationsDomain_label_en-US" xlink:label="lab_ifrs-full_PerformanceObligationsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Performance obligations [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PerformanceObligationsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PerformanceObligationsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PerformanceObligationsDomain" xlink:to="lab_ifrs-full_PerformanceObligationsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LossesOnChangeInFairValueOfDerivatives_019b6a75-76e4-76a4-82df-b31dd1a8beb1_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_LossesOnChangeInFairValueOfDerivatives" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Realized loss</link:label>
    <link:label id="lab_ifrs-full_LossesOnChangeInFairValueOfDerivatives_label_en-US" xlink:label="lab_ifrs-full_LossesOnChangeInFairValueOfDerivatives" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Losses on change in fair value of derivatives</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LossesOnChangeInFairValueOfDerivatives" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LossesOnChangeInFairValueOfDerivatives"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LossesOnChangeInFairValueOfDerivatives" xlink:to="lab_ifrs-full_LossesOnChangeInFairValueOfDerivatives" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensation_019b6a75-7640-7051-a939-9cf3e09b2983_totalLabel_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensation" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Key management personnel remuneration</link:label>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensation_label_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key management personnel compensation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_KeyManagementPersonnelCompensation" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_KeyManagementPersonnelCompensation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_KeyManagementPersonnelCompensation" xlink:to="lab_ifrs-full_KeyManagementPersonnelCompensation" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RangeDomain_019b6a75-7640-735d-8488-2aa862483225_terseLabel_en-US" xlink:label="lab_ifrs-full_RangeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Range</link:label>
    <link:label id="lab_ifrs-full_RangeDomain_label_en-US" xlink:label="lab_ifrs-full_RangeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Range [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RangeDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RangeDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RangeDomain" xlink:to="lab_ifrs-full_RangeDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentDerivativeFinancialLiabilities_019b6a75-7640-732d-a2b9-33c4af9ace2b_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentDerivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current portion of derivatives</link:label>
    <link:label id="lab_ifrs-full_CurrentDerivativeFinancialLiabilities_label_en-US" xlink:label="lab_ifrs-full_CurrentDerivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current derivative financial liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentDerivativeFinancialLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentDerivativeFinancialLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentDerivativeFinancialLiabilities" xlink:to="lab_ifrs-full_CurrentDerivativeFinancialLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExplorationAndEvaluationAssetsMember_019b6a75-7640-7770-a980-73436e704074_terseLabel_en-US" xlink:label="lab_ifrs-full_ExplorationAndEvaluationAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exploration and evaluation assets</link:label>
    <link:label id="lab_ifrs-full_ExplorationAndEvaluationAssetsMember_label_en-US" xlink:label="lab_ifrs-full_ExplorationAndEvaluationAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Exploration and evaluation assets [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExplorationAndEvaluationAssetsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ExplorationAndEvaluationAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExplorationAndEvaluationAssetsMember" xlink:to="lab_ifrs-full_ExplorationAndEvaluationAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeAbstract_019b6a75-7640-7394-a4e8-dedfbb8a3e60_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other comprehensive gain (loss)</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeAbstract_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other comprehensive income [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BasicEarningsLossPerShare_019b6a75-76e4-7bd3-8578-535ce58a5058_terseLabel_en-US" xlink:label="lab_ifrs-full_BasicEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basic (in usd per share)</link:label>
    <link:label id="lab_ifrs-full_BasicEarningsLossPerShare_019b6a75-76e4-7186-be10-39bc3099599c_verboseLabel_en-US" xlink:label="lab_ifrs-full_BasicEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Basic net income per share (in usd per share)</link:label>
    <link:label id="lab_ifrs-full_BasicEarningsLossPerShare_label_en-US" xlink:label="lab_ifrs-full_BasicEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Basic earnings (loss) per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BasicEarningsLossPerShare" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BasicEarningsLossPerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BasicEarningsLossPerShare" xlink:to="lab_ifrs-full_BasicEarningsLossPerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_TaxEffectOfChangeInTemporaryDifferencesNotPreviouslyRecognized_019b6a75-76e4-7c1a-afd4-24071829ff6a_terseLabel_en-US" xlink:label="lab_ero_TaxEffectOfChangeInTemporaryDifferencesNotPreviouslyRecognized" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change in temporary differences not recognized</link:label>
    <link:label id="lab_ero_TaxEffectOfChangeInTemporaryDifferencesNotPreviouslyRecognized_label_en-US" xlink:label="lab_ero_TaxEffectOfChangeInTemporaryDifferencesNotPreviouslyRecognized" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Effect Of Change In Temporary Differences Not Previously Recognized</link:label>
    <link:label id="lab_ero_TaxEffectOfChangeInTemporaryDifferencesNotPreviouslyRecognized_documentation_en-US" xlink:label="lab_ero_TaxEffectOfChangeInTemporaryDifferencesNotPreviouslyRecognized" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tax Effect Of Change In Temporary Differences Not Previously Recognized</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_TaxEffectOfChangeInTemporaryDifferencesNotPreviouslyRecognized" xlink:href="ero-20251231.xsd#ero_TaxEffectOfChangeInTemporaryDifferencesNotPreviouslyRecognized"/>
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    <link:label id="lab_ero_TotalBorrowingsMember_019b6a75-7640-735f-9ab2-7340abec7b8e_terseLabel_en-US" xlink:label="lab_ero_TotalBorrowingsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consolidated</link:label>
    <link:label id="lab_ero_TotalBorrowingsMember_label_en-US" xlink:label="lab_ero_TotalBorrowingsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Borrowings [Member]</link:label>
    <link:label id="lab_ero_TotalBorrowingsMember_documentation_en-US" xlink:label="lab_ero_TotalBorrowingsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total Borrowings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_TotalBorrowingsMember" xlink:href="ero-20251231.xsd#ero_TotalBorrowingsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_TotalBorrowingsMember" xlink:to="lab_ero_TotalBorrowingsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_DisclosureOfNatureOfOperationsTextBlock_019b6a75-76e5-730e-8479-00bfd890c100_terseLabel_en-US" xlink:label="lab_ero_DisclosureOfNatureOfOperationsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Nature of Operations</link:label>
    <link:label id="lab_ero_DisclosureOfNatureOfOperationsTextBlock_label_en-US" xlink:label="lab_ero_DisclosureOfNatureOfOperationsTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Nature Of Operations [Text Block]</link:label>
    <link:label id="lab_ero_DisclosureOfNatureOfOperationsTextBlock_documentation_en-US" xlink:label="lab_ero_DisclosureOfNatureOfOperationsTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Nature Of Operations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DisclosureOfNatureOfOperationsTextBlock" xlink:href="ero-20251231.xsd#ero_DisclosureOfNatureOfOperationsTextBlock"/>
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    <link:label id="lab_ero_ForwardExchangeForwardMember_019b6a75-76e5-7840-853c-2808f96a1e5f_terseLabel_en-US" xlink:label="lab_ero_ForwardExchangeForwardMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Forward Exchange Forward</link:label>
    <link:label id="lab_ero_ForwardExchangeForwardMember_label_en-US" xlink:label="lab_ero_ForwardExchangeForwardMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Forward Exchange Forward [Member]</link:label>
    <link:label id="lab_ero_ForwardExchangeForwardMember_documentation_en-US" xlink:label="lab_ero_ForwardExchangeForwardMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Forward Exchange Forward</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_ForwardExchangeForwardMember" xlink:href="ero-20251231.xsd#ero_ForwardExchangeForwardMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_ForwardExchangeForwardMember" xlink:to="lab_ero_ForwardExchangeForwardMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentOreStockpiles_019b6a75-76e4-71c1-9178-81064338a55a_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentOreStockpiles" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stockpiles</link:label>
    <link:label id="lab_ifrs-full_CurrentOreStockpiles_label_en-US" xlink:label="lab_ifrs-full_CurrentOreStockpiles" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current ore stockpiles</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentOreStockpiles" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentOreStockpiles"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentOreStockpiles" xlink:to="lab_ifrs-full_CurrentOreStockpiles" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_ShareCapitalReservesOtherEquityInterestShareBasedPaymentArrangementsAndEarningsPerShareAbstract_019b6a75-7640-7dfb-921c-3d8b65574810_terseLabel_en-US" xlink:label="lab_ero_ShareCapitalReservesOtherEquityInterestShareBasedPaymentArrangementsAndEarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share Capital , Reserves, Other Equity Interest, Share-Based Payment Arrangements And Earnings Per Share [Abstract]</link:label>
    <link:label id="lab_ero_ShareCapitalReservesOtherEquityInterestShareBasedPaymentArrangementsAndEarningsPerShareAbstract_label_en-US" xlink:label="lab_ero_ShareCapitalReservesOtherEquityInterestShareBasedPaymentArrangementsAndEarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Capital , Reserves, Other Equity Interest, Share-Based Payment Arrangements And Earnings Per Share [Abstract]</link:label>
    <link:label id="lab_ero_ShareCapitalReservesOtherEquityInterestShareBasedPaymentArrangementsAndEarningsPerShareAbstract_documentation_en-US" xlink:label="lab_ero_ShareCapitalReservesOtherEquityInterestShareBasedPaymentArrangementsAndEarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share Capital , Reserves, Other Equity Interest, Share-Based Payment Arrangements And Earnings Per Share [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_ShareCapitalReservesOtherEquityInterestShareBasedPaymentArrangementsAndEarningsPerShareAbstract" xlink:href="ero-20251231.xsd#ero_ShareCapitalReservesOtherEquityInterestShareBasedPaymentArrangementsAndEarningsPerShareAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_ShareCapitalReservesOtherEquityInterestShareBasedPaymentArrangementsAndEarningsPerShareAbstract" xlink:to="lab_ero_ShareCapitalReservesOtherEquityInterestShareBasedPaymentArrangementsAndEarningsPerShareAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfFinancialLiabilitiesDomain_019b6a75-76e4-7eb5-89f3-6da5b71b844d_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of financial liabilities [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfFinancialLiabilitiesDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of financial liabilities [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfFinancialLiabilitiesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="lab_ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExpenseByNatureAbstract_019b6a75-76e4-7339-a409-be06be15ee37_terseLabel_en-US" xlink:label="lab_ifrs-full_ExpenseByNatureAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expenses</link:label>
    <link:label id="lab_ifrs-full_ExpenseByNatureAbstract_label_en-US" xlink:label="lab_ifrs-full_ExpenseByNatureAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expenses by nature [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExpenseByNatureAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ExpenseByNatureAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpenseByNatureAbstract" xlink:to="lab_ifrs-full_ExpenseByNatureAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_MinimumMember_019b6a75-76e4-7208-9205-021cd7b9382a_terseLabel_en-US" xlink:label="lab_srt_MinimumMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum</link:label>
    <link:label id="lab_srt_MinimumMember_label_en-US" xlink:label="lab_srt_MinimumMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MinimumMember" xlink:to="lab_srt_MinimumMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract_019b6a75-7640-770d-93e9-0ef59ac0f275_terseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash Flows used in Financing Activities</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) financing activities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:to="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019_019b6a75-76e4-7376-8958-adc231500023_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted Average Exercise Price, Issued (in usd per share)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average exercise price of share options granted in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019" xlink:to="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers_019b6a75-7640-7e9e-a3c6-02ef2695703b_terseLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade suppliers</link:label>
    <link:label id="lab_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers_label_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current trade payables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:to="lab_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory_019b6a75-7640-75b8-bd93-f1cc500cd0ce_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Estimated Useful Lives</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory_019b6a75-7640-7cf6-bf71-450f2e3f78cc_verboseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Mineral, Property, Plant and Equipment</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory_019b6a75-7640-7d2f-8f72-a59182aa4d0b_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of PSUs, RSUs, DSUs, RSUs Issued and Outstanding</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of number and weighted average exercise prices of other equity instruments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract_019b6a75-76e4-7008-a350-84c2eeea2efa_terseLabel_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of changes in deferred tax liability (asset) [abstract]</link:label>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract_label_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reconciliation of changes in deferred tax liability (asset) [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract"/>
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    <link:label id="lab_ero_IntercompanyLoanMember_019b6a75-7640-76e7-8ba1-c7406f6d6095_terseLabel_en-US" xlink:label="lab_ero_IntercompanyLoanMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Intercompany loan</link:label>
    <link:label id="lab_ero_IntercompanyLoanMember_label_en-US" xlink:label="lab_ero_IntercompanyLoanMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intercompany Loan [Member]</link:label>
    <link:label id="lab_ero_IntercompanyLoanMember_documentation_en-US" xlink:label="lab_ero_IntercompanyLoanMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Intercompany Loan</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_IntercompanyLoanMember" xlink:href="ero-20251231.xsd#ero_IntercompanyLoanMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_IntercompanyLoanMember" xlink:to="lab_ero_IntercompanyLoanMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SignificantUnobservableInputLiabilities_019b6a75-7640-732a-96a3-75eb8d43254a_terseLabel_en-US" xlink:label="lab_ifrs-full_SignificantUnobservableInputLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Significant unobservable input, liabilities</link:label>
    <link:label id="lab_ifrs-full_SignificantUnobservableInputLiabilities_label_en-US" xlink:label="lab_ifrs-full_SignificantUnobservableInputLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Significant unobservable input, liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SignificantUnobservableInputLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SignificantUnobservableInputLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SignificantUnobservableInputLiabilities" xlink:to="lab_ifrs-full_SignificantUnobservableInputLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLoss_019b6a75-76e4-7b51-ba73-6c8007dbc7b2_totalLabel_en-US" xlink:label="lab_ifrs-full_ProfitLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net income (loss) for the year</link:label>
    <link:label id="lab_ifrs-full_ProfitLoss_019b6a75-76e4-7f0a-8934-b09dacc93fda_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income (loss) for the year</link:label>
    <link:label id="lab_ifrs-full_ProfitLoss_label_en-US" xlink:label="lab_ifrs-full_ProfitLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLoss" xlink:to="lab_ifrs-full_ProfitLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfInterestRatesDomain_019b6a75-7640-79d8-98ae-e1079caa7a54_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfInterestRatesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of interest rates [domain]</link:label>
    <link:label id="lab_ifrs-full_TypesOfInterestRatesDomain_label_en-US" xlink:label="lab_ifrs-full_TypesOfInterestRatesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of interest rates [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfInterestRatesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TypesOfInterestRatesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfInterestRatesDomain" xlink:to="lab_ifrs-full_TypesOfInterestRatesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_EquipmentFinanceLoansUSDMember_019b6a75-7640-7080-8f95-416db77ff64b_terseLabel_en-US" xlink:label="lab_ero_EquipmentFinanceLoansUSDMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equipment Finance Loans USD</link:label>
    <link:label id="lab_ero_EquipmentFinanceLoansUSDMember_label_en-US" xlink:label="lab_ero_EquipmentFinanceLoansUSDMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equipment Finance Loans USD [Member]</link:label>
    <link:label id="lab_ero_EquipmentFinanceLoansUSDMember_documentation_en-US" xlink:label="lab_ero_EquipmentFinanceLoansUSDMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Equipment Finance Loans USD</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_EquipmentFinanceLoansUSDMember" xlink:href="ero-20251231.xsd#ero_EquipmentFinanceLoansUSDMember"/>
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    <link:label id="lab_ero_DecreaseThroughSettlementOfLiabilitiesOtherProvisions_019b6a75-7640-780b-b7e9-f841e5b19f8c_negatedTerseLabel_en-US" xlink:label="lab_ero_DecreaseThroughSettlementOfLiabilitiesOtherProvisions" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Settled</link:label>
    <link:label id="lab_ero_DecreaseThroughSettlementOfLiabilitiesOtherProvisions_label_en-US" xlink:label="lab_ero_DecreaseThroughSettlementOfLiabilitiesOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease Through Settlement Of Liabilities, Other Provisions</link:label>
    <link:label id="lab_ero_DecreaseThroughSettlementOfLiabilitiesOtherProvisions_documentation_en-US" xlink:label="lab_ero_DecreaseThroughSettlementOfLiabilitiesOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Decrease Through Settlement Of Liabilities, Other Provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DecreaseThroughSettlementOfLiabilitiesOtherProvisions" xlink:href="ero-20251231.xsd#ero_DecreaseThroughSettlementOfLiabilitiesOtherProvisions"/>
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    <link:label id="lab_ero_BorrowingsMonthlyRepaymentAmount_019b6a75-7640-702d-a78c-3975519e0d09_terseLabel_en-US" xlink:label="lab_ero_BorrowingsMonthlyRepaymentAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Monthly repayment amount</link:label>
    <link:label id="lab_ero_BorrowingsMonthlyRepaymentAmount_label_en-US" xlink:label="lab_ero_BorrowingsMonthlyRepaymentAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings, Monthly Repayment Amount</link:label>
    <link:label id="lab_ero_BorrowingsMonthlyRepaymentAmount_documentation_en-US" xlink:label="lab_ero_BorrowingsMonthlyRepaymentAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowings, Monthly Repayment Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_BorrowingsMonthlyRepaymentAmount" xlink:href="ero-20251231.xsd#ero_BorrowingsMonthlyRepaymentAmount"/>
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    <link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInContractLiabilities_019b6a75-7640-71b0-8adb-d0d7504eba27_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization of deferred revenue</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInContractLiabilities_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for increase (decrease) in contract liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInContractLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInContractLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInContractLiabilities" xlink:to="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInContractLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProportionOfOwnershipInterestInSubsidiary_019b6a75-76e4-7327-b9bb-c52c5e93e150_terseLabel_en-US" xlink:label="lab_ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ownership percentage</link:label>
    <link:label id="lab_ifrs-full_ProportionOfOwnershipInterestInSubsidiary_label_en-US" xlink:label="lab_ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proportion of ownership interest in subsidiary</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProportionOfOwnershipInterestInSubsidiary"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:to="lab_ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable_019b6a75-7640-7b30-b825-39ac2f81511d_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of nature and extent of risks arising from financial instruments [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of nature and extent of risks arising from financial instruments [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable"/>
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    <link:label id="lab_ero_BorrowingCommitmentFeePercentage_019b6a75-7640-77a6-8a4b-4734010f4b16_terseLabel_en-US" xlink:label="lab_ero_BorrowingCommitmentFeePercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commitment fee percentage</link:label>
    <link:label id="lab_ero_BorrowingCommitmentFeePercentage_label_en-US" xlink:label="lab_ero_BorrowingCommitmentFeePercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowing, Commitment Fee Percentage</link:label>
    <link:label id="lab_ero_BorrowingCommitmentFeePercentage_documentation_en-US" xlink:label="lab_ero_BorrowingCommitmentFeePercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowing, Commitment Fee Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_BorrowingCommitmentFeePercentage" xlink:href="ero-20251231.xsd#ero_BorrowingCommitmentFeePercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_BorrowingCommitmentFeePercentage" xlink:to="lab_ero_BorrowingCommitmentFeePercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfShareCapitalDomain_019b6a75-76e4-7bcf-9e3d-0ad4216533e3_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfShareCapitalDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of share capital [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfShareCapitalDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfShareCapitalDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of share capital [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfShareCapitalDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfShareCapitalDomain"/>
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    <link:label id="lab_ero_NumberOfClaimsContingentLiabilities_019b6a75-7640-7775-882c-e09db7ac774b_terseLabel_en-US" xlink:label="lab_ero_NumberOfClaimsContingentLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of claims</link:label>
    <link:label id="lab_ero_NumberOfClaimsContingentLiabilities_label_en-US" xlink:label="lab_ero_NumberOfClaimsContingentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Claims, Contingent Liabilities</link:label>
    <link:label id="lab_ero_NumberOfClaimsContingentLiabilities_documentation_en-US" xlink:label="lab_ero_NumberOfClaimsContingentLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Claims, Contingent Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_NumberOfClaimsContingentLiabilities" xlink:href="ero-20251231.xsd#ero_NumberOfClaimsContingentLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_NumberOfClaimsContingentLiabilities" xlink:to="lab_ero_NumberOfClaimsContingentLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfLiabilitiesDomain_019b6a75-7640-7a7a-b5e5-987e6c7727d5_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of liabilities [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfLiabilitiesDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of liabilities [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfLiabilitiesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfLiabilitiesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfLiabilitiesDomain" xlink:to="lab_ifrs-full_ClassesOfLiabilitiesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_PerformanceShareUnitsMember_019b6a75-7640-7bfa-8dba-80adad76380a_verboseLabel_en-US" xlink:label="lab_ero_PerformanceShareUnitsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">PSU</link:label>
    <link:label id="lab_ero_PerformanceShareUnitsMember_019b6a75-7640-7f9f-801e-a67aeedc0754_terseLabel_en-US" xlink:label="lab_ero_PerformanceShareUnitsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Performance share unit plan</link:label>
    <link:label id="lab_ero_PerformanceShareUnitsMember_label_en-US" xlink:label="lab_ero_PerformanceShareUnitsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Performance Share Units [Member]</link:label>
    <link:label id="lab_ero_PerformanceShareUnitsMember_documentation_en-US" xlink:label="lab_ero_PerformanceShareUnitsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Performance Share Units</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_PerformanceShareUnitsMember" xlink:href="ero-20251231.xsd#ero_PerformanceShareUnitsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_PerformanceShareUnitsMember" xlink:to="lab_ero_PerformanceShareUnitsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_NonCashInvestingAndFinancingItemsAbstract_019b6a75-7640-7776-ad65-580593b3415b_terseLabel_en-US" xlink:label="lab_ero_NonCashInvestingAndFinancingItemsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-cash investing and financing activities:</link:label>
    <link:label id="lab_ero_NonCashInvestingAndFinancingItemsAbstract_label_en-US" xlink:label="lab_ero_NonCashInvestingAndFinancingItemsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-cash Investing And Financing Items [Abstract]</link:label>
    <link:label id="lab_ero_NonCashInvestingAndFinancingItemsAbstract_documentation_en-US" xlink:label="lab_ero_NonCashInvestingAndFinancingItemsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Non-cash Investing And Financing Items</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_NonCashInvestingAndFinancingItemsAbstract" xlink:href="ero-20251231.xsd#ero_NonCashInvestingAndFinancingItemsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_NonCashInvestingAndFinancingItemsAbstract" xlink:to="lab_ero_NonCashInvestingAndFinancingItemsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_FurnasProjectMember_019b6a75-7640-7b5b-aa2c-793876b24f7d_terseLabel_en-US" xlink:label="lab_ero_FurnasProjectMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Furnas Project</link:label>
    <link:label id="lab_ero_FurnasProjectMember_label_en-US" xlink:label="lab_ero_FurnasProjectMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Furnas Project [Member]</link:label>
    <link:label id="lab_ero_FurnasProjectMember_documentation_en-US" xlink:label="lab_ero_FurnasProjectMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Furnas Project</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_FurnasProjectMember" xlink:href="ero-20251231.xsd#ero_FurnasProjectMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_FurnasProjectMember" xlink:to="lab_ero_FurnasProjectMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOfChangeOnPreTaxEarnings_019b6a75-76e4-7834-b881-d5bc3b075055_terseLabel_en-US" xlink:label="lab_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOfChangeOnPreTaxEarnings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impact of change on pre-tax net income</link:label>
    <link:label id="lab_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOfChangeOnPreTaxEarnings_label_en-US" xlink:label="lab_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOfChangeOnPreTaxEarnings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Impact Of Change On Pre-Tax Earnings</link:label>
    <link:label id="lab_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOfChangeOnPreTaxEarnings_documentation_en-US" xlink:label="lab_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOfChangeOnPreTaxEarnings" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Impact Of Change On Pre-Tax Earnings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOfChangeOnPreTaxEarnings" xlink:href="ero-20251231.xsd#ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOfChangeOnPreTaxEarnings"/>
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    <link:label id="lab_ifrs-full_RiskExposureAssociatedWithInstrumentsSharingCharacteristic_019b6a75-7640-7001-a236-f94b18d932b2_terseLabel_en-US" xlink:label="lab_ifrs-full_RiskExposureAssociatedWithInstrumentsSharingCharacteristic" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Risk exposure</link:label>
    <link:label id="lab_ifrs-full_RiskExposureAssociatedWithInstrumentsSharingCharacteristic_label_en-US" xlink:label="lab_ifrs-full_RiskExposureAssociatedWithInstrumentsSharingCharacteristic" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Risk exposure associated with instruments sharing characteristic</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RiskExposureAssociatedWithInstrumentsSharingCharacteristic" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RiskExposureAssociatedWithInstrumentsSharingCharacteristic"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RiskExposureAssociatedWithInstrumentsSharingCharacteristic" xlink:to="lab_ifrs-full_RiskExposureAssociatedWithInstrumentsSharingCharacteristic" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement_019b6a75-7640-7a58-8b2a-dbd1c088646e_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vested and Exercisable Number of Stock Options (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement_label_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of share options exercisable in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement"/>
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    <link:label id="lab_ero_PropertyPlantAndEquipmentDevelopmentCosts_019b6a75-76e4-7987-9265-bb095f2d5b83_terseLabel_en-US" xlink:label="lab_ero_PropertyPlantAndEquipmentDevelopmentCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Development costs</link:label>
    <link:label id="lab_ero_PropertyPlantAndEquipmentDevelopmentCosts_label_en-US" xlink:label="lab_ero_PropertyPlantAndEquipmentDevelopmentCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property Plant and Equipment Development Costs</link:label>
    <link:label id="lab_ero_PropertyPlantAndEquipmentDevelopmentCosts_documentation_en-US" xlink:label="lab_ero_PropertyPlantAndEquipmentDevelopmentCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Property Plant and Equipment Development Costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_PropertyPlantAndEquipmentDevelopmentCosts" xlink:href="ero-20251231.xsd#ero_PropertyPlantAndEquipmentDevelopmentCosts"/>
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    <link:label id="lab_ero_DisclosureOfDetailedInformationAboutAccountsPayableAndAccruedLiabilitiesTableTextBlock_019b6a75-7640-732b-ab42-212fa882236e_terseLabel_en-US" xlink:label="lab_ero_DisclosureOfDetailedInformationAboutAccountsPayableAndAccruedLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Accounts Payable and Accrued Liabilities</link:label>
    <link:label id="lab_ero_DisclosureOfDetailedInformationAboutAccountsPayableAndAccruedLiabilitiesTableTextBlock_label_en-US" xlink:label="lab_ero_DisclosureOfDetailedInformationAboutAccountsPayableAndAccruedLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Accounts Payable And Accrued Liabilities [Table Text Block]</link:label>
    <link:label id="lab_ero_DisclosureOfDetailedInformationAboutAccountsPayableAndAccruedLiabilitiesTableTextBlock_documentation_en-US" xlink:label="lab_ero_DisclosureOfDetailedInformationAboutAccountsPayableAndAccruedLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Accounts Payable And Accrued Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DisclosureOfDetailedInformationAboutAccountsPayableAndAccruedLiabilitiesTableTextBlock" xlink:href="ero-20251231.xsd#ero_DisclosureOfDetailedInformationAboutAccountsPayableAndAccruedLiabilitiesTableTextBlock"/>
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    <link:label id="lab_ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of commitments and contingent liabilities [text block]</link:label>
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    <link:label id="lab_ero_ChangeInEstimateOfProvisionForDecommissioningRestorationAndRehabilitationCosts_documentation_en-US" xlink:label="lab_ero_ChangeInEstimateOfProvisionForDecommissioningRestorationAndRehabilitationCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Change In Estimate Of Provision For Decommissioning, Restoration And Rehabilitation Costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_ChangeInEstimateOfProvisionForDecommissioningRestorationAndRehabilitationCosts" xlink:href="ero-20251231.xsd#ero_ChangeInEstimateOfProvisionForDecommissioningRestorationAndRehabilitationCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_ChangeInEstimateOfProvisionForDecommissioningRestorationAndRehabilitationCosts" xlink:to="lab_ero_ChangeInEstimateOfProvisionForDecommissioningRestorationAndRehabilitationCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_ChangesInForeignExchangeRatesAbstract_label_en-US" xlink:label="lab_ero_ChangesInForeignExchangeRatesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Changes In Foreign Exchange Rates [Abstract]</link:label>
    <link:label id="lab_ero_ChangesInForeignExchangeRatesAbstract_documentation_en-US" xlink:label="lab_ero_ChangesInForeignExchangeRatesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Changes In Foreign Exchange Rates [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_ChangesInForeignExchangeRatesAbstract" xlink:href="ero-20251231.xsd#ero_ChangesInForeignExchangeRatesAbstract"/>
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    <link:label id="lab_ero_BorrowingsMaturityTerm_019b6a75-76e4-7632-b678-e092b2d79b61_terseLabel_en-US" xlink:label="lab_ero_BorrowingsMaturityTerm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity (Months)</link:label>
    <link:label id="lab_ero_BorrowingsMaturityTerm_label_en-US" xlink:label="lab_ero_BorrowingsMaturityTerm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings Maturity, Term</link:label>
    <link:label id="lab_ero_BorrowingsMaturityTerm_documentation_en-US" xlink:label="lab_ero_BorrowingsMaturityTerm" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowings Maturity, Term</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_BorrowingsMaturityTerm" xlink:href="ero-20251231.xsd#ero_BorrowingsMaturityTerm"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_BorrowingsMaturityTerm" xlink:to="lab_ero_BorrowingsMaturityTerm" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfInterestRatesAxis_019b6a75-7640-7766-92cf-e84f2b049d0e_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfInterestRatesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of interest rates [axis]</link:label>
    <link:label id="lab_ifrs-full_TypesOfInterestRatesAxis_label_en-US" xlink:label="lab_ifrs-full_TypesOfInterestRatesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of interest rates [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfInterestRatesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TypesOfInterestRatesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfInterestRatesAxis" xlink:to="lab_ifrs-full_TypesOfInterestRatesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersFromConstructionInProgressPropertyPlantAndEquipment_019ca56c-6e3a-7e26-844a-2d42c91899e0_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersFromConstructionInProgressPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase (decrease) through transfers from construction in progress, property, plant and equipment</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersFromConstructionInProgressPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersFromConstructionInProgressPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through transfers from construction in progress, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughTransfersFromConstructionInProgressPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseThroughTransfersFromConstructionInProgressPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughTransfersFromConstructionInProgressPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughTransfersFromConstructionInProgressPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_CapitalExpendituresForMineralPropertyPlantAndEquipmentExplorationAndEvaluationAssetsNet_019b6a75-7640-7dac-b329-3bb87317d2d8_verboseLabel_en-US" xlink:label="lab_ero_CapitalExpendituresForMineralPropertyPlantAndEquipmentExplorationAndEvaluationAssetsNet" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Capital expenditures</link:label>
    <link:label id="lab_ero_CapitalExpendituresForMineralPropertyPlantAndEquipmentExplorationAndEvaluationAssetsNet_label_en-US" xlink:label="lab_ero_CapitalExpendituresForMineralPropertyPlantAndEquipmentExplorationAndEvaluationAssetsNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Expenditures For Mineral, Property Plant And Equipment, Exploration And Evaluation Assets, Net</link:label>
    <link:label id="lab_ero_CapitalExpendituresForMineralPropertyPlantAndEquipmentExplorationAndEvaluationAssetsNet_documentation_en-US" xlink:label="lab_ero_CapitalExpendituresForMineralPropertyPlantAndEquipmentExplorationAndEvaluationAssetsNet" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Capital Expenditures For Mineral, Property Plant And Equipment, Exploration And Evaluation Assets, Net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_CapitalExpendituresForMineralPropertyPlantAndEquipmentExplorationAndEvaluationAssetsNet" xlink:href="ero-20251231.xsd#ero_CapitalExpendituresForMineralPropertyPlantAndEquipmentExplorationAndEvaluationAssetsNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_CapitalExpendituresForMineralPropertyPlantAndEquipmentExplorationAndEvaluationAssetsNet" xlink:to="lab_ero_CapitalExpendituresForMineralPropertyPlantAndEquipmentExplorationAndEvaluationAssetsNet" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExercisePriceShareOptionsGranted2019_019b6a75-7640-7f22-a006-66882b6f08ab_terseLabel_en-US" xlink:label="lab_ifrs-full_ExercisePriceShareOptionsGranted2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share price of options exercised (in usd per share)</link:label>
    <link:label id="lab_ifrs-full_ExercisePriceShareOptionsGranted2019_label_en-US" xlink:label="lab_ifrs-full_ExercisePriceShareOptionsGranted2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Exercise price, share options granted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExercisePriceShareOptionsGranted2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ExercisePriceShareOptionsGranted2019"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExercisePriceShareOptionsGranted2019" xlink:to="lab_ifrs-full_ExercisePriceShareOptionsGranted2019" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentProvisionsForEmployeeBenefits_019b6a75-76e4-7b9b-bf1d-60a744365cb6_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentProvisionsForEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payroll and labour related liabilities</link:label>
    <link:label id="lab_ifrs-full_CurrentProvisionsForEmployeeBenefits_label_en-US" xlink:label="lab_ifrs-full_CurrentProvisionsForEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current provisions for employee benefits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentProvisionsForEmployeeBenefits" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentProvisionsForEmployeeBenefits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentProvisionsForEmployeeBenefits" xlink:to="lab_ifrs-full_CurrentProvisionsForEmployeeBenefits" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentContractLiabilities_019b6a75-7640-7af3-bb3e-5912f13958c5_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred revenue</link:label>
    <link:label id="lab_ifrs-full_NoncurrentContractLiabilities_label_en-US" xlink:label="lab_ifrs-full_NoncurrentContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current contract liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentContractLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentContractLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentContractLiabilities" xlink:to="lab_ifrs-full_NoncurrentContractLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_TaxEffectOfChangeInTaxLaw_019b6a75-76e4-7b62-84a3-28025f9c150f_terseLabel_en-US" xlink:label="lab_ero_TaxEffectOfChangeInTaxLaw" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change in tax law</link:label>
    <link:label id="lab_ero_TaxEffectOfChangeInTaxLaw_label_en-US" xlink:label="lab_ero_TaxEffectOfChangeInTaxLaw" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Effect Of Change In Tax Law</link:label>
    <link:label id="lab_ero_TaxEffectOfChangeInTaxLaw_documentation_en-US" xlink:label="lab_ero_TaxEffectOfChangeInTaxLaw" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tax Effect Of Change In Tax Law</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_TaxEffectOfChangeInTaxLaw" xlink:href="ero-20251231.xsd#ero_TaxEffectOfChangeInTaxLaw"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_TaxEffectOfChangeInTaxLaw" xlink:to="lab_ero_TaxEffectOfChangeInTaxLaw" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement_019b6a75-76e5-7351-b22b-56320c2aa3da_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Forfeited</link:label>
    <link:label id="lab_ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement_label_en-US" xlink:label="lab_ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of other equity instruments forfeited in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement" xlink:to="lab_ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of operating segments [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOperatingSegmentsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOperatingSegmentsAbstract" xlink:to="lab_ifrs-full_DisclosureOfOperatingSegmentsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_ProceedsFromExerciseOfOptionsAndWarrants_019b6a75-76e5-781a-918a-b475f3d73588_terseLabel_en-US" xlink:label="lab_ero_ProceedsFromExerciseOfOptionsAndWarrants" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from exercise of stock options</link:label>
    <link:label id="lab_ero_ProceedsFromExerciseOfOptionsAndWarrants_label_en-US" xlink:label="lab_ero_ProceedsFromExerciseOfOptionsAndWarrants" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds From Exercise Of Options And Warrants</link:label>
    <link:label id="lab_ero_ProceedsFromExerciseOfOptionsAndWarrants_documentation_en-US" xlink:label="lab_ero_ProceedsFromExerciseOfOptionsAndWarrants" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Proceeds From Exercise Of Options And Warrants</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_ProceedsFromExerciseOfOptionsAndWarrants" xlink:href="ero-20251231.xsd#ero_ProceedsFromExerciseOfOptionsAndWarrants"/>
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    <link:label id="lab_ifrs-full_SharePremiumMember_019b6a75-7640-722c-add6-f4d9c6d9a902_terseLabel_en-US" xlink:label="lab_ifrs-full_SharePremiumMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity Reserves, Contributed Surplus</link:label>
    <link:label id="lab_ifrs-full_SharePremiumMember_label_en-US" xlink:label="lab_ifrs-full_SharePremiumMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share premium [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SharePremiumMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SharePremiumMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SharePremiumMember" xlink:to="lab_ifrs-full_SharePremiumMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DilutedEarningsLossPerShare_019b6a75-76e4-78be-9716-a5c598e08640_terseLabel_en-US" xlink:label="lab_ifrs-full_DilutedEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Diluted (in usd per share)</link:label>
    <link:label id="lab_ifrs-full_DilutedEarningsLossPerShare_019b6a75-76e4-7181-9aab-6a3446acc877_verboseLabel_en-US" xlink:label="lab_ifrs-full_DilutedEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Diluted net income per share (in usd per share)</link:label>
    <link:label id="lab_ifrs-full_DilutedEarningsLossPerShare_label_en-US" xlink:label="lab_ifrs-full_DilutedEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Diluted earnings (loss) per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DilutedEarningsLossPerShare" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DilutedEarningsLossPerShare"/>
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    <link:label id="lab_ero_DisclosureOfDetailedInformationAboutSupplementalCashFlowTableTextBlock_019b6a75-7640-7489-8c49-54d9fbbdef53_terseLabel_en-US" xlink:label="lab_ero_DisclosureOfDetailedInformationAboutSupplementalCashFlowTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Supplemental Cash Flow Information</link:label>
    <link:label id="lab_ero_DisclosureOfDetailedInformationAboutSupplementalCashFlowTableTextBlock_label_en-US" xlink:label="lab_ero_DisclosureOfDetailedInformationAboutSupplementalCashFlowTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Supplemental Cash Flow [Table Text Block]</link:label>
    <link:label id="lab_ero_DisclosureOfDetailedInformationAboutSupplementalCashFlowTableTextBlock_documentation_en-US" xlink:label="lab_ero_DisclosureOfDetailedInformationAboutSupplementalCashFlowTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Supplemental Cash Flow</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DisclosureOfDetailedInformationAboutSupplementalCashFlowTableTextBlock" xlink:href="ero-20251231.xsd#ero_DisclosureOfDetailedInformationAboutSupplementalCashFlowTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_DisclosureOfDetailedInformationAboutSupplementalCashFlowTableTextBlock" xlink:to="lab_ero_DisclosureOfDetailedInformationAboutSupplementalCashFlowTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_UnusedTaxLossesMember_019b6a75-7640-7c99-b244-46e9aace834d_terseLabel_en-US" xlink:label="lab_ifrs-full_UnusedTaxLossesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-capital losses</link:label>
    <link:label id="lab_ifrs-full_UnusedTaxLossesMember_label_en-US" xlink:label="lab_ifrs-full_UnusedTaxLossesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unused tax losses [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UnusedTaxLossesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_UnusedTaxLossesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UnusedTaxLossesMember" xlink:to="lab_ifrs-full_UnusedTaxLossesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment_019b6a75-7640-7a71-a656-78f8ce9622b3_terseLabel_en-US" xlink:label="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Useful life</link:label>
    <link:label id="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Useful life measured as period of time, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment" xlink:to="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory_019b6a75-76e4-7eb7-a730-e7b5bbc406f4_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Detailed Information on Loans and Borrowings</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about borrowings [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems_019b6a75-76e5-70f9-8475-4822c5611269_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of other provisions [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of other provisions [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfOtherProvisionsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:to="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_BorrowingFacilitiesMaximumBorrowingCapacity_019b6a75-76e4-78db-aa3b-6cf48239e4fd_terseLabel_en-US" xlink:label="lab_ero_BorrowingFacilitiesMaximumBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowing facility size</link:label>
    <link:label id="lab_ero_BorrowingFacilitiesMaximumBorrowingCapacity_label_en-US" xlink:label="lab_ero_BorrowingFacilitiesMaximumBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowing Facilities, Maximum Borrowing Capacity</link:label>
    <link:label id="lab_ero_BorrowingFacilitiesMaximumBorrowingCapacity_documentation_en-US" xlink:label="lab_ero_BorrowingFacilitiesMaximumBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowing Facilities, Maximum Borrowing Capacity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_BorrowingFacilitiesMaximumBorrowingCapacity" xlink:href="ero-20251231.xsd#ero_BorrowingFacilitiesMaximumBorrowingCapacity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_BorrowingFacilitiesMaximumBorrowingCapacity" xlink:to="lab_ero_BorrowingFacilitiesMaximumBorrowingCapacity" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable_019b6a75-7640-7238-a5ff-1bd710689268_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:to="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory_019b6a75-7640-7b90-89d9-3e683e391dee_terseLabel_en-US" xlink:label="lab_ero_DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Material Accounting Policies</link:label>
    <link:label id="lab_ero_DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory_label_en-US" xlink:label="lab_ero_DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of significant accounting policies [text block]</link:label>
    <link:label id="lab_ero_DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory_documentation_en-US" xlink:label="lab_ero_DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The entire disclosure for significant accounting policies applied by the entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory" xlink:href="ero-20251231.xsd#ero_DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory" xlink:to="lab_ero_DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems_019b6a75-7640-77b8-aac4-baf9b0791d6e_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of non-adjusting events after reporting period [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of non-adjusting events after reporting period [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems" xlink:to="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AddressTypeDomain_019b6a75-7640-78f3-8a0b-48b1242d1069_terseLabel_en-US" xlink:label="lab_dei_AddressTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Address Type [Domain]</link:label>
    <link:label id="lab_dei_AddressTypeDomain_label_en-US" xlink:label="lab_dei_AddressTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Address Type [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AddressTypeDomain" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AddressTypeDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AddressTypeDomain" xlink:to="lab_dei_AddressTypeDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_WriteDownsOfExplorationAndEvaluationAssets_019b6a75-76e5-72d5-b2da-652e99fe8f50_negatedTerseLabel_en-US" xlink:label="lab_ero_WriteDownsOfExplorationAndEvaluationAssets" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Write-downs (reversals of write-downs) of property, plant and equipment</link:label>
    <link:label id="lab_ero_WriteDownsOfExplorationAndEvaluationAssets_label_en-US" xlink:label="lab_ero_WriteDownsOfExplorationAndEvaluationAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Write-Downs Of Exploration And Evaluation Assets</link:label>
    <link:label id="lab_ero_WriteDownsOfExplorationAndEvaluationAssets_documentation_en-US" xlink:label="lab_ero_WriteDownsOfExplorationAndEvaluationAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Write-Downs Of Exploration And Evaluation Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_WriteDownsOfExplorationAndEvaluationAssets" xlink:href="ero-20251231.xsd#ero_WriteDownsOfExplorationAndEvaluationAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_WriteDownsOfExplorationAndEvaluationAssets" xlink:to="lab_ero_WriteDownsOfExplorationAndEvaluationAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsLineItems_019b6a75-76e4-7834-b18e-72c681804de0_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of operating segments [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of operating segments [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="lab_ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_AmortizationOfContractLiabilities_019b6a75-7640-75c5-b252-140b752d7860_negatedTerseLabel_en-US" xlink:label="lab_ero_AmortizationOfContractLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Amortization of deferred revenue</link:label>
    <link:label id="lab_ero_AmortizationOfContractLiabilities_019b6a75-7640-7356-8830-5e09d5dbb6bc_terseLabel_en-US" xlink:label="lab_ero_AmortizationOfContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization of deferred revenue</link:label>
    <link:label id="lab_ero_AmortizationOfContractLiabilities_label_en-US" xlink:label="lab_ero_AmortizationOfContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization Of Contract Liabilities</link:label>
    <link:label id="lab_ero_AmortizationOfContractLiabilities_documentation_en-US" xlink:label="lab_ero_AmortizationOfContractLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amortization Of Contract Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_AmortizationOfContractLiabilities" xlink:href="ero-20251231.xsd#ero_AmortizationOfContractLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_AmortizationOfContractLiabilities" xlink:to="lab_ero_AmortizationOfContractLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_NumberOfCommonSharesToBeReceivedInShareBasedPaymentArrangement_019b6a75-7640-7291-acd8-0bf048a360ab_terseLabel_en-US" xlink:label="lab_ero_NumberOfCommonSharesToBeReceivedInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of common shares to be received per unit</link:label>
    <link:label id="lab_ero_NumberOfCommonSharesToBeReceivedInShareBasedPaymentArrangement_label_en-US" xlink:label="lab_ero_NumberOfCommonSharesToBeReceivedInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Common Shares To Be Received In Share-Based Payment Arrangement</link:label>
    <link:label id="lab_ero_NumberOfCommonSharesToBeReceivedInShareBasedPaymentArrangement_documentation_en-US" xlink:label="lab_ero_NumberOfCommonSharesToBeReceivedInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Common Shares To Be Received In Share-Based Payment Arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_NumberOfCommonSharesToBeReceivedInShareBasedPaymentArrangement" xlink:href="ero-20251231.xsd#ero_NumberOfCommonSharesToBeReceivedInShareBasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_NumberOfCommonSharesToBeReceivedInShareBasedPaymentArrangement" xlink:to="lab_ero_NumberOfCommonSharesToBeReceivedInShareBasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_DerivativeWeightedAveragePricePerOunce_019b6a75-76e5-7c6d-90d1-8b8924a7f033_terseLabel_en-US" xlink:label="lab_ero_DerivativeWeightedAveragePricePerOunce" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average price per ounce</link:label>
    <link:label id="lab_ero_DerivativeWeightedAveragePricePerOunce_label_en-US" xlink:label="lab_ero_DerivativeWeightedAveragePricePerOunce" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Weighted Average Price Per Ounce</link:label>
    <link:label id="lab_ero_DerivativeWeightedAveragePricePerOunce_documentation_en-US" xlink:label="lab_ero_DerivativeWeightedAveragePricePerOunce" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Derivative Weighted Average Price Per Ounce</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DerivativeWeightedAveragePricePerOunce" xlink:href="ero-20251231.xsd#ero_DerivativeWeightedAveragePricePerOunce"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_DerivativeWeightedAveragePricePerOunce" xlink:to="lab_ero_DerivativeWeightedAveragePricePerOunce" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_NotesReceivableInstallmentPeriod_019b6a75-7640-7c36-a48c-e59cc100a2e8_terseLabel_en-US" xlink:label="lab_ero_NotesReceivableInstallmentPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Notes receivable, installment period</link:label>
    <link:label id="lab_ero_NotesReceivableInstallmentPeriod_label_en-US" xlink:label="lab_ero_NotesReceivableInstallmentPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes Receivable, Installment Period</link:label>
    <link:label id="lab_ero_NotesReceivableInstallmentPeriod_documentation_en-US" xlink:label="lab_ero_NotesReceivableInstallmentPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Notes Receivable, Installment Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_NotesReceivableInstallmentPeriod" xlink:href="ero-20251231.xsd#ero_NotesReceivableInstallmentPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_NotesReceivableInstallmentPeriod" xlink:to="lab_ero_NotesReceivableInstallmentPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_IncreaseDecreaseThroughExerciseOfOptionsAndWarrantsEquity_019b6a75-76e4-71e6-8e3f-037d081c95c1_terseLabel_en-US" xlink:label="lab_ero_IncreaseDecreaseThroughExerciseOfOptionsAndWarrantsEquity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shares issued for: Exercise of options and warrants</link:label>
    <link:label id="lab_ero_IncreaseDecreaseThroughExerciseOfOptionsAndWarrantsEquity_label_en-US" xlink:label="lab_ero_IncreaseDecreaseThroughExerciseOfOptionsAndWarrantsEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Exercise of Options And Warrants, Equity</link:label>
    <link:label id="lab_ero_IncreaseDecreaseThroughExerciseOfOptionsAndWarrantsEquity_documentation_en-US" xlink:label="lab_ero_IncreaseDecreaseThroughExerciseOfOptionsAndWarrantsEquity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Exercise of Options And Warrants, Equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_IncreaseDecreaseThroughExerciseOfOptionsAndWarrantsEquity" xlink:href="ero-20251231.xsd#ero_IncreaseDecreaseThroughExerciseOfOptionsAndWarrantsEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_IncreaseDecreaseThroughExerciseOfOptionsAndWarrantsEquity" xlink:to="lab_ero_IncreaseDecreaseThroughExerciseOfOptionsAndWarrantsEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_GoldHedgeMember_019b6a75-7640-7b47-8542-a2ce476fa011_terseLabel_en-US" xlink:label="lab_ero_GoldHedgeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gold</link:label>
    <link:label id="lab_ero_GoldHedgeMember_label_en-US" xlink:label="lab_ero_GoldHedgeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gold Hedge [Member]</link:label>
    <link:label id="lab_ero_GoldHedgeMember_documentation_en-US" xlink:label="lab_ero_GoldHedgeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Gold Hedge</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_GoldHedgeMember" xlink:href="ero-20251231.xsd#ero_GoldHedgeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_GoldHedgeMember" xlink:to="lab_ero_GoldHedgeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_CopperMember_019b6a75-76e4-7933-be96-2fcef675eef0_terseLabel_en-US" xlink:label="lab_ero_CopperMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Copper</link:label>
    <link:label id="lab_ero_CopperMember_label_en-US" xlink:label="lab_ero_CopperMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Copper [Member]</link:label>
    <link:label id="lab_ero_CopperMember_documentation_en-US" xlink:label="lab_ero_CopperMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Copper</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_CopperMember" xlink:href="ero-20251231.xsd#ero_CopperMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_CopperMember" xlink:to="lab_ero_CopperMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipmentMember_019b6a75-7640-7fa8-be50-278635ae5f08_terseLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, plant and equipment [member]</link:label>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipmentMember_label_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, plant and equipment [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PropertyPlantAndEquipmentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PropertyPlantAndEquipmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PropertyPlantAndEquipmentMember" xlink:to="lab_ifrs-full_PropertyPlantAndEquipmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossFromOperatingActivities_019b6a75-76e5-7680-8dfd-18daed739e5e_totalLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossFromOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Operating Income</link:label>
    <link:label id="lab_ifrs-full_ProfitLossFromOperatingActivities_019ca0b9-fef2-795c-93f7-a2441f90360e_verboseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossFromOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Operating income (loss)</link:label>
    <link:label id="lab_ifrs-full_ProfitLossFromOperatingActivities_label_en-US" xlink:label="lab_ifrs-full_ProfitLossFromOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss) from operating activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossFromOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossFromOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossFromOperatingActivities" xlink:to="lab_ifrs-full_ProfitLossFromOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities_019b6a75-7640-78c0-bd55-8e9bc6adce0d_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Income taxes paid</link:label>
    <link:label id="lab_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities_label_en-US" xlink:label="lab_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income taxes paid (refund), classified as operating activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:to="lab_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis_019b6a75-7640-7033-a15d-1c9be8d9c32a_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of property, plant and equipment [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of property, plant and equipment [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:to="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinanceCosts_019b6a75-76e4-7a31-84c9-8de389abeb44_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_FinanceCosts" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Finance expense</link:label>
    <link:label id="lab_ifrs-full_FinanceCosts_019b6a75-76e4-7b67-8a19-2fd73671d97b_terseLabel_en-US" xlink:label="lab_ifrs-full_FinanceCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finance expenses</link:label>
    <link:label id="lab_ifrs-full_FinanceCosts_019b6a75-76e4-7d37-a42f-9ab7ffa426a5_verboseLabel_en-US" xlink:label="lab_ifrs-full_FinanceCosts" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Finance costs</link:label>
    <link:label id="lab_ifrs-full_FinanceCosts_019b6a75-76e4-722f-9316-0ba5ae5440be_totalLabel_en-US" xlink:label="lab_ifrs-full_FinanceCosts" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Finance expense</link:label>
    <link:label id="lab_ifrs-full_FinanceCosts_label_en-US" xlink:label="lab_ifrs-full_FinanceCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finance costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinanceCosts" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinanceCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinanceCosts" xlink:to="lab_ifrs-full_FinanceCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory_019b6a75-7640-747f-a423-a2eb2be0381a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remuneration of Key Management Personnel</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of transactions between related parties [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract_019b6a75-7640-703a-b6f2-a62402f7c8b7_terseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash Flows used in Investing Activities</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) investing activities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:to="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfProvisionsAxis_019b6a75-7640-7579-9db2-3c0c5c2c0faa_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfProvisionsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of other provisions [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfProvisionsAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfProvisionsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of other provisions [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfProvisionsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfProvisionsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfProvisionsAxis" xlink:to="lab_ifrs-full_ClassesOfProvisionsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent_019b6a75-76e5-7c24-b619-69c23aba6282_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Owners of the Company</link:label>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent_019b6a75-76e5-766b-8d04-9e5cca96b40e_verboseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Net income (loss) attributable to owners of the Company</link:label>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent_label_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss), attributable to owners of parent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossAttributableToOwnersOfParent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:to="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_LocalPhoneNumber_019b6a75-7640-7540-995a-d4d882557f3d_terseLabel_en-US" xlink:label="lab_dei_LocalPhoneNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Local Phone Number</link:label>
    <link:label id="lab_dei_LocalPhoneNumber_label_en-US" xlink:label="lab_dei_LocalPhoneNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Local Phone Number</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LocalPhoneNumber"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_LocalPhoneNumber" xlink:to="lab_dei_LocalPhoneNumber" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_NotesReceivableStatedInterestRate_019b6a75-7640-795f-9278-370753fea35b_terseLabel_en-US" xlink:label="lab_ero_NotesReceivableStatedInterestRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Notes receivable, interest rate</link:label>
    <link:label id="lab_ero_NotesReceivableStatedInterestRate_label_en-US" xlink:label="lab_ero_NotesReceivableStatedInterestRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes Receivable Stated Interest Rate</link:label>
    <link:label id="lab_ero_NotesReceivableStatedInterestRate_documentation_en-US" xlink:label="lab_ero_NotesReceivableStatedInterestRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Notes Receivable Stated Interest Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_NotesReceivableStatedInterestRate" xlink:href="ero-20251231.xsd#ero_NotesReceivableStatedInterestRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_NotesReceivableStatedInterestRate" xlink:to="lab_ero_NotesReceivableStatedInterestRate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeferredTaxLiabilityAsset_019b6a75-7640-7c8c-a6af-6cbd53cd8230_negatedPeriodStartLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:type="resource" xml:lang="en-US">At the beginning of the year</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxLiabilityAsset_019b6a75-7640-7cbd-bd11-8940ee4a0f0c_negatedPeriodEndLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:type="resource" xml:lang="en-US">At the end of the year</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxLiabilityAsset_019b6a75-7640-7bc7-b3ff-18446cd46755_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Deferred tax liability (asset)</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxLiabilityAsset_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred tax liability (asset)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxLiabilityAsset" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DeferredTaxLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxLiabilityAsset" xlink:to="lab_ifrs-full_DeferredTaxLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TangibleExplorationAndEvaluationAssets_019b6a75-76e5-7b6b-8bdc-8dbc9b027865_terseLabel_en-US" xlink:label="lab_ifrs-full_TangibleExplorationAndEvaluationAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exploration and evaluation assets</link:label>
    <link:label id="lab_ifrs-full_TangibleExplorationAndEvaluationAssets_label_en-US" xlink:label="lab_ifrs-full_TangibleExplorationAndEvaluationAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tangible exploration and evaluation assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TangibleExplorationAndEvaluationAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TangibleExplorationAndEvaluationAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TangibleExplorationAndEvaluationAssets" xlink:to="lab_ifrs-full_TangibleExplorationAndEvaluationAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_019b6a75-7640-77c5-81ee-1ff0d7ae79f5_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Lease liability payments</link:label>
    <link:label id="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments of lease liabilities, classified as financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PurchaseOfExplorationAndEvaluationAssets_019b6a75-76e4-7eb8-9fc0-c430ef400658_negatedLabel_en-US" xlink:label="lab_ifrs-full_PurchaseOfExplorationAndEvaluationAssets" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Additions to exploration and evaluation assets</link:label>
    <link:label id="lab_ifrs-full_PurchaseOfExplorationAndEvaluationAssets_019b6a75-76e4-7cea-a44f-396223e136d9_terseLabel_en-US" xlink:label="lab_ifrs-full_PurchaseOfExplorationAndEvaluationAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Purchase of exploration and evaluation assets</link:label>
    <link:label id="lab_ifrs-full_PurchaseOfExplorationAndEvaluationAssets_label_en-US" xlink:label="lab_ifrs-full_PurchaseOfExplorationAndEvaluationAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase of exploration and evaluation assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PurchaseOfExplorationAndEvaluationAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PurchaseOfExplorationAndEvaluationAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PurchaseOfExplorationAndEvaluationAssets" xlink:to="lab_ifrs-full_PurchaseOfExplorationAndEvaluationAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfInventoriesExplanatory_019b6a75-7640-7858-889f-2998033d427d_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInventoriesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventories</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfInventoriesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInventoriesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of inventories [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInventoriesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfInventoriesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInventoriesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfInventoriesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_FinancingCostsRelatedTemporaryDifferencesMember_019b6a75-7640-7faa-bd81-3bb1f840902d_terseLabel_en-US" xlink:label="lab_ero_FinancingCostsRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financing fees and other</link:label>
    <link:label id="lab_ero_FinancingCostsRelatedTemporaryDifferencesMember_label_en-US" xlink:label="lab_ero_FinancingCostsRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Costs Related Temporary Differences [Member]</link:label>
    <link:label id="lab_ero_FinancingCostsRelatedTemporaryDifferencesMember_documentation_en-US" xlink:label="lab_ero_FinancingCostsRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Costs Related Temporary Differences</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_FinancingCostsRelatedTemporaryDifferencesMember" xlink:href="ero-20251231.xsd#ero_FinancingCostsRelatedTemporaryDifferencesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_FinancingCostsRelatedTemporaryDifferencesMember" xlink:to="lab_ero_FinancingCostsRelatedTemporaryDifferencesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_NumberOfSharesSettledPerformanceShareUnits_019b6a75-7640-7c4a-ac0a-ff0f27b7eaa6_terseLabel_en-US" xlink:label="lab_ero_NumberOfSharesSettledPerformanceShareUnits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Settlement of performance share units (in shares)</link:label>
    <link:label id="lab_ero_NumberOfSharesSettledPerformanceShareUnits_label_en-US" xlink:label="lab_ero_NumberOfSharesSettledPerformanceShareUnits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Shares, Settled, Performance Share Units</link:label>
    <link:label id="lab_ero_NumberOfSharesSettledPerformanceShareUnits_documentation_en-US" xlink:label="lab_ero_NumberOfSharesSettledPerformanceShareUnits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of Shares, Settled, Performance Share Units</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_NumberOfSharesSettledPerformanceShareUnits" xlink:href="ero-20251231.xsd#ero_NumberOfSharesSettledPerformanceShareUnits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_NumberOfSharesSettledPerformanceShareUnits" xlink:to="lab_ero_NumberOfSharesSettledPerformanceShareUnits" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments_019b6a75-7640-7eb1-88ed-216d596c64f3_terseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Purchase of short-term investments</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) decrease (increase) in short-term deposits and investments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments" xlink:to="lab_ifrs-full_CashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LongtermBorrowings_019b6a75-7640-7e20-a670-233e2296f4c4_terseLabel_en-US" xlink:label="lab_ifrs-full_LongtermBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and borrowings</link:label>
    <link:label id="lab_ifrs-full_LongtermBorrowings_019b6a75-7640-7759-aadc-423fb30b29d5_verboseLabel_en-US" xlink:label="lab_ifrs-full_LongtermBorrowings" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Non-current portion</link:label>
    <link:label id="lab_ifrs-full_LongtermBorrowings_label_en-US" xlink:label="lab_ifrs-full_LongtermBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current portion of non-current borrowings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LongtermBorrowings" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LongtermBorrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LongtermBorrowings" xlink:to="lab_ifrs-full_LongtermBorrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities_019b6a75-7640-710d-8aee-d89018bad7a5_totalLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Cash flows (used in)/from financing activities</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentLeaseLiabilities_019b6a75-7640-765b-b4ed-a32fedf4882c_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease liabilities</link:label>
    <link:label id="lab_ifrs-full_NoncurrentLeaseLiabilities_label_en-US" xlink:label="lab_ifrs-full_NoncurrentLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current lease liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentLeaseLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentLeaseLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentLeaseLiabilities" xlink:to="lab_ifrs-full_NoncurrentLeaseLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentAssetsAbstract_019b6a75-76e4-71b4-92cd-ad0b25061e93_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-Current</link:label>
    <link:label id="lab_ifrs-full_NoncurrentAssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_NoncurrentAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current assets [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentAssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentAssetsAbstract" xlink:to="lab_ifrs-full_NoncurrentAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory_019b6a75-76e5-79ed-b329-ff2bfb3be66f_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts Payable and Accrued Liabilities</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of trade and other payables [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LiabilitiesFromSharebasedPaymentTransactions2011_019b6a75-76e5-79a0-9047-af87852aeb34_terseLabel_en-US" xlink:label="lab_ifrs-full_LiabilitiesFromSharebasedPaymentTransactions2011" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash-settled equity awards (Note 15(b))</link:label>
    <link:label id="lab_ifrs-full_LiabilitiesFromSharebasedPaymentTransactions2011_label_en-US" xlink:label="lab_ifrs-full_LiabilitiesFromSharebasedPaymentTransactions2011" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities from share-based payment transactions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LiabilitiesFromSharebasedPaymentTransactions2011" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LiabilitiesFromSharebasedPaymentTransactions2011"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiabilitiesFromSharebasedPaymentTransactions2011" xlink:to="lab_ifrs-full_LiabilitiesFromSharebasedPaymentTransactions2011" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EquityAbstract_019b6a75-7640-704a-8288-1c058f6bb23a_terseLabel_en-US" xlink:label="lab_ifrs-full_EquityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SHAREHOLDERS&#8217; EQUITY</link:label>
    <link:label id="lab_ifrs-full_EquityAbstract_label_en-US" xlink:label="lab_ifrs-full_EquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EquityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAbstract" xlink:to="lab_ifrs-full_EquityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentAssets_019b6a75-7640-7135-90ba-4bb9721d800a_totalLabel_en-US" xlink:label="lab_ifrs-full_CurrentAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total current assets</link:label>
    <link:label id="lab_ifrs-full_CurrentAssets_019b6a75-7640-7d15-bd08-0f845e0fe673_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total current assets</link:label>
    <link:label id="lab_ifrs-full_CurrentAssets_label_en-US" xlink:label="lab_ifrs-full_CurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentAssets" xlink:to="lab_ifrs-full_CurrentAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_NotesReceivableIFRSMember_019b6a75-76e4-77ba-93e7-db3ba90a1f10_verboseLabel_en-US" xlink:label="lab_ero_NotesReceivableIFRSMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Note receivables</link:label>
    <link:label id="lab_ero_NotesReceivableIFRSMember_label_en-US" xlink:label="lab_ero_NotesReceivableIFRSMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes Receivable IFRS [Member]</link:label>
    <link:label id="lab_ero_NotesReceivableIFRSMember_documentation_en-US" xlink:label="lab_ero_NotesReceivableIFRSMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Notes Receivable IFRS</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_NotesReceivableIFRSMember" xlink:href="ero-20251231.xsd#ero_NotesReceivableIFRSMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_NotesReceivableIFRSMember" xlink:to="lab_ero_NotesReceivableIFRSMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis_019b6a75-76e5-725b-82e7-2136a2125b51_terseLabel_en-US" xlink:label="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Temporary difference, unused tax losses and unused tax credits [axis]</link:label>
    <link:label id="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis_label_en-US" xlink:label="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Temporary difference, unused tax losses and unused tax credits [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:to="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_ConcentrateSalesMember_019ca4af-70bb-7cc1-a67d-709d8a33c1b8_terseLabel_en-US" xlink:label="lab_ero_ConcentrateSalesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Concentrate Sales</link:label>
    <link:label id="lab_ero_ConcentrateSalesMember_label_en-US" xlink:label="lab_ero_ConcentrateSalesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Concentrate Sales [Member]</link:label>
    <link:label id="lab_ero_ConcentrateSalesMember_documentation_en-US" xlink:label="lab_ero_ConcentrateSalesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Concentrate Sales</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_ConcentrateSalesMember" xlink:href="ero-20251231.xsd#ero_ConcentrateSalesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_ConcentrateSalesMember" xlink:to="lab_ero_ConcentrateSalesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory_019b6a75-76e4-737f-afcb-9a32f7f45d81_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Current Assets</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of other current assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement_019b6a75-76e5-7a1b-93c4-7a4df10acc92_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Number of Stock Options Exercised (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement_label_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of share options exercised in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:to="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted_019b6a75-76e5-771d-9483-2e26917f5aff_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issued</link:label>
    <link:label id="lab_ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted_019b6a75-76e5-77d4-9997-1ac3ac65a2d5_verboseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Number of shares issued</link:label>
    <link:label id="lab_ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted_label_en-US" xlink:label="lab_ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of other equity instruments granted in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xlink:to="lab_ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory_019b6a75-7640-70ea-918d-74ab05b9b627_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subsequent events</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of events after reporting period [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:to="lab_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProductsAndServicesDomain_019b6a75-7640-7c9a-9516-691562e2a93d_terseLabel_en-US" xlink:label="lab_ifrs-full_ProductsAndServicesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Products and services [domain]</link:label>
    <link:label id="lab_ifrs-full_ProductsAndServicesDomain_label_en-US" xlink:label="lab_ifrs-full_ProductsAndServicesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Products and services [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProductsAndServicesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProductsAndServicesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProductsAndServicesDomain" xlink:to="lab_ifrs-full_ProductsAndServicesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinanceCostExplanatory_019b6a75-76e4-77ca-ad49-be3237b7a0d2_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinanceCostExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finance Expense</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinanceCostExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinanceCostExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of finance cost [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinanceCostExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFinanceCostExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinanceCostExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFinanceCostExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_IncomeTaxesAbstract_019b6a75-76e4-78a8-8f0d-7104266dd880_terseLabel_en-US" xlink:label="lab_ero_IncomeTaxesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Taxes [Abstract]</link:label>
    <link:label id="lab_ero_IncomeTaxesAbstract_label_en-US" xlink:label="lab_ero_IncomeTaxesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Taxes [Abstract]</link:label>
    <link:label id="lab_ero_IncomeTaxesAbstract_documentation_en-US" xlink:label="lab_ero_IncomeTaxesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income Taxes [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_IncomeTaxesAbstract" xlink:href="ero-20251231.xsd#ero_IncomeTaxesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_IncomeTaxesAbstract" xlink:to="lab_ero_IncomeTaxesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentRawMaterialsAndCurrentProductionSupplies_019b6a75-7640-7818-a1c3-e96c76bf3b51_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentRawMaterialsAndCurrentProductionSupplies" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Supplies and consumables</link:label>
    <link:label id="lab_ifrs-full_CurrentRawMaterialsAndCurrentProductionSupplies_label_en-US" xlink:label="lab_ifrs-full_CurrentRawMaterialsAndCurrentProductionSupplies" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current raw materials and current production supplies</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentRawMaterialsAndCurrentProductionSupplies" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentRawMaterialsAndCurrentProductionSupplies"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentRawMaterialsAndCurrentProductionSupplies" xlink:to="lab_ifrs-full_CurrentRawMaterialsAndCurrentProductionSupplies" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_ContractWithCustomerLiabilityIncreaseDecrease_019b6a75-76e4-7c5d-bf48-a22d354c3b94_verboseLabel_en-US" xlink:label="lab_ero_ContractWithCustomerLiabilityIncreaseDecrease" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Deferred revenue</link:label>
    <link:label id="lab_ero_ContractWithCustomerLiabilityIncreaseDecrease_label_en-US" xlink:label="lab_ero_ContractWithCustomerLiabilityIncreaseDecrease" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contract with Customer, Liability, Increase (Decrease)</link:label>
    <link:label id="lab_ero_ContractWithCustomerLiabilityIncreaseDecrease_documentation_en-US" xlink:label="lab_ero_ContractWithCustomerLiabilityIncreaseDecrease" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contract with Customer, Liability, Increase (Decrease)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_ContractWithCustomerLiabilityIncreaseDecrease" xlink:href="ero-20251231.xsd#ero_ContractWithCustomerLiabilityIncreaseDecrease"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_ContractWithCustomerLiabilityIncreaseDecrease" xlink:to="lab_ero_ContractWithCustomerLiabilityIncreaseDecrease" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialAssetsDomain_019b6a75-76e5-7635-a810-b9f4d15cf3d0_terseLabel_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Categories of financial assets [domain]</link:label>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialAssetsDomain_label_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Categories of financial assets [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CategoriesOfFinancialAssetsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:to="lab_ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityEmergingGrowthCompany_019b6a75-7640-7c42-a3c5-ab87e9db26a8_terseLabel_en-US" xlink:label="lab_dei_EntityEmergingGrowthCompany" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Emerging Growth Company</link:label>
    <link:label id="lab_dei_EntityEmergingGrowthCompany_label_en-US" xlink:label="lab_dei_EntityEmergingGrowthCompany" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Emerging Growth Company</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityEmergingGrowthCompany" xlink:to="lab_dei_EntityEmergingGrowthCompany" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_RangeOneOfExercisePricesForOutstandingShareOptionsMember_019b6a75-76e5-7dfa-b1e8-30d4f6cd8a98_terseLabel_en-US" xlink:label="lab_ero_RangeOneOfExercisePricesForOutstandingShareOptionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$10.01 to $20.00 CAD</link:label>
    <link:label id="lab_ero_RangeOneOfExercisePricesForOutstandingShareOptionsMember_label_en-US" xlink:label="lab_ero_RangeOneOfExercisePricesForOutstandingShareOptionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Range one of exercise prices for outstanding share options [Member]</link:label>
    <link:label id="lab_ero_RangeOneOfExercisePricesForOutstandingShareOptionsMember_documentation_en-US" xlink:label="lab_ero_RangeOneOfExercisePricesForOutstandingShareOptionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Range one of exercise prices for outstanding share options</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_RangeOneOfExercisePricesForOutstandingShareOptionsMember" xlink:href="ero-20251231.xsd#ero_RangeOneOfExercisePricesForOutstandingShareOptionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_RangeOneOfExercisePricesForOutstandingShareOptionsMember" xlink:to="lab_ero_RangeOneOfExercisePricesForOutstandingShareOptionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_SeniorCreditFacilityMember_019b6a75-76e4-7ee2-9b0e-c4a8f1e73183_terseLabel_en-US" xlink:label="lab_ero_SeniorCreditFacilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Senior Credit Facility</link:label>
    <link:label id="lab_ero_SeniorCreditFacilityMember_label_en-US" xlink:label="lab_ero_SeniorCreditFacilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior Credit Facility [Member]</link:label>
    <link:label id="lab_ero_SeniorCreditFacilityMember_documentation_en-US" xlink:label="lab_ero_SeniorCreditFacilityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Senior Credit Facility</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_SeniorCreditFacilityMember" xlink:href="ero-20251231.xsd#ero_SeniorCreditFacilityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_SeniorCreditFacilityMember" xlink:to="lab_ero_SeniorCreditFacilityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_ProceedsFromShortTermInvestmentsAndInterestReceived_019b6a75-76e4-7d38-a160-1af65f3c94cd_terseLabel_en-US" xlink:label="lab_ero_ProceedsFromShortTermInvestmentsAndInterestReceived" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from interest received</link:label>
    <link:label id="lab_ero_ProceedsFromShortTermInvestmentsAndInterestReceived_label_en-US" xlink:label="lab_ero_ProceedsFromShortTermInvestmentsAndInterestReceived" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from short-term investments and interest received</link:label>
    <link:label id="lab_ero_ProceedsFromShortTermInvestmentsAndInterestReceived_documentation_en-US" xlink:label="lab_ero_ProceedsFromShortTermInvestmentsAndInterestReceived" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Proceeds from short-term investments and interest received</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_ProceedsFromShortTermInvestmentsAndInterestReceived" xlink:href="ero-20251231.xsd#ero_ProceedsFromShortTermInvestmentsAndInterestReceived"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_ProceedsFromShortTermInvestmentsAndInterestReceived" xlink:to="lab_ero_ProceedsFromShortTermInvestmentsAndInterestReceived" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_DeferredFinancingCostsNettingMember_019b6a75-7640-706e-9424-44b8bfd1c194_terseLabel_en-US" xlink:label="lab_ero_DeferredFinancingCostsNettingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred finance costs</link:label>
    <link:label id="lab_ero_DeferredFinancingCostsNettingMember_label_en-US" xlink:label="lab_ero_DeferredFinancingCostsNettingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Financing Costs Netting [Member]</link:label>
    <link:label id="lab_ero_DeferredFinancingCostsNettingMember_documentation_en-US" xlink:label="lab_ero_DeferredFinancingCostsNettingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred Financing Costs Netting</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DeferredFinancingCostsNettingMember" xlink:href="ero-20251231.xsd#ero_DeferredFinancingCostsNettingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_DeferredFinancingCostsNettingMember" xlink:to="lab_ero_DeferredFinancingCostsNettingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOtherNoncurrentLiabilitiesExplanatory_019b6a75-7640-783f-8706-460a8996321e_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherNoncurrentLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Non-current Liabilities</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOtherNoncurrentLiabilitiesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherNoncurrentLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of other non-current liabilities [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherNoncurrentLiabilitiesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfOtherNoncurrentLiabilitiesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherNoncurrentLiabilitiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfOtherNoncurrentLiabilitiesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_BusinessContactMember_019b6a75-7640-732d-a0df-f8188bf60b61_terseLabel_en-US" xlink:label="lab_dei_BusinessContactMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Contact</link:label>
    <link:label id="lab_dei_BusinessContactMember_label_en-US" xlink:label="lab_dei_BusinessContactMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Contact [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_BusinessContactMember" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_BusinessContactMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_BusinessContactMember" xlink:to="lab_dei_BusinessContactMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityCentralIndexKey_019b6a75-7640-735f-9988-0ba9b6ec85d1_terseLabel_en-US" xlink:label="lab_dei_EntityCentralIndexKey" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Central Index Key</link:label>
    <link:label id="lab_dei_EntityCentralIndexKey_label_en-US" xlink:label="lab_dei_EntityCentralIndexKey" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Central Index Key</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityCentralIndexKey"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCentralIndexKey" xlink:to="lab_dei_EntityCentralIndexKey" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisposalsPropertyPlantAndEquipment_019b6a75-7640-7214-8942-e99705afcb12_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_DisposalsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Disposals</link:label>
    <link:label id="lab_ifrs-full_DisposalsPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_DisposalsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disposals, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisposalsPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisposalsPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisposalsPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_DisposalsPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SegmentsAxis_019b6a75-76e5-78d5-a1a3-ac0bb21757ca_terseLabel_en-US" xlink:label="lab_ifrs-full_SegmentsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segments [axis]</link:label>
    <link:label id="lab_ifrs-full_SegmentsAxis_label_en-US" xlink:label="lab_ifrs-full_SegmentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segments [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SegmentsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SegmentsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SegmentsAxis" xlink:to="lab_ifrs-full_SegmentsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SignificantInvestmentsInSubsidiariesAxis_019b6a75-76e4-7c4f-8c64-a6bee4b50e59_terseLabel_en-US" xlink:label="lab_ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subsidiaries [axis]</link:label>
    <link:label id="lab_ifrs-full_SignificantInvestmentsInSubsidiariesAxis_label_en-US" xlink:label="lab_ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsidiaries [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SignificantInvestmentsInSubsidiariesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:to="lab_ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_DisclosureOfMaturityAnalysisForNonDerivativeFinancialLiabilitiesTableTextBlock_019b6a75-7640-7674-bddd-a44ca38aad31_terseLabel_en-US" xlink:label="lab_ero_DisclosureOfMaturityAnalysisForNonDerivativeFinancialLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity of Non-Derivative Financial Liabilities</link:label>
    <link:label id="lab_ero_DisclosureOfMaturityAnalysisForNonDerivativeFinancialLiabilitiesTableTextBlock_label_en-US" xlink:label="lab_ero_DisclosureOfMaturityAnalysisForNonDerivativeFinancialLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of maturity analysis for non-derivative financial liabilities [Table Text Block]</link:label>
    <link:label id="lab_ero_DisclosureOfMaturityAnalysisForNonDerivativeFinancialLiabilitiesTableTextBlock_documentation_en-US" xlink:label="lab_ero_DisclosureOfMaturityAnalysisForNonDerivativeFinancialLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of maturity analysis for non-derivative financial liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DisclosureOfMaturityAnalysisForNonDerivativeFinancialLiabilitiesTableTextBlock" xlink:href="ero-20251231.xsd#ero_DisclosureOfMaturityAnalysisForNonDerivativeFinancialLiabilitiesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_DisclosureOfMaturityAnalysisForNonDerivativeFinancialLiabilitiesTableTextBlock" xlink:to="lab_ero_DisclosureOfMaturityAnalysisForNonDerivativeFinancialLiabilitiesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory_019b6a75-7640-7df1-bc09-e661e4c3d14e_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leases</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for leases [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory_019b6a75-76e4-7f0b-9bf3-c3d1174f6bb5_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mineral, Property, Plant and Equipment</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of property, plant and equipment [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:to="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_NotesReceivable_019b6a75-7640-7bfc-a5bf-0facec84ae08_terseLabel_en-US" xlink:label="lab_ero_NotesReceivable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Note receivable (Note 23)</link:label>
    <link:label id="lab_ero_NotesReceivable_label_en-US" xlink:label="lab_ero_NotesReceivable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes Receivable</link:label>
    <link:label id="lab_ero_NotesReceivable_documentation_en-US" xlink:label="lab_ero_NotesReceivable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Notes Receivable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_NotesReceivable" xlink:href="ero-20251231.xsd#ero_NotesReceivable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_NotesReceivable" xlink:to="lab_ero_NotesReceivable" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_Through2024Member_019b6a75-7640-7d56-a525-8dadb794c779_terseLabel_en-US" xlink:label="lab_ero_Through2024Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Through End of 2024</link:label>
    <link:label id="lab_ero_Through2024Member_label_en-US" xlink:label="lab_ero_Through2024Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Through 2024 [Member]</link:label>
    <link:label id="lab_ero_Through2024Member_documentation_en-US" xlink:label="lab_ero_Through2024Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Through 2024</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_Through2024Member" xlink:href="ero-20251231.xsd#ero_Through2024Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_Through2024Member" xlink:to="lab_ero_Through2024Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_DisclosureOfDetailedInformationAboutClassificationAndMeasurementOfFinancialAssetsAndLiabilitiesTableTextBlock_019b6a75-7640-7f21-b56c-5a5bb6921004_terseLabel_en-US" xlink:label="lab_ero_DisclosureOfDetailedInformationAboutClassificationAndMeasurementOfFinancialAssetsAndLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classification and Measurement of Financial Assets and Liabilities Under IFRS 9</link:label>
    <link:label id="lab_ero_DisclosureOfDetailedInformationAboutClassificationAndMeasurementOfFinancialAssetsAndLiabilitiesTableTextBlock_label_en-US" xlink:label="lab_ero_DisclosureOfDetailedInformationAboutClassificationAndMeasurementOfFinancialAssetsAndLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Classification And Measurement Of Financial Assets And Liabilities [Table Text Block]</link:label>
    <link:label id="lab_ero_DisclosureOfDetailedInformationAboutClassificationAndMeasurementOfFinancialAssetsAndLiabilitiesTableTextBlock_documentation_en-US" xlink:label="lab_ero_DisclosureOfDetailedInformationAboutClassificationAndMeasurementOfFinancialAssetsAndLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Classification And Measurement Of Financial Assets And Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DisclosureOfDetailedInformationAboutClassificationAndMeasurementOfFinancialAssetsAndLiabilitiesTableTextBlock" xlink:href="ero-20251231.xsd#ero_DisclosureOfDetailedInformationAboutClassificationAndMeasurementOfFinancialAssetsAndLiabilitiesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_DisclosureOfDetailedInformationAboutClassificationAndMeasurementOfFinancialAssetsAndLiabilitiesTableTextBlock" xlink:to="lab_ero_DisclosureOfDetailedInformationAboutClassificationAndMeasurementOfFinancialAssetsAndLiabilitiesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipment_019b6a75-76e5-7b02-9556-bcfd0f6e8ee6_terseLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mineral properties, plant and equipment</link:label>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipment_019b6a75-76e5-74bc-ae8e-b5a1c919c631_periodStartLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balance at beginning of period</link:label>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipment_019b6a75-76e5-794c-b539-79c790510a20_periodEndLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balance at end of period</link:label>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="lab_ifrs-full_PropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_NoncurrentDividendsPayableToNoncontrollingInterest_019ca5b5-cab0-74af-934d-66b16538bc71_terseLabel_en-US" xlink:label="lab_ero_NoncurrentDividendsPayableToNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dividends payable to non-controlling interest</link:label>
    <link:label id="lab_ero_NoncurrentDividendsPayableToNoncontrollingInterest_label_en-US" xlink:label="lab_ero_NoncurrentDividendsPayableToNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Noncurrent Dividends Payable To Noncontrolling Interest</link:label>
    <link:label id="lab_ero_NoncurrentDividendsPayableToNoncontrollingInterest_documentation_en-US" xlink:label="lab_ero_NoncurrentDividendsPayableToNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Noncurrent Dividends Payable To Noncontrolling Interest</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_NoncurrentDividendsPayableToNoncontrollingInterest" xlink:href="ero-20251231.xsd#ero_NoncurrentDividendsPayableToNoncontrollingInterest"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_NoncurrentDividendsPayableToNoncontrollingInterest" xlink:to="lab_ero_NoncurrentDividendsPayableToNoncontrollingInterest" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CommodityPriceRiskMember_019b6a75-7640-72c8-9272-45f9b0437e14_terseLabel_en-US" xlink:label="lab_ifrs-full_CommodityPriceRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commodity price risk</link:label>
    <link:label id="lab_ifrs-full_CommodityPriceRiskMember_label_en-US" xlink:label="lab_ifrs-full_CommodityPriceRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commodity price risk [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CommodityPriceRiskMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CommodityPriceRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CommodityPriceRiskMember" xlink:to="lab_ifrs-full_CommodityPriceRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BorrowingsInterestRate_019b6a75-7640-7ddb-bd8f-7443e7ce0b87_verboseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingsInterestRate" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Coupon rate</link:label>
    <link:label id="lab_ifrs-full_BorrowingsInterestRate_019b6a75-7640-71b7-b993-2f71037cd72e_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingsInterestRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest rate (as a percent)</link:label>
    <link:label id="lab_ifrs-full_BorrowingsInterestRate_label_en-US" xlink:label="lab_ifrs-full_BorrowingsInterestRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings, interest rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingsInterestRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BorrowingsInterestRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsInterestRate" xlink:to="lab_ifrs-full_BorrowingsInterestRate" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_DilutiveEffectOfShareUnitsOnNumberOfOrdinaryShares_019b6a75-7640-73a0-97df-21e93ced61b0_terseLabel_en-US" xlink:label="lab_ero_DilutiveEffectOfShareUnitsOnNumberOfOrdinaryShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dilutive effects of Share units (in shares)</link:label>
    <link:label id="lab_ero_DilutiveEffectOfShareUnitsOnNumberOfOrdinaryShares_label_en-US" xlink:label="lab_ero_DilutiveEffectOfShareUnitsOnNumberOfOrdinaryShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dilutive Effect Of Share Units On Number Of Ordinary Shares</link:label>
    <link:label id="lab_ero_DilutiveEffectOfShareUnitsOnNumberOfOrdinaryShares_documentation_en-US" xlink:label="lab_ero_DilutiveEffectOfShareUnitsOnNumberOfOrdinaryShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Dilutive Effect Of Share Units On Number Of Ordinary Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DilutiveEffectOfShareUnitsOnNumberOfOrdinaryShares" xlink:href="ero-20251231.xsd#ero_DilutiveEffectOfShareUnitsOnNumberOfOrdinaryShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_DilutiveEffectOfShareUnitsOnNumberOfOrdinaryShares" xlink:to="lab_ero_DilutiveEffectOfShareUnitsOnNumberOfOrdinaryShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentAssetsAbstract_019b6a75-76e4-7c72-9213-029c203243eb_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_ifrs-full_CurrentAssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_CurrentAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current assets [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentAssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentAssetsAbstract" xlink:to="lab_ifrs-full_CurrentAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfContingentLiabilitiesDomain_019b6a75-76e4-7aeb-8db5-bcc3767e6667_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of contingent liabilities [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfContingentLiabilitiesDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of contingent liabilities [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfContingentLiabilitiesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:to="lab_ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfCreditRiskExposureTable_019b6a75-7640-7a97-91c1-d297377e14e4_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfCreditRiskExposureTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of credit risk exposure [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfCreditRiskExposureTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfCreditRiskExposureTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of credit risk exposure [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfCreditRiskExposureTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfCreditRiskExposureTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfCreditRiskExposureTable" xlink:to="lab_ifrs-full_DisclosureOfCreditRiskExposureTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LongtermLegalProceedingsProvision_019b6a75-76e4-744a-90b8-33c9bc402733_terseLabel_en-US" xlink:label="lab_ifrs-full_LongtermLegalProceedingsProvision" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision</link:label>
    <link:label id="lab_ifrs-full_LongtermLegalProceedingsProvision_019b6a75-76e4-7ba5-8f35-c5a324ece86e_verboseLabel_en-US" xlink:label="lab_ifrs-full_LongtermLegalProceedingsProvision" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Non-current legal proceedings provision</link:label>
    <link:label id="lab_ifrs-full_LongtermLegalProceedingsProvision_label_en-US" xlink:label="lab_ifrs-full_LongtermLegalProceedingsProvision" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current legal proceedings provision</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LongtermLegalProceedingsProvision" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LongtermLegalProceedingsProvision"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LongtermLegalProceedingsProvision" xlink:to="lab_ifrs-full_LongtermLegalProceedingsProvision" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_NumberOfSignificantCustomers_019b6a75-7640-7cc8-a871-812c74e2968a_verboseLabel_en-US" xlink:label="lab_ero_NumberOfSignificantCustomers" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Number of customers</link:label>
    <link:label id="lab_ero_NumberOfSignificantCustomers_label_en-US" xlink:label="lab_ero_NumberOfSignificantCustomers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Significant Customers</link:label>
    <link:label id="lab_ero_NumberOfSignificantCustomers_documentation_en-US" xlink:label="lab_ero_NumberOfSignificantCustomers" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Significant Customers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_NumberOfSignificantCustomers" xlink:href="ero-20251231.xsd#ero_NumberOfSignificantCustomers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_NumberOfSignificantCustomers" xlink:to="lab_ero_NumberOfSignificantCustomers" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityIncorporationStateCountryCode_019b6a75-7640-7d7c-9d99-da0abc8bde75_terseLabel_en-US" xlink:label="lab_dei_EntityIncorporationStateCountryCode" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Incorporation, State or Country Code</link:label>
    <link:label id="lab_dei_EntityIncorporationStateCountryCode_label_en-US" xlink:label="lab_dei_EntityIncorporationStateCountryCode" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Incorporation, State or Country Code</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityIncorporationStateCountryCode" xlink:to="lab_dei_EntityIncorporationStateCountryCode" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WritedownsReversalsOfPropertyPlantAndEquipment_019b6a75-76e5-73be-8ffc-35370281c933_terseLabel_en-US" xlink:label="lab_ifrs-full_WritedownsReversalsOfPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Write-downs (reversals of write-downs) of property, plant and equipment</link:label>
    <link:label id="lab_ifrs-full_WritedownsReversalsOfPropertyPlantAndEquipment_019b6a75-76e5-7ddb-93e2-3af637d19602_negatedLabel_en-US" xlink:label="lab_ifrs-full_WritedownsReversalsOfPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Write-down of mineral properties and exploration and evaluation asset</link:label>
    <link:label id="lab_ifrs-full_WritedownsReversalsOfPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_WritedownsReversalsOfPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Write-downs (reversals of write-downs) of property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WritedownsReversalsOfPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_WritedownsReversalsOfPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WritedownsReversalsOfPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_WritedownsReversalsOfPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_OtherGeneralAndAdministrativeExpense_019b6a75-76e4-71ce-ae33-fa620a0debef_terseLabel_en-US" xlink:label="lab_ero_OtherGeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_ero_OtherGeneralAndAdministrativeExpense_label_en-US" xlink:label="lab_ero_OtherGeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other General And Administrative Expense</link:label>
    <link:label id="lab_ero_OtherGeneralAndAdministrativeExpense_documentation_en-US" xlink:label="lab_ero_OtherGeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other General And Administrative Expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_OtherGeneralAndAdministrativeExpense" xlink:href="ero-20251231.xsd#ero_OtherGeneralAndAdministrativeExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_OtherGeneralAndAdministrativeExpense" xlink:to="lab_ero_OtherGeneralAndAdministrativeExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_DerivativeWeightedAverageForwardPricePerOunce_019b6a75-7640-731d-9643-5dcda48dc1ca_terseLabel_en-US" xlink:label="lab_ero_DerivativeWeightedAverageForwardPricePerOunce" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative weighted average forward price per ounce</link:label>
    <link:label id="lab_ero_DerivativeWeightedAverageForwardPricePerOunce_label_en-US" xlink:label="lab_ero_DerivativeWeightedAverageForwardPricePerOunce" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Weighted Average Forward Price Per Ounce</link:label>
    <link:label id="lab_ero_DerivativeWeightedAverageForwardPricePerOunce_documentation_en-US" xlink:label="lab_ero_DerivativeWeightedAverageForwardPricePerOunce" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Derivative Weighted Average Forward Price Per Ounce</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DerivativeWeightedAverageForwardPricePerOunce" xlink:href="ero-20251231.xsd#ero_DerivativeWeightedAverageForwardPricePerOunce"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_DerivativeWeightedAverageForwardPricePerOunce" xlink:to="lab_ero_DerivativeWeightedAverageForwardPricePerOunce" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognized_019b6a75-7640-7fc6-9ed8-d8188ad14c3f_terseLabel_en-US" xlink:label="lab_ero_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognized" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deductible temporary differences with no deferred tax assets recognized</link:label>
    <link:label id="lab_ero_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognized_label_en-US" xlink:label="lab_ero_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognized" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deductible Temporary Differences For Which No Deferred Tax Asset Is Recognized</link:label>
    <link:label id="lab_ero_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognized_documentation_en-US" xlink:label="lab_ero_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognized" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deductible Temporary Differences For Which No Deferred Tax Asset Is Recognized</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognized" xlink:href="ero-20251231.xsd#ero_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognized"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognized" xlink:to="lab_ero_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognized" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LongtermBorrowingsMember_019b6a75-7640-7142-b178-8e63099aa8da_terseLabel_en-US" xlink:label="lab_ifrs-full_LongtermBorrowingsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term borrowings</link:label>
    <link:label id="lab_ifrs-full_LongtermBorrowingsMember_label_en-US" xlink:label="lab_ifrs-full_LongtermBorrowingsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term borrowings [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LongtermBorrowingsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LongtermBorrowingsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LongtermBorrowingsMember" xlink:to="lab_ifrs-full_LongtermBorrowingsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain_019b6a75-7640-7a47-b581-8d1a722fd5e5_terseLabel_en-US" xlink:label="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-adjusting events after reporting period [domain]</link:label>
    <link:label id="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain_label_en-US" xlink:label="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-adjusting events after reporting period [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NonadjustingEventsAfterReportingPeriodDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:to="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SegmentConsolidationItemsDomain_019b6a75-76e5-734e-b065-c26a6f530483_terseLabel_en-US" xlink:label="lab_ifrs-full_SegmentConsolidationItemsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment consolidation items [domain]</link:label>
    <link:label id="lab_ifrs-full_SegmentConsolidationItemsDomain_label_en-US" xlink:label="lab_ifrs-full_SegmentConsolidationItemsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment consolidation items [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SegmentConsolidationItemsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SegmentConsolidationItemsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SegmentConsolidationItemsDomain" xlink:to="lab_ifrs-full_SegmentConsolidationItemsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BuildingsMember_019b6a75-7640-73bd-998a-47c27bfe784d_terseLabel_en-US" xlink:label="lab_ifrs-full_BuildingsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Buildings</link:label>
    <link:label id="lab_ifrs-full_BuildingsMember_label_en-US" xlink:label="lab_ifrs-full_BuildingsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Buildings [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BuildingsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BuildingsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BuildingsMember" xlink:to="lab_ifrs-full_BuildingsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains_019b6a75-7640-7d7e-9c6d-01450c888796_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign exchange (gain) loss</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for unrealised foreign exchange losses (gains)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:to="lab_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncontrollingInterestsMember_019b6a75-7640-777a-b7f6-5ae5a83c3ff0_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncontrollingInterestsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-controlling interest</link:label>
    <link:label id="lab_ifrs-full_NoncontrollingInterestsMember_label_en-US" xlink:label="lab_ifrs-full_NoncontrollingInterestsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-controlling interests [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncontrollingInterestsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncontrollingInterestsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncontrollingInterestsMember" xlink:to="lab_ifrs-full_NoncontrollingInterestsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_CostOfSalesMaterials_019b6a75-76e5-7fab-b770-1f43f47a1020_terseLabel_en-US" xlink:label="lab_ero_CostOfSalesMaterials" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Materials</link:label>
    <link:label id="lab_ero_CostOfSalesMaterials_label_en-US" xlink:label="lab_ero_CostOfSalesMaterials" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost Of Sales, Materials</link:label>
    <link:label id="lab_ero_CostOfSalesMaterials_documentation_en-US" xlink:label="lab_ero_CostOfSalesMaterials" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cost Of Sales, Materials</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_CostOfSalesMaterials" xlink:href="ero-20251231.xsd#ero_CostOfSalesMaterials"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_CostOfSalesMaterials" xlink:to="lab_ero_CostOfSalesMaterials" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent_019b6a75-76e4-799c-b958-f2e4d61a84d2_terseLabel_en-US" xlink:label="lab_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reasonably possible change in risk variable (as a percent)</link:label>
    <link:label id="lab_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent_label_en-US" xlink:label="lab_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Percent</link:label>
    <link:label id="lab_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent_documentation_en-US" xlink:label="lab_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Percent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent" xlink:href="ero-20251231.xsd#ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent" xlink:to="lab_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_CostOfSalesDepreciationAndDepletionExpenseIncludingNetChangeInInventoryDepreciation_019b6a75-7640-7a67-a638-6b610a0fb311_negatedTerseLabel_en-US" xlink:label="lab_ero_CostOfSalesDepreciationAndDepletionExpenseIncludingNetChangeInInventoryDepreciation" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Depreciation and depletion</link:label>
    <link:label id="lab_ero_CostOfSalesDepreciationAndDepletionExpenseIncludingNetChangeInInventoryDepreciation_label_en-US" xlink:label="lab_ero_CostOfSalesDepreciationAndDepletionExpenseIncludingNetChangeInInventoryDepreciation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost Of Sales, Depreciation And Depletion Expense, Including Net Change In Inventory Depreciation</link:label>
    <link:label id="lab_ero_CostOfSalesDepreciationAndDepletionExpenseIncludingNetChangeInInventoryDepreciation_documentation_en-US" xlink:label="lab_ero_CostOfSalesDepreciationAndDepletionExpenseIncludingNetChangeInInventoryDepreciation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cost Of Sales, Depreciation And Depletion Expense, Including Net Change In Inventory Depreciation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_CostOfSalesDepreciationAndDepletionExpenseIncludingNetChangeInInventoryDepreciation" xlink:href="ero-20251231.xsd#ero_CostOfSalesDepreciationAndDepletionExpenseIncludingNetChangeInInventoryDepreciation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_CostOfSalesDepreciationAndDepletionExpenseIncludingNetChangeInInventoryDepreciation" xlink:to="lab_ero_CostOfSalesDepreciationAndDepletionExpenseIncludingNetChangeInInventoryDepreciation" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForExplorationAndEvaluationExpenditures_019b6a75-76e4-7d21-a04f-22dbc86a1150_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForExplorationAndEvaluationExpenditures" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exploration and Evaluation Assets</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForExplorationAndEvaluationExpenditures_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForExplorationAndEvaluationExpenditures" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for exploration and evaluation expenditures [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForExplorationAndEvaluationExpenditures" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForExplorationAndEvaluationExpenditures"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForExplorationAndEvaluationExpenditures" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForExplorationAndEvaluationExpenditures" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_CityAreaCode_019b6a75-7640-757a-831d-b4425ecc99b9_terseLabel_en-US" xlink:label="lab_dei_CityAreaCode" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">City Area Code</link:label>
    <link:label id="lab_dei_CityAreaCode_label_en-US" xlink:label="lab_dei_CityAreaCode" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">City Area Code</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_CityAreaCode"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CityAreaCode" xlink:to="lab_dei_CityAreaCode" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable_019b6a75-7640-777e-bfc0-804ad6a39161_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of subsidiaries [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of subsidiaries [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xlink:to="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AuditorLocation_019b6a75-7640-7062-844b-ec03ad5c9ddf_terseLabel_en-US" xlink:label="lab_dei_AuditorLocation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Auditor Location</link:label>
    <link:label id="lab_dei_AuditorLocation_label_en-US" xlink:label="lab_dei_AuditorLocation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Auditor Location</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AuditorLocation" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AuditorLocation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AuditorLocation" xlink:to="lab_dei_AuditorLocation" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_CurrencyRiskUSDollarAndEurosMember_019b6a75-76e4-7a1b-91a4-af09364b0b96_terseLabel_en-US" xlink:label="lab_ero_CurrencyRiskUSDollarAndEurosMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Currency Risk, US Dollar and Euros</link:label>
    <link:label id="lab_ero_CurrencyRiskUSDollarAndEurosMember_label_en-US" xlink:label="lab_ero_CurrencyRiskUSDollarAndEurosMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Currency Risk, US Dollar And Euros [Member]</link:label>
    <link:label id="lab_ero_CurrencyRiskUSDollarAndEurosMember_documentation_en-US" xlink:label="lab_ero_CurrencyRiskUSDollarAndEurosMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Currency Risk, US Dollar And Euros</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_CurrencyRiskUSDollarAndEurosMember" xlink:href="ero-20251231.xsd#ero_CurrencyRiskUSDollarAndEurosMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_CurrencyRiskUSDollarAndEurosMember" xlink:to="lab_ero_CurrencyRiskUSDollarAndEurosMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_DisclosureOfDetailedInformationAboutFinanceCostsTableTextBlock_019b6a75-7640-7114-a826-5979458bc4f9_terseLabel_en-US" xlink:label="lab_ero_DisclosureOfDetailedInformationAboutFinanceCostsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Finance Expense</link:label>
    <link:label id="lab_ero_DisclosureOfDetailedInformationAboutFinanceCostsTableTextBlock_label_en-US" xlink:label="lab_ero_DisclosureOfDetailedInformationAboutFinanceCostsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Finance Costs [Table Text Block]</link:label>
    <link:label id="lab_ero_DisclosureOfDetailedInformationAboutFinanceCostsTableTextBlock_documentation_en-US" xlink:label="lab_ero_DisclosureOfDetailedInformationAboutFinanceCostsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Finance Costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DisclosureOfDetailedInformationAboutFinanceCostsTableTextBlock" xlink:href="ero-20251231.xsd#ero_DisclosureOfDetailedInformationAboutFinanceCostsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_DisclosureOfDetailedInformationAboutFinanceCostsTableTextBlock" xlink:to="lab_ero_DisclosureOfDetailedInformationAboutFinanceCostsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_WeightedAverageFairValuePriceEquityInstrumentsGrantedInShareBasedPaymentArrangement_019b6a75-7640-7cdc-8e96-17e6d8035b32_terseLabel_en-US" xlink:label="lab_ero_WeightedAverageFairValuePriceEquityInstrumentsGrantedInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average fair value price, equity instruments granted in share-based payment arrangement,</link:label>
    <link:label id="lab_ero_WeightedAverageFairValuePriceEquityInstrumentsGrantedInShareBasedPaymentArrangement_label_en-US" xlink:label="lab_ero_WeightedAverageFairValuePriceEquityInstrumentsGrantedInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average fair value price, equity instruments granted in share-based payment arrangement,</link:label>
    <link:label id="lab_ero_WeightedAverageFairValuePriceEquityInstrumentsGrantedInShareBasedPaymentArrangement_documentation_en-US" xlink:label="lab_ero_WeightedAverageFairValuePriceEquityInstrumentsGrantedInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Weighted average fair value price, equity instruments granted in share-based payment arrangement,</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_WeightedAverageFairValuePriceEquityInstrumentsGrantedInShareBasedPaymentArrangement" xlink:href="ero-20251231.xsd#ero_WeightedAverageFairValuePriceEquityInstrumentsGrantedInShareBasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_WeightedAverageFairValuePriceEquityInstrumentsGrantedInShareBasedPaymentArrangement" xlink:to="lab_ero_WeightedAverageFairValuePriceEquityInstrumentsGrantedInShareBasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_RangeTwoOfExercisePricesForOutstandingShareOptionsMember_019b6a75-7640-783c-ba7f-d8f67ff69cad_terseLabel_en-US" xlink:label="lab_ero_RangeTwoOfExercisePricesForOutstandingShareOptionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$20.01 to $30.00 CAD</link:label>
    <link:label id="lab_ero_RangeTwoOfExercisePricesForOutstandingShareOptionsMember_label_en-US" xlink:label="lab_ero_RangeTwoOfExercisePricesForOutstandingShareOptionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Range two of exercise prices for outstanding share options [Member]</link:label>
    <link:label id="lab_ero_RangeTwoOfExercisePricesForOutstandingShareOptionsMember_documentation_en-US" xlink:label="lab_ero_RangeTwoOfExercisePricesForOutstandingShareOptionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Range two of exercise prices for outstanding share options</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_RangeTwoOfExercisePricesForOutstandingShareOptionsMember" xlink:href="ero-20251231.xsd#ero_RangeTwoOfExercisePricesForOutstandingShareOptionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_RangeTwoOfExercisePricesForOutstandingShareOptionsMember" xlink:to="lab_ero_RangeTwoOfExercisePricesForOutstandingShareOptionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EquityAttributableToOwnersOfParent_019b6a75-7640-7c97-98c2-31568485ff57_totalLabel_en-US" xlink:label="lab_ifrs-full_EquityAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Equity attributable to owners of the Company</link:label>
    <link:label id="lab_ifrs-full_EquityAttributableToOwnersOfParent_label_en-US" xlink:label="lab_ifrs-full_EquityAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity attributable to owners of parent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAttributableToOwnersOfParent" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EquityAttributableToOwnersOfParent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAttributableToOwnersOfParent" xlink:to="lab_ifrs-full_EquityAttributableToOwnersOfParent" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentPrepaidExpenses_019b6a75-76e5-7548-98ac-d9d768b3f0b1_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentPrepaidExpenses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Prepaid expenses and other</link:label>
    <link:label id="lab_ifrs-full_CurrentPrepaidExpenses_label_en-US" xlink:label="lab_ifrs-full_CurrentPrepaidExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current prepaid expenses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentPrepaidExpenses" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentPrepaidExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentPrepaidExpenses" xlink:to="lab_ifrs-full_CurrentPrepaidExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BorrowingsAdjustmentToInterestRateBasis_019b6a75-76e5-7d29-9780-f88a25f2abc4_verboseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Coupon rate</link:label>
    <link:label id="lab_ifrs-full_BorrowingsAdjustmentToInterestRateBasis_019b6a75-76e5-74e1-ac5b-9dedf4e4663c_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjustment to interest rate basis (as a percent)</link:label>
    <link:label id="lab_ifrs-full_BorrowingsAdjustmentToInterestRateBasis_label_en-US" xlink:label="lab_ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings, adjustment to interest rate basis</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BorrowingsAdjustmentToInterestRateBasis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xlink:to="lab_ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOf20PercentChangeOnPreTaxEarnings_019b6a75-7640-7650-9cc1-d4d589b307ac_terseLabel_en-US" xlink:label="lab_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOf20PercentChangeOnPreTaxEarnings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impact of 20% change on pre-tax net income</link:label>
    <link:label id="lab_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOf20PercentChangeOnPreTaxEarnings_label_en-US" xlink:label="lab_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOf20PercentChangeOnPreTaxEarnings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Impact Of 20Percent Change On Pre-Tax Earnings</link:label>
    <link:label id="lab_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOf20PercentChangeOnPreTaxEarnings_documentation_en-US" xlink:label="lab_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOf20PercentChangeOnPreTaxEarnings" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Impact Of 20Percent Change On Pre-Tax Earnings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOf20PercentChangeOnPreTaxEarnings" xlink:href="ero-20251231.xsd#ero_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOf20PercentChangeOnPreTaxEarnings"/>
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    <link:label id="lab_ifrs-full_OtherLongtermProvisions_019b6a75-7640-7ac1-ae68-8746b51eac88_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherLongtermProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-current portion</link:label>
    <link:label id="lab_ifrs-full_OtherLongtermProvisions_label_en-US" xlink:label="lab_ifrs-full_OtherLongtermProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other non-current provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherLongtermProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherLongtermProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherLongtermProvisions" xlink:to="lab_ifrs-full_OtherLongtermProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeferredTaxExpenseIncome_019b6a75-76e5-742a-8398-d9b45518b96e_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncome" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Deferred income tax (expense) recovery</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxExpenseIncome_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred tax expense (income)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxExpenseIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DeferredTaxExpenseIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxExpenseIncome" xlink:to="lab_ifrs-full_DeferredTaxExpenseIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RightofuseAssetsMember_019b6a75-7640-7a4d-88c5-83624b7b08aa_terseLabel_en-US" xlink:label="lab_ifrs-full_RightofuseAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Right-of-Use Assets</link:label>
    <link:label id="lab_ifrs-full_RightofuseAssetsMember_label_en-US" xlink:label="lab_ifrs-full_RightofuseAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Right-of-use assets [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RightofuseAssetsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RightofuseAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RightofuseAssetsMember" xlink:to="lab_ifrs-full_RightofuseAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityTable_019b6a75-7640-78f7-9378-847ae2f1ca60_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of changes in equity [table]</link:label>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityTable_label_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of changes in equity [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfChangesInEquityTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_StatementOfChangesInEquityTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfChangesInEquityTable" xlink:to="lab_ifrs-full_StatementOfChangesInEquityTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_CostOfSalesSalesExpense_019b6a75-7640-709a-a5df-0a2dedb9068e_negatedTerseLabel_en-US" xlink:label="lab_ero_CostOfSalesSalesExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Sales expense</link:label>
    <link:label id="lab_ero_CostOfSalesSalesExpense_019b6a75-7640-7f3b-ac1f-7017fefa0835_terseLabel_en-US" xlink:label="lab_ero_CostOfSalesSalesExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sales expense</link:label>
    <link:label id="lab_ero_CostOfSalesSalesExpense_label_en-US" xlink:label="lab_ero_CostOfSalesSalesExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost Of Sales, Sales Expense</link:label>
    <link:label id="lab_ero_CostOfSalesSalesExpense_documentation_en-US" xlink:label="lab_ero_CostOfSalesSalesExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cost Of Sales, Sales Expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_CostOfSalesSalesExpense" xlink:href="ero-20251231.xsd#ero_CostOfSalesSalesExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_CostOfSalesSalesExpense" xlink:to="lab_ero_CostOfSalesSalesExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashAndCashEquivalents_019b6a75-76e4-7122-ac70-424c3e553907_terseLabel_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:label id="lab_ifrs-full_CashAndCashEquivalents_019b6a75-76e4-73d7-961c-5f49f7060e79_periodStartLabel_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents - beginning of year</link:label>
    <link:label id="lab_ifrs-full_CashAndCashEquivalents_019b6a75-76e4-7860-8100-81c988a65ecd_periodEndLabel_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents - end of year</link:label>
    <link:label id="lab_ifrs-full_CashAndCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashAndCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashAndCashEquivalents" xlink:to="lab_ifrs-full_CashAndCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory_019b6a75-7640-75a3-b329-b0bfe0c6951a_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Instruments</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for financial instruments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory"/>
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    <link:label id="lab_ero_MineraoCarabaSAMember_019b6a75-76e4-7daf-b05d-e1cef9f90f89_terseLabel_en-US" xlink:label="lab_ero_MineraoCarabaSAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">MCSA</link:label>
    <link:label id="lab_ero_MineraoCarabaSAMember_label_en-US" xlink:label="lab_ero_MineraoCarabaSAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minera&#231;&#227;o Cara&#237;ba S.A [Member]</link:label>
    <link:label id="lab_ero_MineraoCarabaSAMember_documentation_en-US" xlink:label="lab_ero_MineraoCarabaSAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Minera&#231;&#227;o Cara&#237;ba S.A</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_MineraoCarabaSAMember" xlink:href="ero-20251231.xsd#ero_MineraoCarabaSAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_MineraoCarabaSAMember" xlink:to="lab_ero_MineraoCarabaSAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentTaxLiabilitiesNoncurrent_019b6a75-76e5-7994-92e4-0582677210c5_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxLiabilitiesNoncurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Withholding, value added tax, and other taxes payable</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxLiabilitiesNoncurrent_label_en-US" xlink:label="lab_ifrs-full_CurrentTaxLiabilitiesNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current tax liabilities, non-current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxLiabilitiesNoncurrent" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentTaxLiabilitiesNoncurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxLiabilitiesNoncurrent" xlink:to="lab_ifrs-full_CurrentTaxLiabilitiesNoncurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersTable_019b6a75-7640-768a-9dc8-a49aef1d0253_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of assets recognised from costs to obtain or fulfil contracts with customers [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of assets recognised from costs to obtain or fulfil contracts with customers [table]</link:label>
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    <link:label id="lab_ero_BorrowingsRedemptionPeriodTwoMember_019b6a75-76e4-7da1-966a-ff19c1ce7abd_terseLabel_en-US" xlink:label="lab_ero_BorrowingsRedemptionPeriodTwoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Redemption period two</link:label>
    <link:label id="lab_ero_BorrowingsRedemptionPeriodTwoMember_label_en-US" xlink:label="lab_ero_BorrowingsRedemptionPeriodTwoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings, Redemption Period Two [Member]</link:label>
    <link:label id="lab_ero_BorrowingsRedemptionPeriodTwoMember_documentation_en-US" xlink:label="lab_ero_BorrowingsRedemptionPeriodTwoMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowings, Redemption Period Two</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_BorrowingsRedemptionPeriodTwoMember" xlink:href="ero-20251231.xsd#ero_BorrowingsRedemptionPeriodTwoMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_BorrowingsRedemptionPeriodTwoMember" xlink:to="lab_ero_BorrowingsRedemptionPeriodTwoMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughOtherDistributionsToOwners_019b6a75-7640-7f51-8e07-8591ea226d63_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughOtherDistributionsToOwners" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Dividends to non-controlling interest</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughOtherDistributionsToOwners_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughOtherDistributionsToOwners" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease through other distributions to owners, equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughOtherDistributionsToOwners" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseThroughOtherDistributionsToOwners"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughOtherDistributionsToOwners" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughOtherDistributionsToOwners" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentAccruedExpensesAndOtherCurrentLiabilities_019b6a75-7640-7f72-98f9-c83e9d40f23b_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentAccruedExpensesAndOtherCurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other accrued liabilities</link:label>
    <link:label id="lab_ifrs-full_CurrentAccruedExpensesAndOtherCurrentLiabilities_label_en-US" xlink:label="lab_ifrs-full_CurrentAccruedExpensesAndOtherCurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current accrued expenses and other current liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentAccruedExpensesAndOtherCurrentLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentAccruedExpensesAndOtherCurrentLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentAccruedExpensesAndOtherCurrentLiabilities" xlink:to="lab_ifrs-full_CurrentAccruedExpensesAndOtherCurrentLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_ContractTypeCommodityMember_019b6a75-7640-7e03-b011-31f1282b7e0b_terseLabel_en-US" xlink:label="lab_ero_ContractTypeCommodityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commodity Contract</link:label>
    <link:label id="lab_ero_ContractTypeCommodityMember_label_en-US" xlink:label="lab_ero_ContractTypeCommodityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contract Type Commodity [Member]</link:label>
    <link:label id="lab_ero_ContractTypeCommodityMember_documentation_en-US" xlink:label="lab_ero_ContractTypeCommodityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contract Type Commodity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_ContractTypeCommodityMember" xlink:href="ero-20251231.xsd#ero_ContractTypeCommodityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_ContractTypeCommodityMember" xlink:to="lab_ero_ContractTypeCommodityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MaturityAxis_019b6a75-76e4-718d-af2f-baed13822c85_terseLabel_en-US" xlink:label="lab_ifrs-full_MaturityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity [axis]</link:label>
    <link:label id="lab_ifrs-full_MaturityAxis_label_en-US" xlink:label="lab_ifrs-full_MaturityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturity [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MaturityAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MaturityAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MaturityAxis" xlink:to="lab_ifrs-full_MaturityAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EquityAndLiabilities_019b6a75-7640-7c42-8b3a-782a1e4aec78_totalLabel_en-US" xlink:label="lab_ifrs-full_EquityAndLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total Liabilities and Equity</link:label>
    <link:label id="lab_ifrs-full_EquityAndLiabilities_label_en-US" xlink:label="lab_ifrs-full_EquityAndLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity and liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAndLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EquityAndLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAndLiabilities" xlink:to="lab_ifrs-full_EquityAndLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory_019b6a75-76e5-7261-b52b-46a30661bd86_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impairment</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for impairment of assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_DepositsOnProjectsMember_019b6a75-7640-746d-82eb-70a8c6d99a1b_terseLabel_en-US" xlink:label="lab_ero_DepositsOnProjectsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deposits On Projects</link:label>
    <link:label id="lab_ero_DepositsOnProjectsMember_label_en-US" xlink:label="lab_ero_DepositsOnProjectsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deposits On Projects [Member]</link:label>
    <link:label id="lab_ero_DepositsOnProjectsMember_documentation_en-US" xlink:label="lab_ero_DepositsOnProjectsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deposits On Projects</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DepositsOnProjectsMember" xlink:href="ero-20251231.xsd#ero_DepositsOnProjectsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_DepositsOnProjectsMember" xlink:to="lab_ero_DepositsOnProjectsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_BorrowingRedemptionPeriodAxis_019b6a75-7640-7046-8c60-91a210057c8b_terseLabel_en-US" xlink:label="lab_ero_BorrowingRedemptionPeriodAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowing Redemption Period [Axis]</link:label>
    <link:label id="lab_ero_BorrowingRedemptionPeriodAxis_label_en-US" xlink:label="lab_ero_BorrowingRedemptionPeriodAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowing Redemption Period [Axis]</link:label>
    <link:label id="lab_ero_BorrowingRedemptionPeriodAxis_documentation_en-US" xlink:label="lab_ero_BorrowingRedemptionPeriodAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowing Redemption Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_BorrowingRedemptionPeriodAxis" xlink:href="ero-20251231.xsd#ero_BorrowingRedemptionPeriodAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_BorrowingRedemptionPeriodAxis" xlink:to="lab_ero_BorrowingRedemptionPeriodAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfContingentLiabilitiesTable_019b6a75-76e4-7c02-bd5b-47dec75a7479_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfContingentLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of contingent liabilities [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfContingentLiabilitiesTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfContingentLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of contingent liabilities [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfContingentLiabilitiesTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfContingentLiabilitiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfContingentLiabilitiesTable" xlink:to="lab_ifrs-full_DisclosureOfContingentLiabilitiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_ProvisionSettlementForDecommissioningRestorationAndRehabilitationCosts_019b6a75-7640-7f6b-93d5-f54e63bb1beb_negatedLabel_en-US" xlink:label="lab_ero_ProvisionSettlementForDecommissioningRestorationAndRehabilitationCosts" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Provision settlements</link:label>
    <link:label id="lab_ero_ProvisionSettlementForDecommissioningRestorationAndRehabilitationCosts_label_en-US" xlink:label="lab_ero_ProvisionSettlementForDecommissioningRestorationAndRehabilitationCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision Settlement For Decommissioning, Restoration And Rehabilitation Costs</link:label>
    <link:label id="lab_ero_ProvisionSettlementForDecommissioningRestorationAndRehabilitationCosts_documentation_en-US" xlink:label="lab_ero_ProvisionSettlementForDecommissioningRestorationAndRehabilitationCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Provision Settlement For Decommissioning, Restoration And Rehabilitation Costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_ProvisionSettlementForDecommissioningRestorationAndRehabilitationCosts" xlink:href="ero-20251231.xsd#ero_ProvisionSettlementForDecommissioningRestorationAndRehabilitationCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_ProvisionSettlementForDecommissioningRestorationAndRehabilitationCosts" xlink:to="lab_ero_ProvisionSettlementForDecommissioningRestorationAndRehabilitationCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_IncreaseDecreaseThroughIssuanceOfEquity_019b6a75-7640-7134-84c9-a97f70980250_terseLabel_en-US" xlink:label="lab_ero_IncreaseDecreaseThroughIssuanceOfEquity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity financing, net</link:label>
    <link:label id="lab_ero_IncreaseDecreaseThroughIssuanceOfEquity_label_en-US" xlink:label="lab_ero_IncreaseDecreaseThroughIssuanceOfEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) Through Issuance Of Equity</link:label>
    <link:label id="lab_ero_IncreaseDecreaseThroughIssuanceOfEquity_documentation_en-US" xlink:label="lab_ero_IncreaseDecreaseThroughIssuanceOfEquity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (decrease) Through Issuance Of Equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_IncreaseDecreaseThroughIssuanceOfEquity" xlink:href="ero-20251231.xsd#ero_IncreaseDecreaseThroughIssuanceOfEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_IncreaseDecreaseThroughIssuanceOfEquity" xlink:to="lab_ero_IncreaseDecreaseThroughIssuanceOfEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset_019b6a75-7640-7bdd-81d5-d5a17e9d0071_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Foreign exchange</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through net exchange differences, deferred tax liability (asset)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_NumberOfSharesSettledRestrictedShareUnits_019b6a75-7640-7d5f-b7ab-f373b74bf775_terseLabel_en-US" xlink:label="lab_ero_NumberOfSharesSettledRestrictedShareUnits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Settlement of restricted share units (in shares)</link:label>
    <link:label id="lab_ero_NumberOfSharesSettledRestrictedShareUnits_label_en-US" xlink:label="lab_ero_NumberOfSharesSettledRestrictedShareUnits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Shares, Settled, Restricted Share Units</link:label>
    <link:label id="lab_ero_NumberOfSharesSettledRestrictedShareUnits_documentation_en-US" xlink:label="lab_ero_NumberOfSharesSettledRestrictedShareUnits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of Shares, Settled, Restricted Share Units</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_NumberOfSharesSettledRestrictedShareUnits" xlink:href="ero-20251231.xsd#ero_NumberOfSharesSettledRestrictedShareUnits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_NumberOfSharesSettledRestrictedShareUnits" xlink:to="lab_ero_NumberOfSharesSettledRestrictedShareUnits" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_UnobservableInputsDomain_019b6a75-7640-79e8-9d68-b720cace9632_terseLabel_en-US" xlink:label="lab_ifrs-full_UnobservableInputsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unobservable inputs [domain]</link:label>
    <link:label id="lab_ifrs-full_UnobservableInputsDomain_label_en-US" xlink:label="lab_ifrs-full_UnobservableInputsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unobservable inputs [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UnobservableInputsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_UnobservableInputsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UnobservableInputsDomain" xlink:to="lab_ifrs-full_UnobservableInputsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_019b6a75-7640-73d7-a9d2-b3c175052938_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Loans and borrowings repaid</link:label>
    <link:label id="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_019b6a75-7640-7fc2-b398-3e160c363d75_negatedLabel_en-US" xlink:label="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Principal payments</link:label>
    <link:label id="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_019b6a75-7640-763d-93ee-955b2ebee237_terseLabel_en-US" xlink:label="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Repayments of borrowings</link:label>
    <link:label id="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments of borrowings, classified as financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradeReceivablesMember_019b6a75-76e5-76eb-bea4-9d0f95538c76_verboseLabel_en-US" xlink:label="lab_ifrs-full_TradeReceivablesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Trade receivables [member]</link:label>
    <link:label id="lab_ifrs-full_TradeReceivablesMember_019b6a75-76e5-7101-ac94-974a77ab3818_netLabel_en-US" xlink:label="lab_ifrs-full_TradeReceivablesMember" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US">Trade receivables</link:label>
    <link:label id="lab_ifrs-full_TradeReceivablesMember_label_en-US" xlink:label="lab_ifrs-full_TradeReceivablesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade receivables [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeReceivablesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TradeReceivablesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeReceivablesMember" xlink:to="lab_ifrs-full_TradeReceivablesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment_019b6a75-7640-71ed-9dac-5b864f5a2aff_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign exchange</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through net exchange differences, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherAdjustmentsToReconcileProfitLoss_019b6a75-7640-759b-a86c-5c6df9ed8bc2_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherAdjustmentsToReconcileProfitLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_ifrs-full_OtherAdjustmentsToReconcileProfitLoss_label_en-US" xlink:label="lab_ifrs-full_OtherAdjustmentsToReconcileProfitLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other adjustments to reconcile profit (loss)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherAdjustmentsToReconcileProfitLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherAdjustmentsToReconcileProfitLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherAdjustmentsToReconcileProfitLoss" xlink:to="lab_ifrs-full_OtherAdjustmentsToReconcileProfitLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_OtherExpenseByFunctionShareBasedCompensation_019b6a75-7640-756f-b111-e69645a8d542_negatedTerseLabel_en-US" xlink:label="lab_ero_OtherExpenseByFunctionShareBasedCompensation" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Share-based compensation</link:label>
    <link:label id="lab_ero_OtherExpenseByFunctionShareBasedCompensation_label_en-US" xlink:label="lab_ero_OtherExpenseByFunctionShareBasedCompensation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Expense By Function, Share-Based Compensation</link:label>
    <link:label id="lab_ero_OtherExpenseByFunctionShareBasedCompensation_documentation_en-US" xlink:label="lab_ero_OtherExpenseByFunctionShareBasedCompensation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Expense By Function, Share-Based Compensation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_OtherExpenseByFunctionShareBasedCompensation" xlink:href="ero-20251231.xsd#ero_OtherExpenseByFunctionShareBasedCompensation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_OtherExpenseByFunctionShareBasedCompensation" xlink:to="lab_ero_OtherExpenseByFunctionShareBasedCompensation" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_TucumaBrazilMember_019b6a75-7640-7d6d-a392-de0b418e1f0e_terseLabel_en-US" xlink:label="lab_ero_TucumaBrazilMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tucum&#227; (Brazil)</link:label>
    <link:label id="lab_ero_TucumaBrazilMember_label_en-US" xlink:label="lab_ero_TucumaBrazilMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tucum&#227; (Brazil) [Member]</link:label>
    <link:label id="lab_ero_TucumaBrazilMember_documentation_en-US" xlink:label="lab_ero_TucumaBrazilMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tucum&#227; (Brazil)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_TucumaBrazilMember" xlink:href="ero-20251231.xsd#ero_TucumaBrazilMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_TucumaBrazilMember" xlink:to="lab_ero_TucumaBrazilMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems_019b6a75-7640-7bda-95a9-873efde3f2f3_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of subsidiaries [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of subsidiaries [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfSharesOutstanding_019b6a75-7640-7675-9ccc-440fd47525b9_periodStartLabel_en-US" xlink:label="lab_ifrs-full_NumberOfSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning balance (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfSharesOutstanding_019b6a75-7640-7d62-a3c5-5c3d2b1379cb_periodEndLabel_en-US" xlink:label="lab_ifrs-full_NumberOfSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending balance (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfSharesOutstanding_019b6a75-7640-74e4-908a-78e89947f882_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of shares outstanding</link:label>
    <link:label id="lab_ifrs-full_NumberOfSharesOutstanding_label_en-US" xlink:label="lab_ifrs-full_NumberOfSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of shares outstanding</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfSharesOutstanding" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NumberOfSharesOutstanding"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfSharesOutstanding" xlink:to="lab_ifrs-full_NumberOfSharesOutstanding" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_GoldProductsAndServicesMember_019b6a75-7640-781e-b80b-d0498c531fc9_terseLabel_en-US" xlink:label="lab_ero_GoldProductsAndServicesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gold</link:label>
    <link:label id="lab_ero_GoldProductsAndServicesMember_label_en-US" xlink:label="lab_ero_GoldProductsAndServicesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gold Products And Services [Member]</link:label>
    <link:label id="lab_ero_GoldProductsAndServicesMember_documentation_en-US" xlink:label="lab_ero_GoldProductsAndServicesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Gold Products And Services</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_GoldProductsAndServicesMember" xlink:href="ero-20251231.xsd#ero_GoldProductsAndServicesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_GoldProductsAndServicesMember" xlink:to="lab_ero_GoldProductsAndServicesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_DerivativeInstrumentNonmonetaryNotionalAmount_019b6a75-76e4-7ad8-99f2-a5e9949231a1_terseLabel_en-US" xlink:label="lab_ero_DerivativeInstrumentNonmonetaryNotionalAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative nonmonetary notional amount</link:label>
    <link:label id="lab_ero_DerivativeInstrumentNonmonetaryNotionalAmount_label_en-US" xlink:label="lab_ero_DerivativeInstrumentNonmonetaryNotionalAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Instrument, Nonmonetary Notional Amount</link:label>
    <link:label id="lab_ero_DerivativeInstrumentNonmonetaryNotionalAmount_documentation_en-US" xlink:label="lab_ero_DerivativeInstrumentNonmonetaryNotionalAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Derivative Instrument, Nonmonetary Notional Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DerivativeInstrumentNonmonetaryNotionalAmount" xlink:href="ero-20251231.xsd#ero_DerivativeInstrumentNonmonetaryNotionalAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_DerivativeInstrumentNonmonetaryNotionalAmount" xlink:to="lab_ero_DerivativeInstrumentNonmonetaryNotionalAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories_019b6a75-7640-7abf-b36b-630a1c3889dd_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventories</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for measuring inventories [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Inventories_019b6a75-7640-786b-9d5b-4a1a890f87e5_terseLabel_en-US" xlink:label="lab_ifrs-full_Inventories" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventories</link:label>
    <link:label id="lab_ifrs-full_Inventories_019b6a75-7640-7022-bd72-3707c1b6fbab_totalLabel_en-US" xlink:label="lab_ifrs-full_Inventories" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Inventories</link:label>
    <link:label id="lab_ifrs-full_Inventories_label_en-US" xlink:label="lab_ifrs-full_Inventories" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current inventories</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Inventories" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Inventories"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Inventories" xlink:to="lab_ifrs-full_Inventories" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_ExplorationDrillingPhaseOneArea_019b6a75-76e5-7b43-a076-7c96e367ac7c_terseLabel_en-US" xlink:label="lab_ero_ExplorationDrillingPhaseOneArea" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exploration Drilling, Area</link:label>
    <link:label id="lab_ero_ExplorationDrillingPhaseOneArea_label_en-US" xlink:label="lab_ero_ExplorationDrillingPhaseOneArea" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Exploration Drilling Phase One, Area</link:label>
    <link:label id="lab_ero_ExplorationDrillingPhaseOneArea_documentation_en-US" xlink:label="lab_ero_ExplorationDrillingPhaseOneArea" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Exploration Drilling Phase One, Area</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_ExplorationDrillingPhaseOneArea" xlink:href="ero-20251231.xsd#ero_ExplorationDrillingPhaseOneArea"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_ExplorationDrillingPhaseOneArea" xlink:to="lab_ero_ExplorationDrillingPhaseOneArea" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_DerivateAverageFloorPricePerOunce_019ca533-477f-73ed-aafc-d06460d53765_terseLabel_en-US" xlink:label="lab_ero_DerivateAverageFloorPricePerOunce" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivate floor, price per ounce (in usd per ounce)</link:label>
    <link:label id="lab_ero_DerivateAverageFloorPricePerOunce_label_en-US" xlink:label="lab_ero_DerivateAverageFloorPricePerOunce" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivate Average, Floor, Price Per Ounce</link:label>
    <link:label id="lab_ero_DerivateAverageFloorPricePerOunce_documentation_en-US" xlink:label="lab_ero_DerivateAverageFloorPricePerOunce" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Derivate Average, Floor, Price Per Ounce</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DerivateAverageFloorPricePerOunce" xlink:href="ero-20251231.xsd#ero_DerivateAverageFloorPricePerOunce"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_DerivateAverageFloorPricePerOunce" xlink:to="lab_ero_DerivateAverageFloorPricePerOunce" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_AdjustmentsForIncreaseDecreaseInAccountsPayableRelatedToCapitalExpenditures_019b6a75-7640-7491-ae68-c7de6f44f8b6_terseLabel_en-US" xlink:label="lab_ero_AdjustmentsForIncreaseDecreaseInAccountsPayableRelatedToCapitalExpenditures" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-cash decrease in accounts payable in relation to additions of property, plant and equipment and exploration and evaluation assets</link:label>
    <link:label id="lab_ero_AdjustmentsForIncreaseDecreaseInAccountsPayableRelatedToCapitalExpenditures_label_en-US" xlink:label="lab_ero_AdjustmentsForIncreaseDecreaseInAccountsPayableRelatedToCapitalExpenditures" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments For Increase (Decrease) In Accounts Payable Related To Capital Expenditures</link:label>
    <link:label id="lab_ero_AdjustmentsForIncreaseDecreaseInAccountsPayableRelatedToCapitalExpenditures_documentation_en-US" xlink:label="lab_ero_AdjustmentsForIncreaseDecreaseInAccountsPayableRelatedToCapitalExpenditures" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustments For Increase (Decrease) In Accounts Payable Related To Capital Expenditures</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_AdjustmentsForIncreaseDecreaseInAccountsPayableRelatedToCapitalExpenditures" xlink:href="ero-20251231.xsd#ero_AdjustmentsForIncreaseDecreaseInAccountsPayableRelatedToCapitalExpenditures"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_AdjustmentsForIncreaseDecreaseInAccountsPayableRelatedToCapitalExpenditures" xlink:to="lab_ero_AdjustmentsForIncreaseDecreaseInAccountsPayableRelatedToCapitalExpenditures" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents_019b6a75-76e4-762b-9fdb-1c995776aa35_terseLabel_en-US" xlink:label="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effect of exchange rate changes on cash and cash equivalents</link:label>
    <link:label id="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effect of exchange rate changes on cash and cash equivalents</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:to="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AmendmentFlag_019b6a75-76e5-7925-961d-ebe6ec8e1867_terseLabel_en-US" xlink:label="lab_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amendment Flag</link:label>
    <link:label id="lab_dei_AmendmentFlag_label_en-US" xlink:label="lab_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amendment Flag</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AmendmentFlag"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AmendmentFlag" xlink:to="lab_dei_AmendmentFlag" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialAssetsAxis_019b6a75-7640-72ef-a5e0-a781463dbb3f_terseLabel_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Categories of financial assets [axis]</link:label>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialAssetsAxis_label_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Categories of financial assets [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CategoriesOfFinancialAssetsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:to="lab_ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract_019b6a75-7640-7ce9-a545-7031d68e1d37_terseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash Flows from Operating Activities</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) operating activities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:to="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityRegistrantName_019b6a75-76e5-7736-bca1-2d91df21f9f0_terseLabel_en-US" xlink:label="lab_dei_EntityRegistrantName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Registrant Name</link:label>
    <link:label id="lab_dei_EntityRegistrantName_label_en-US" xlink:label="lab_dei_EntityRegistrantName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Registrant Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityRegistrantName"/>
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    <link:label id="lab_ifrs-full_InterestExpenseOnLeaseLiabilities_019b6a75-76e4-7e71-bbe2-c012df1f3a71_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest on lease liabilities</link:label>
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    <link:label id="lab_ifrs-full_BorrowingsByNameDomain_label_en-US" xlink:label="lab_ifrs-full_BorrowingsByNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings by name [domain]</link:label>
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    <link:label id="lab_ero_CostOfSalesChangeInInventoryDepreciationAndDepletion_documentation_en-US" xlink:label="lab_ero_CostOfSalesChangeInInventoryDepreciationAndDepletion" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cost Of Sales, Change In Inventory, Depreciation And Depletion</link:label>
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    <link:label id="lab_ifrs-full_JointVenturesDomain_019b6a75-76e4-7dbb-982c-0dfada43110d_terseLabel_en-US" xlink:label="lab_ifrs-full_JointVenturesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Joint ventures [domain]</link:label>
    <link:label id="lab_ifrs-full_JointVenturesDomain_label_en-US" xlink:label="lab_ifrs-full_JointVenturesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Joint ventures [domain]</link:label>
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    <link:label id="lab_srt_SegmentGeographicalDomain_019b6a75-7640-764a-a2ab-9ad5c5120e49_terseLabel_en-US" xlink:label="lab_srt_SegmentGeographicalDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Geographical [Domain]</link:label>
    <link:label id="lab_srt_SegmentGeographicalDomain_label_en-US" xlink:label="lab_srt_SegmentGeographicalDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Geographical [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_SegmentGeographicalDomain"/>
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    <link:label id="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome_019b6a75-76e4-7ad8-ad6c-13a727c367c0_terseLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income tax expense (recovery) recognized in other comprehensive income</link:label>
    <link:label id="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome_019b6a75-76e4-7df7-baa3-02f039673a65_negatedLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Income tax expense (recovery) recognized in OCI</link:label>
    <link:label id="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income tax relating to components of other comprehensive income</link:label>
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    <link:label id="lab_ifrs-full_MaturityDomain_label_en-US" xlink:label="lab_ifrs-full_MaturityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturity [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MaturityDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MaturityDomain"/>
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    <link:label id="lab_ero_DisclosureOfMajorComponentsOfTaxExpenseIncomeTableTextBlock_documentation_en-US" xlink:label="lab_ero_DisclosureOfMajorComponentsOfTaxExpenseIncomeTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Major Components Of Tax Expense (Income)</link:label>
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    <link:label id="lab_ifrs-full_IncomeTaxExpenseContinuingOperations_019b6a75-7640-7a2a-a557-222d69246ff7_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Income tax expense</link:label>
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    <link:label id="lab_ifrs-full_IncomeTaxExpenseContinuingOperations_label_en-US" xlink:label="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax expense (income)</link:label>
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    <link:label id="lab_dei_EntityAddressPostalZipCode_019b6a75-7640-76c3-867d-54f3cd7b2e12_terseLabel_en-US" xlink:label="lab_dei_EntityAddressPostalZipCode" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Address, Postal Zip Code</link:label>
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    <link:label id="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsExplanatory_019b6a75-76e4-74b6-9ba3-b3c4379d5242_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Number and Weighted Average Remaining Life of Stock Options</link:label>
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    <link:label id="lab_dei_Security12bTitle_019b6a75-7640-7701-9019-0e7eef056f3c_terseLabel_en-US" xlink:label="lab_dei_Security12bTitle" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Title of 12(b) Security</link:label>
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    <link:label id="lab_ero_IncreaseDecreaseThroughShareBasedPaymentTransactionsSettlementOfPerformanceShareUnits_label_en-US" xlink:label="lab_ero_IncreaseDecreaseThroughShareBasedPaymentTransactionsSettlementOfPerformanceShareUnits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Share-Based Payment Transactions, Settlement of Performance Share Units</link:label>
    <link:label id="lab_ero_IncreaseDecreaseThroughShareBasedPaymentTransactionsSettlementOfPerformanceShareUnits_documentation_en-US" xlink:label="lab_ero_IncreaseDecreaseThroughShareBasedPaymentTransactionsSettlementOfPerformanceShareUnits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Share-Based Payment Transactions, Settlement of Performance Share Units</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_IncreaseDecreaseThroughShareBasedPaymentTransactionsSettlementOfPerformanceShareUnits" xlink:href="ero-20251231.xsd#ero_IncreaseDecreaseThroughShareBasedPaymentTransactionsSettlementOfPerformanceShareUnits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_IncreaseDecreaseThroughShareBasedPaymentTransactionsSettlementOfPerformanceShareUnits" xlink:to="lab_ero_IncreaseDecreaseThroughShareBasedPaymentTransactionsSettlementOfPerformanceShareUnits" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents_019b6a75-7640-761e-8bad-66742cae3c14_totalLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net increase (decrease) in cash and cash equivalents</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in cash and cash equivalents after effect of exchange rate changes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:to="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted_019b6a75-76e4-76c2-ba83-fc8de967986a_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Risk-free interest rate (as a percent)</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Risk free interest rate, share options granted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:to="lab_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_ProceedsFromBorrowingsClassifiedAsFinancingActivitiesNet_019b6a75-76e4-7a4e-9055-64e57cbe6023_terseLabel_en-US" xlink:label="lab_ero_ProceedsFromBorrowingsClassifiedAsFinancingActivitiesNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">New loans and borrowings, net of transaction costs</link:label>
    <link:label id="lab_ero_ProceedsFromBorrowingsClassifiedAsFinancingActivitiesNet_label_en-US" xlink:label="lab_ero_ProceedsFromBorrowingsClassifiedAsFinancingActivitiesNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds From Borrowings, Classified As Financing Activities, Net</link:label>
    <link:label id="lab_ero_ProceedsFromBorrowingsClassifiedAsFinancingActivitiesNet_documentation_en-US" xlink:label="lab_ero_ProceedsFromBorrowingsClassifiedAsFinancingActivitiesNet" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Proceeds From Borrowings, Classified As Financing Activities, Net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_ProceedsFromBorrowingsClassifiedAsFinancingActivitiesNet" xlink:href="ero-20251231.xsd#ero_ProceedsFromBorrowingsClassifiedAsFinancingActivitiesNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_ProceedsFromBorrowingsClassifiedAsFinancingActivitiesNet" xlink:to="lab_ero_ProceedsFromBorrowingsClassifiedAsFinancingActivitiesNet" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_MiningAndOtherContingentLiabilityMember_019b6a75-76e5-7795-8200-8c958faf6012_terseLabel_en-US" xlink:label="lab_ero_MiningAndOtherContingentLiabilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mining and other</link:label>
    <link:label id="lab_ero_MiningAndOtherContingentLiabilityMember_label_en-US" xlink:label="lab_ero_MiningAndOtherContingentLiabilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mining And Other Contingent Liability [Member]</link:label>
    <link:label id="lab_ero_MiningAndOtherContingentLiabilityMember_documentation_en-US" xlink:label="lab_ero_MiningAndOtherContingentLiabilityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mining And Other Contingent Liability</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_MiningAndOtherContingentLiabilityMember" xlink:href="ero-20251231.xsd#ero_MiningAndOtherContingentLiabilityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_MiningAndOtherContingentLiabilityMember" xlink:to="lab_ero_MiningAndOtherContingentLiabilityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory_019b6a75-7640-75de-916e-577d4351f50b_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income per Share</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for earnings per share [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract_019b6a75-76e5-7fb9-ae53-98718eb9e4f4_terseLabel_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of changes in other provisions [abstract]</link:label>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract_label_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reconciliation of changes in other provisions [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" xlink:to="lab_ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_TransactionPriceAllocatedToRemainingPerformanceObligationsPercentageOfPrevailingSpotPrice_019b6a75-7640-7baf-b05f-78a0c4cbe9b5_terseLabel_en-US" xlink:label="lab_ero_TransactionPriceAllocatedToRemainingPerformanceObligationsPercentageOfPrevailingSpotPrice" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of prevailing spot gold price</link:label>
    <link:label id="lab_ero_TransactionPriceAllocatedToRemainingPerformanceObligationsPercentageOfPrevailingSpotPrice_label_en-US" xlink:label="lab_ero_TransactionPriceAllocatedToRemainingPerformanceObligationsPercentageOfPrevailingSpotPrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transaction Price Allocated To Remaining Performance Obligations, Percentage Of Prevailing Spot Price</link:label>
    <link:label id="lab_ero_TransactionPriceAllocatedToRemainingPerformanceObligationsPercentageOfPrevailingSpotPrice_documentation_en-US" xlink:label="lab_ero_TransactionPriceAllocatedToRemainingPerformanceObligationsPercentageOfPrevailingSpotPrice" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Transaction Price Allocated To Remaining Performance Obligations, Percentage Of Prevailing Spot Price</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_TransactionPriceAllocatedToRemainingPerformanceObligationsPercentageOfPrevailingSpotPrice" xlink:href="ero-20251231.xsd#ero_TransactionPriceAllocatedToRemainingPerformanceObligationsPercentageOfPrevailingSpotPrice"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_TransactionPriceAllocatedToRemainingPerformanceObligationsPercentageOfPrevailingSpotPrice" xlink:to="lab_ero_TransactionPriceAllocatedToRemainingPerformanceObligationsPercentageOfPrevailingSpotPrice" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BorrowingCostsCapitalised_019b6a75-7640-78d1-a6cd-6269bae1589c_negatedLabel_en-US" xlink:label="lab_ifrs-full_BorrowingCostsCapitalised" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Borrowing costs capitalised</link:label>
    <link:label id="lab_ifrs-full_BorrowingCostsCapitalised_label_en-US" xlink:label="lab_ifrs-full_BorrowingCostsCapitalised" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowing costs capitalised</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingCostsCapitalised" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BorrowingCostsCapitalised"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingCostsCapitalised" xlink:to="lab_ifrs-full_BorrowingCostsCapitalised" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory_019b6a75-7640-7715-a5e0-94c8c9471249_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related Party Transactions</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of related party [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfRelatedPartyExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:to="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AuditorName_019b6a75-76e5-737e-900b-bfb84e3c282d_terseLabel_en-US" xlink:label="lab_dei_AuditorName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Auditor Name</link:label>
    <link:label id="lab_dei_AuditorName_label_en-US" xlink:label="lab_dei_AuditorName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Auditor Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AuditorName" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AuditorName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AuditorName" xlink:to="lab_dei_AuditorName" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_InventoryAbstract_label_en-US" xlink:label="lab_ero_InventoryAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory [Abstract]</link:label>
    <link:label id="lab_ero_InventoryAbstract_documentation_en-US" xlink:label="lab_ero_InventoryAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Inventory [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_InventoryAbstract" xlink:href="ero-20251231.xsd#ero_InventoryAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_InventoryAbstract" xlink:to="lab_ero_InventoryAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019_019b6a75-76e5-79bd-9789-fcce06a79f2f_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted-average fair value per option (in usd per share)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average share price, share options granted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xlink:to="lab_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RevaluationIncreaseDecreasePropertyPlantAndEquipment_019b6a75-7640-7041-86eb-c16c6795fba8_terseLabel_en-US" xlink:label="lab_ifrs-full_RevaluationIncreaseDecreasePropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change in estimates</link:label>
    <link:label id="lab_ifrs-full_RevaluationIncreaseDecreasePropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_RevaluationIncreaseDecreasePropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revaluation increase (decrease), property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RevaluationIncreaseDecreasePropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RevaluationIncreaseDecreasePropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevaluationIncreaseDecreasePropertyPlantAndEquipment" xlink:to="lab_ifrs-full_RevaluationIncreaseDecreasePropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment_019b7003-d12e-7b9b-953d-83e0578b8bcf_verboseLabel_en-US" xlink:label="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Additions</link:label>
    <link:label id="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additions other than through business combinations, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems_019b6a75-7640-782c-8a9f-469f6b4c079c_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_OtherProvisionsContingentLiabilitiesAndContingentAssetsAbstract_019b6a75-7640-7f25-9c55-9b5369455eeb_terseLabel_en-US" xlink:label="lab_ero_OtherProvisionsContingentLiabilitiesAndContingentAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Provisions, Contingent Liabilities And Contingent Assets [Abstract]</link:label>
    <link:label id="lab_ero_OtherProvisionsContingentLiabilitiesAndContingentAssetsAbstract_label_en-US" xlink:label="lab_ero_OtherProvisionsContingentLiabilitiesAndContingentAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Provisions, Contingent Liabilities And Contingent Assets [Abstract]</link:label>
    <link:label id="lab_ero_OtherProvisionsContingentLiabilitiesAndContingentAssetsAbstract_documentation_en-US" xlink:label="lab_ero_OtherProvisionsContingentLiabilitiesAndContingentAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Provisions, Contingent Liabilities And Contingent Assets [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_OtherProvisionsContingentLiabilitiesAndContingentAssetsAbstract" xlink:href="ero-20251231.xsd#ero_OtherProvisionsContingentLiabilitiesAndContingentAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_OtherProvisionsContingentLiabilitiesAndContingentAssetsAbstract" xlink:to="lab_ero_OtherProvisionsContingentLiabilitiesAndContingentAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_CurrencyRiskBrazilianRealToUSDollarMember_019b6a75-76e5-7efd-bd4b-0310f0f77663_terseLabel_en-US" xlink:label="lab_ero_CurrencyRiskBrazilianRealToUSDollarMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Currency Risk, Brazilian Real to US Dollar</link:label>
    <link:label id="lab_ero_CurrencyRiskBrazilianRealToUSDollarMember_label_en-US" xlink:label="lab_ero_CurrencyRiskBrazilianRealToUSDollarMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Currency Risk, Brazilian Real To US Dollar [Member]</link:label>
    <link:label id="lab_ero_CurrencyRiskBrazilianRealToUSDollarMember_documentation_en-US" xlink:label="lab_ero_CurrencyRiskBrazilianRealToUSDollarMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Currency Risk, Brazilian Real To US Dollar</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_CurrencyRiskBrazilianRealToUSDollarMember" xlink:href="ero-20251231.xsd#ero_CurrencyRiskBrazilianRealToUSDollarMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_CurrencyRiskBrazilianRealToUSDollarMember" xlink:to="lab_ero_CurrencyRiskBrazilianRealToUSDollarMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_UnrealisedForeignExchangeGainsLossesMember_019b6a75-7640-7fa0-aca6-5255b396c4a4_terseLabel_en-US" xlink:label="lab_ifrs-full_UnrealisedForeignExchangeGainsLossesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign exchange</link:label>
    <link:label id="lab_ifrs-full_UnrealisedForeignExchangeGainsLossesMember_label_en-US" xlink:label="lab_ifrs-full_UnrealisedForeignExchangeGainsLossesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrealised foreign exchange gains (losses) [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UnrealisedForeignExchangeGainsLossesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_UnrealisedForeignExchangeGainsLossesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UnrealisedForeignExchangeGainsLossesMember" xlink:to="lab_ifrs-full_UnrealisedForeignExchangeGainsLossesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees_019b6a75-7640-77c9-b4a5-10ecffdcc14b_terseLabel_en-US" xlink:label="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based compensation</link:label>
    <link:label id="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees_label_en-US" xlink:label="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expense from share-based payment transactions with employees</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:to="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentInvestments_019b6a75-7640-77b3-b9a7-4a9f338b91fa_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentInvestments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-term investments</link:label>
    <link:label id="lab_ifrs-full_CurrentInvestments_label_en-US" xlink:label="lab_ifrs-full_CurrentInvestments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current investments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentInvestments" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentInvestments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentInvestments" xlink:to="lab_ifrs-full_CurrentInvestments" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_TaxEffectOfItemsNotTaxableInDeterminingTaxableProfitTaxLoss_019b6a75-7640-7775-83b4-8ca0dab2dd86_negatedTerseLabel_en-US" xlink:label="lab_ero_TaxEffectOfItemsNotTaxableInDeterminingTaxableProfitTaxLoss" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Non deductible (taxable) items</link:label>
    <link:label id="lab_ero_TaxEffectOfItemsNotTaxableInDeterminingTaxableProfitTaxLoss_label_en-US" xlink:label="lab_ero_TaxEffectOfItemsNotTaxableInDeterminingTaxableProfitTaxLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Effect Of Items Not Taxable In Determining Taxable Profit (Tax Loss)</link:label>
    <link:label id="lab_ero_TaxEffectOfItemsNotTaxableInDeterminingTaxableProfitTaxLoss_documentation_en-US" xlink:label="lab_ero_TaxEffectOfItemsNotTaxableInDeterminingTaxableProfitTaxLoss" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tax Effect Of Items Not Taxable In Determining Taxable Profit (Tax Loss)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_TaxEffectOfItemsNotTaxableInDeterminingTaxableProfitTaxLoss" xlink:href="ero-20251231.xsd#ero_TaxEffectOfItemsNotTaxableInDeterminingTaxableProfitTaxLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_TaxEffectOfItemsNotTaxableInDeterminingTaxableProfitTaxLoss" xlink:to="lab_ero_TaxEffectOfItemsNotTaxableInDeterminingTaxableProfitTaxLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_MineClosureCostsMember_019b6a75-7640-7b33-96cf-dde4ad263f46_terseLabel_en-US" xlink:label="lab_ero_MineClosureCostsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mine Closure Costs</link:label>
    <link:label id="lab_ero_MineClosureCostsMember_label_en-US" xlink:label="lab_ero_MineClosureCostsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mine Closure Costs [Member]</link:label>
    <link:label id="lab_ero_MineClosureCostsMember_documentation_en-US" xlink:label="lab_ero_MineClosureCostsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mine Closure Costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_MineClosureCostsMember" xlink:href="ero-20251231.xsd#ero_MineClosureCostsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_MineClosureCostsMember" xlink:to="lab_ero_MineClosureCostsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory_019b6a75-76e4-7952-9a70-8fa9a01eccda_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Disaggregation of Revenue</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of disaggregation of revenue from contracts with customers [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeStatementAbstract_label_en-US" xlink:label="lab_ifrs-full_IncomeStatementAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit or loss [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeStatementAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeStatementAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeStatementAbstract" xlink:to="lab_ifrs-full_IncomeStatementAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_NumberOfEqualMonthlyPaymentsBorrowings_019b6a75-7640-772f-93fc-754276a11c6b_terseLabel_en-US" xlink:label="lab_ero_NumberOfEqualMonthlyPaymentsBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of equal monthly installments</link:label>
    <link:label id="lab_ero_NumberOfEqualMonthlyPaymentsBorrowings_label_en-US" xlink:label="lab_ero_NumberOfEqualMonthlyPaymentsBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Equal Monthly Payments, Borrowings</link:label>
    <link:label id="lab_ero_NumberOfEqualMonthlyPaymentsBorrowings_documentation_en-US" xlink:label="lab_ero_NumberOfEqualMonthlyPaymentsBorrowings" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Equal Monthly Payments, Borrowings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_NumberOfEqualMonthlyPaymentsBorrowings" xlink:href="ero-20251231.xsd#ero_NumberOfEqualMonthlyPaymentsBorrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_NumberOfEqualMonthlyPaymentsBorrowings" xlink:to="lab_ero_NumberOfEqualMonthlyPaymentsBorrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_DisclosureOfAccountingPolicyForTaxIncentivesPolicyTextBlock_019b6a75-7640-76eb-9eac-9e8cf2812134_terseLabel_en-US" xlink:label="lab_ero_DisclosureOfAccountingPolicyForTaxIncentivesPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax Incentives</link:label>
    <link:label id="lab_ero_DisclosureOfAccountingPolicyForTaxIncentivesPolicyTextBlock_label_en-US" xlink:label="lab_ero_DisclosureOfAccountingPolicyForTaxIncentivesPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Accounting Policy For Tax Incentives [Policy Text Block]</link:label>
    <link:label id="lab_ero_DisclosureOfAccountingPolicyForTaxIncentivesPolicyTextBlock_documentation_en-US" xlink:label="lab_ero_DisclosureOfAccountingPolicyForTaxIncentivesPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Accounting Policy For Tax Incentives</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DisclosureOfAccountingPolicyForTaxIncentivesPolicyTextBlock" xlink:href="ero-20251231.xsd#ero_DisclosureOfAccountingPolicyForTaxIncentivesPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_DisclosureOfAccountingPolicyForTaxIncentivesPolicyTextBlock" xlink:to="lab_ero_DisclosureOfAccountingPolicyForTaxIncentivesPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageMember_019b6a75-76e5-7dcf-87e7-51b1d2f32ec6_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageMember_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_WeightedAverageMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageMember" xlink:to="lab_ifrs-full_WeightedAverageMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfCreditRiskExposureLineItems_019b6a75-76e4-78ff-bdd5-146b7ef9e80f_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfCreditRiskExposureLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of credit risk exposure [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfCreditRiskExposureLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfCreditRiskExposureLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of credit risk exposure [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfCreditRiskExposureLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfCreditRiskExposureLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfCreditRiskExposureLineItems" xlink:to="lab_ifrs-full_DisclosureOfCreditRiskExposureLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentAdvancesToSuppliers_019b6a75-76e4-7c34-a629-130d5a9f1e10_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentAdvancesToSuppliers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Advances to suppliers</link:label>
    <link:label id="lab_ifrs-full_CurrentAdvancesToSuppliers_label_en-US" xlink:label="lab_ifrs-full_CurrentAdvancesToSuppliers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current advances to suppliers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentAdvancesToSuppliers" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentAdvancesToSuppliers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentAdvancesToSuppliers" xlink:to="lab_ifrs-full_CurrentAdvancesToSuppliers" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageShares_019b6a75-76e4-7980-b21f-b991146fb2aa_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basic (in shares)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageShares_019b6a75-76e4-78d1-be4f-fd5a8e494e58_verboseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageShares" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Weighted average number of common shares outstanding (in shares)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageShares_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average number of ordinary shares used in calculating basic earnings per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_WeightedAverageShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageShares" xlink:to="lab_ifrs-full_WeightedAverageShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Borrowings_019b6a75-7640-74ff-aaff-85c287536089_totalLabel_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Carrying value, including accrued interest</link:label>
    <link:label id="lab_ifrs-full_Borrowings_019b6a75-7640-7455-b21b-1af12d5d90f6_periodStartLabel_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balance, beginning of year</link:label>
    <link:label id="lab_ifrs-full_Borrowings_019b6a75-7640-7283-be92-a6e34f6fc322_periodEndLabel_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balance, end of year</link:label>
    <link:label id="lab_ifrs-full_Borrowings_019b6a75-7640-7b47-a277-e758acadc3e6_terseLabel_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings</link:label>
    <link:label id="lab_ifrs-full_Borrowings_label_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Borrowings" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Borrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Borrowings" xlink:to="lab_ifrs-full_Borrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_DisclosureOfDetailedInformationAboutInventoriesTableTextBlock_019b6a75-76e5-7372-8d54-ca6274e999a0_terseLabel_en-US" xlink:label="lab_ero_DisclosureOfDetailedInformationAboutInventoriesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Components of Inventories</link:label>
    <link:label id="lab_ero_DisclosureOfDetailedInformationAboutInventoriesTableTextBlock_label_en-US" xlink:label="lab_ero_DisclosureOfDetailedInformationAboutInventoriesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Inventories [Table Text Block]</link:label>
    <link:label id="lab_ero_DisclosureOfDetailedInformationAboutInventoriesTableTextBlock_documentation_en-US" xlink:label="lab_ero_DisclosureOfDetailedInformationAboutInventoriesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Inventories</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DisclosureOfDetailedInformationAboutInventoriesTableTextBlock" xlink:href="ero-20251231.xsd#ero_DisclosureOfDetailedInformationAboutInventoriesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_DisclosureOfDetailedInformationAboutInventoriesTableTextBlock" xlink:to="lab_ero_DisclosureOfDetailedInformationAboutInventoriesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits_019b6a75-7640-7ce1-82bb-928964426fbd_terseLabel_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Salaries and short-term benefits</link:label>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits_label_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key management personnel compensation, short-term employee benefits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:to="lab_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_CostOfSalesProduction_019b6a75-7640-757a-9d4e-a4bbd443ea37_negatedNetLabel_en-US" xlink:label="lab_ero_CostOfSalesProduction" xlink:role="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:type="resource" xml:lang="en-US">Cost Of Sales, Production</link:label>
    <link:label id="lab_ero_CostOfSalesProduction_019b6a75-7640-78db-82d8-2d1df1df962f_totalLabel_en-US" xlink:label="lab_ero_CostOfSalesProduction" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Cost Of Production</link:label>
    <link:label id="lab_ero_CostOfSalesProduction_label_en-US" xlink:label="lab_ero_CostOfSalesProduction" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost Of Sales, Production</link:label>
    <link:label id="lab_ero_CostOfSalesProduction_documentation_en-US" xlink:label="lab_ero_CostOfSalesProduction" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cost Of Sales, Production</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_CostOfSalesProduction" xlink:href="ero-20251231.xsd#ero_CostOfSalesProduction"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_CostOfSalesProduction" xlink:to="lab_ero_CostOfSalesProduction" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TopOfRangeMember_019b6a75-76e4-7636-8fbb-e1c4ec360b98_terseLabel_en-US" xlink:label="lab_ifrs-full_TopOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Top of range</link:label>
    <link:label id="lab_ifrs-full_TopOfRangeMember_label_en-US" xlink:label="lab_ifrs-full_TopOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Top of range [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TopOfRangeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TopOfRangeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TopOfRangeMember" xlink:to="lab_ifrs-full_TopOfRangeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_RangeFourOfExercisePricesForOutstandingShareOptionsMember_019b6a75-7640-74bf-8bac-0357cf388e78_terseLabel_en-US" xlink:label="lab_ero_RangeFourOfExercisePricesForOutstandingShareOptionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$22.41 CAD ($16.35 USD)</link:label>
    <link:label id="lab_ero_RangeFourOfExercisePricesForOutstandingShareOptionsMember_label_en-US" xlink:label="lab_ero_RangeFourOfExercisePricesForOutstandingShareOptionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Range four of exercise prices for outstanding share options [Member]</link:label>
    <link:label id="lab_ero_RangeFourOfExercisePricesForOutstandingShareOptionsMember_documentation_en-US" xlink:label="lab_ero_RangeFourOfExercisePricesForOutstandingShareOptionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Range four of exercise prices for outstanding share options</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_RangeFourOfExercisePricesForOutstandingShareOptionsMember" xlink:href="ero-20251231.xsd#ero_RangeFourOfExercisePricesForOutstandingShareOptionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_RangeFourOfExercisePricesForOutstandingShareOptionsMember" xlink:to="lab_ero_RangeFourOfExercisePricesForOutstandingShareOptionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LongtermProvisionForDecommissioningRestorationAndRehabilitationCosts_019b6a75-76e4-7ae8-8128-8a3ef4ed55f2_terseLabel_en-US" xlink:label="lab_ifrs-full_LongtermProvisionForDecommissioningRestorationAndRehabilitationCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for rehabilitation and closure costs</link:label>
    <link:label id="lab_ifrs-full_LongtermProvisionForDecommissioningRestorationAndRehabilitationCosts_label_en-US" xlink:label="lab_ifrs-full_LongtermProvisionForDecommissioningRestorationAndRehabilitationCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current provision for decommissioning, restoration and rehabilitation costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LongtermProvisionForDecommissioningRestorationAndRehabilitationCosts" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LongtermProvisionForDecommissioningRestorationAndRehabilitationCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LongtermProvisionForDecommissioningRestorationAndRehabilitationCosts" xlink:to="lab_ifrs-full_LongtermProvisionForDecommissioningRestorationAndRehabilitationCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests_019b6a75-7640-7995-91e4-1e8953a2ccaa_terseLabel_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-controlling interests</link:label>
    <link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests_label_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive income, attributable to non-controlling interests</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:to="lab_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentLeaseLiabilities_019b6a75-76e4-7754-8cee-ebdc254806ac_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current portion of lease liabilities</link:label>
    <link:label id="lab_ifrs-full_CurrentLeaseLiabilities_label_en-US" xlink:label="lab_ifrs-full_CurrentLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current lease liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentLeaseLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentLeaseLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentLeaseLiabilities" xlink:to="lab_ifrs-full_CurrentLeaseLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_ForfeitureRateShareOptionsGranted_019b6a75-7640-7ebd-80cd-a59e479b3c25_terseLabel_en-US" xlink:label="lab_ero_ForfeitureRateShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Forfeiture rate (as a percent)</link:label>
    <link:label id="lab_ero_ForfeitureRateShareOptionsGranted_label_en-US" xlink:label="lab_ero_ForfeitureRateShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Forfeiture Rate, Share Options Granted</link:label>
    <link:label id="lab_ero_ForfeitureRateShareOptionsGranted_documentation_en-US" xlink:label="lab_ero_ForfeitureRateShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Forfeiture Rate, Share Options Granted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_ForfeitureRateShareOptionsGranted" xlink:href="ero-20251231.xsd#ero_ForfeitureRateShareOptionsGranted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_ForfeitureRateShareOptionsGranted" xlink:to="lab_ero_ForfeitureRateShareOptionsGranted" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperations_019b6a75-76e4-78e0-a5f3-9fd2851f8c78_totalLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperations" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Cash flows from operations</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperations_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) operations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperations" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperations" xlink:to="lab_ifrs-full_CashFlowsFromUsedInOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment_019b6a75-7640-70ff-815b-27554d616944_terseLabel_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based payments</link:label>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment_label_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key management personnel compensation, share-based payment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:to="lab_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_CostOfSalesContractedServices_019b6a75-7640-7f65-a7b3-fcf7de533ccc_terseLabel_en-US" xlink:label="lab_ero_CostOfSalesContractedServices" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contracted services</link:label>
    <link:label id="lab_ero_CostOfSalesContractedServices_label_en-US" xlink:label="lab_ero_CostOfSalesContractedServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost Of Sales, Contracted Services</link:label>
    <link:label id="lab_ero_CostOfSalesContractedServices_documentation_en-US" xlink:label="lab_ero_CostOfSalesContractedServices" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cost Of Sales, Contracted Services</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_CostOfSalesContractedServices" xlink:href="ero-20251231.xsd#ero_CostOfSalesContractedServices"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_CostOfSalesContractedServices" xlink:to="lab_ero_CostOfSalesContractedServices" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrencyRiskMember_019b6a75-7640-7346-b0e6-1e22b046ba4a_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrencyRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign exchange currency risk</link:label>
    <link:label id="lab_ifrs-full_CurrencyRiskMember_label_en-US" xlink:label="lab_ifrs-full_CurrencyRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Currency risk [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrencyRiskMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrencyRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrencyRiskMember" xlink:to="lab_ifrs-full_CurrencyRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember_019b6a75-7640-7037-9036-0c601213b450_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">1 - 2 years</link:label>
    <link:label id="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than one year and not later than two years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:to="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities_019b6a75-7640-7bed-a5a2-f690f0126104_verboseLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from loans and borrowings</link:label>
    <link:label id="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from borrowings, classified as financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DepreciationAndAmortisationExpense_019b6a75-7640-742a-a3d3-e1433d8bbaa3_terseLabel_en-US" xlink:label="lab_ifrs-full_DepreciationAndAmortisationExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization and depreciation</link:label>
    <link:label id="lab_ifrs-full_DepreciationAndAmortisationExpense_label_en-US" xlink:label="lab_ifrs-full_DepreciationAndAmortisationExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation and amortisation expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DepreciationAndAmortisationExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DepreciationAndAmortisationExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepreciationAndAmortisationExpense" xlink:to="lab_ifrs-full_DepreciationAndAmortisationExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_MCSAMiningComplexMember_019b6a75-7640-751b-b4fd-c2b20f0cda3d_terseLabel_en-US" xlink:label="lab_ero_MCSAMiningComplexMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">MCSA Mining Complex</link:label>
    <link:label id="lab_ero_MCSAMiningComplexMember_019b6a75-7640-7b0f-af98-c8acd3ed5a88_verboseLabel_en-US" xlink:label="lab_ero_MCSAMiningComplexMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">MCSA</link:label>
    <link:label id="lab_ero_MCSAMiningComplexMember_label_en-US" xlink:label="lab_ero_MCSAMiningComplexMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">MCSA Mining Complex [Member]</link:label>
    <link:label id="lab_ero_MCSAMiningComplexMember_documentation_en-US" xlink:label="lab_ero_MCSAMiningComplexMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">MCSA Mining Complex</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_MCSAMiningComplexMember" xlink:href="ero-20251231.xsd#ero_MCSAMiningComplexMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_MCSAMiningComplexMember" xlink:to="lab_ero_MCSAMiningComplexMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax_019b6a75-7640-7ca7-b18e-73b5904f9fa3_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrealized gain (loss)</link:label>
    <link:label id="lab_ifrs-full_GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax_label_en-US" xlink:label="lab_ifrs-full_GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (losses) on financial assets measured at fair value through other comprehensive income, net of tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax" xlink:to="lab_ifrs-full_GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_PaymentsForOtherFinanceExpenses_019b6a75-76e4-79ed-944d-41185f3555af_negatedTerseLabel_en-US" xlink:label="lab_ero_PaymentsForOtherFinanceExpenses" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Other finance expenses paid</link:label>
    <link:label id="lab_ero_PaymentsForOtherFinanceExpenses_label_en-US" xlink:label="lab_ero_PaymentsForOtherFinanceExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments For Other Finance Expenses</link:label>
    <link:label id="lab_ero_PaymentsForOtherFinanceExpenses_documentation_en-US" xlink:label="lab_ero_PaymentsForOtherFinanceExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Payments For Other Finance Expenses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_PaymentsForOtherFinanceExpenses" xlink:href="ero-20251231.xsd#ero_PaymentsForOtherFinanceExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_PaymentsForOtherFinanceExpenses" xlink:to="lab_ero_PaymentsForOtherFinanceExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_NumberOfOperatingMines_019b6a75-7640-705a-ac38-b4f35ed0560d_terseLabel_en-US" xlink:label="lab_ero_NumberOfOperatingMines" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number Of operating mines</link:label>
    <link:label id="lab_ero_NumberOfOperatingMines_label_en-US" xlink:label="lab_ero_NumberOfOperatingMines" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Operating Mines</link:label>
    <link:label id="lab_ero_NumberOfOperatingMines_documentation_en-US" xlink:label="lab_ero_NumberOfOperatingMines" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Operating Mines</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_NumberOfOperatingMines" xlink:href="ero-20251231.xsd#ero_NumberOfOperatingMines"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_NumberOfOperatingMines" xlink:to="lab_ero_NumberOfOperatingMines" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_PropertyPlantAndEquipmentRelatedTemporaryDifferencesMember_019b6a75-76e4-70ad-adcd-2ccd669a0fe6_terseLabel_en-US" xlink:label="lab_ero_PropertyPlantAndEquipmentRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mineral properties, plant and equipment</link:label>
    <link:label id="lab_ero_PropertyPlantAndEquipmentRelatedTemporaryDifferencesMember_label_en-US" xlink:label="lab_ero_PropertyPlantAndEquipmentRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant And Equipment Related Temporary Differences [Member]</link:label>
    <link:label id="lab_ero_PropertyPlantAndEquipmentRelatedTemporaryDifferencesMember_documentation_en-US" xlink:label="lab_ero_PropertyPlantAndEquipmentRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Property, Plant And Equipment Related Temporary Differences</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_PropertyPlantAndEquipmentRelatedTemporaryDifferencesMember" xlink:href="ero-20251231.xsd#ero_PropertyPlantAndEquipmentRelatedTemporaryDifferencesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_PropertyPlantAndEquipmentRelatedTemporaryDifferencesMember" xlink:to="lab_ero_PropertyPlantAndEquipmentRelatedTemporaryDifferencesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_BorrowingsRedemptionPeriodOneMember_019b6a75-7640-70a0-ba5a-aa314a2f772a_terseLabel_en-US" xlink:label="lab_ero_BorrowingsRedemptionPeriodOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Redemption period one</link:label>
    <link:label id="lab_ero_BorrowingsRedemptionPeriodOneMember_label_en-US" xlink:label="lab_ero_BorrowingsRedemptionPeriodOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings, Redemption Period One [Member]</link:label>
    <link:label id="lab_ero_BorrowingsRedemptionPeriodOneMember_documentation_en-US" xlink:label="lab_ero_BorrowingsRedemptionPeriodOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowings, Redemption Period One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_BorrowingsRedemptionPeriodOneMember" xlink:href="ero-20251231.xsd#ero_BorrowingsRedemptionPeriodOneMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_BorrowingsRedemptionPeriodOneMember" xlink:to="lab_ero_BorrowingsRedemptionPeriodOneMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_DecommissioningRestorationAndRehabilitationCostsRelatedTemporaryDifferencesMember_019b6a75-76e5-75da-a662-52aafca0c21b_terseLabel_en-US" xlink:label="lab_ero_DecommissioningRestorationAndRehabilitationCostsRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mine closure and rehabilitation provision</link:label>
    <link:label id="lab_ero_DecommissioningRestorationAndRehabilitationCostsRelatedTemporaryDifferencesMember_label_en-US" xlink:label="lab_ero_DecommissioningRestorationAndRehabilitationCostsRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decommissioning, Restoration And Rehabilitation Costs Related Temporary Differences [Member]</link:label>
    <link:label id="lab_ero_DecommissioningRestorationAndRehabilitationCostsRelatedTemporaryDifferencesMember_documentation_en-US" xlink:label="lab_ero_DecommissioningRestorationAndRehabilitationCostsRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Decommissioning, Restoration And Rehabilitation Costs Related Temporary Differences</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DecommissioningRestorationAndRehabilitationCostsRelatedTemporaryDifferencesMember" xlink:href="ero-20251231.xsd#ero_DecommissioningRestorationAndRehabilitationCostsRelatedTemporaryDifferencesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_DecommissioningRestorationAndRehabilitationCostsRelatedTemporaryDifferencesMember" xlink:to="lab_ero_DecommissioningRestorationAndRehabilitationCostsRelatedTemporaryDifferencesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsTable_019b6a75-7640-7b45-9699-b27e726deed5_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of other provisions [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of other provisions [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfOtherProvisionsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:to="lab_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfBorrowingsExplanatory_019b6a75-76e4-7d4d-a45d-17e0399b1f20_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and Borrowings</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfBorrowingsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of borrowings [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfBorrowingsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_CostOfSalesOtherExpense_019ca55f-65aa-725e-a776-c6eb030e787a_negatedTerseLabel_en-US" xlink:label="lab_ero_CostOfSalesOtherExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Other expenses</link:label>
    <link:label id="lab_ero_CostOfSalesOtherExpense_019ca4ba-e849-7baf-add3-6dca904bd14c_terseLabel_en-US" xlink:label="lab_ero_CostOfSalesOtherExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other expense</link:label>
    <link:label id="lab_ero_CostOfSalesOtherExpense_label_en-US" xlink:label="lab_ero_CostOfSalesOtherExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost Of Sales, Other Expense</link:label>
    <link:label id="lab_ero_CostOfSalesOtherExpense_documentation_en-US" xlink:label="lab_ero_CostOfSalesOtherExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cost Of Sales, Other Expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_CostOfSalesOtherExpense" xlink:href="ero-20251231.xsd#ero_CostOfSalesOtherExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_CostOfSalesOtherExpense" xlink:to="lab_ero_CostOfSalesOtherExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RevenueFromContractsWithCustomers_019b6a75-7640-7cb4-8ff4-c6f207de122d_terseLabel_en-US" xlink:label="lab_ifrs-full_RevenueFromContractsWithCustomers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue</link:label>
    <link:label id="lab_ifrs-full_RevenueFromContractsWithCustomers_label_en-US" xlink:label="lab_ifrs-full_RevenueFromContractsWithCustomers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue from contracts with customers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RevenueFromContractsWithCustomers" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RevenueFromContractsWithCustomers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueFromContractsWithCustomers" xlink:to="lab_ifrs-full_RevenueFromContractsWithCustomers" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressCityOrTown_019b6a75-76e4-7161-89bb-5d952320034d_terseLabel_en-US" xlink:label="lab_dei_EntityAddressCityOrTown" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Address, City or Town</link:label>
    <link:label id="lab_dei_EntityAddressCityOrTown_label_en-US" xlink:label="lab_dei_EntityAddressCityOrTown" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Address, City or Town</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressCityOrTown"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressCityOrTown" xlink:to="lab_dei_EntityAddressCityOrTown" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_NumberOfOtherEquityInstrumentsSettledInShareBasedPaymentArrangement_019b6a75-7640-7fc5-8eef-f45e9386a8d8_negatedTerseLabel_en-US" xlink:label="lab_ero_NumberOfOtherEquityInstrumentsSettledInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Settled</link:label>
    <link:label id="lab_ero_NumberOfOtherEquityInstrumentsSettledInShareBasedPaymentArrangement_label_en-US" xlink:label="lab_ero_NumberOfOtherEquityInstrumentsSettledInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Other Equity Instruments Settled In Share-Based Payment Arrangement</link:label>
    <link:label id="lab_ero_NumberOfOtherEquityInstrumentsSettledInShareBasedPaymentArrangement_documentation_en-US" xlink:label="lab_ero_NumberOfOtherEquityInstrumentsSettledInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Other Equity Instruments Settled In Share-Based Payment Arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_NumberOfOtherEquityInstrumentsSettledInShareBasedPaymentArrangement" xlink:href="ero-20251231.xsd#ero_NumberOfOtherEquityInstrumentsSettledInShareBasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_NumberOfOtherEquityInstrumentsSettledInShareBasedPaymentArrangement" xlink:to="lab_ero_NumberOfOtherEquityInstrumentsSettledInShareBasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ConstructionInProgressMember_019b6a75-7640-7cf7-a8a7-706fe09f5678_terseLabel_en-US" xlink:label="lab_ifrs-full_ConstructionInProgressMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Projects in Progres</link:label>
    <link:label id="lab_ifrs-full_ConstructionInProgressMember_label_en-US" xlink:label="lab_ifrs-full_ConstructionInProgressMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Construction in progress [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ConstructionInProgressMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ConstructionInProgressMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ConstructionInProgressMember" xlink:to="lab_ifrs-full_ConstructionInProgressMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossBeforeTax_019b6a75-76e5-7ec9-836e-9debcf27c8da_totalLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Income (loss) before income taxes</link:label>
    <link:label id="lab_ifrs-full_ProfitLossBeforeTax_019b6a75-76e5-7b2b-87d5-65a5049e2d63_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income (loss) in the year before tax</link:label>
    <link:label id="lab_ifrs-full_ProfitLossBeforeTax_label_en-US" xlink:label="lab_ifrs-full_ProfitLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss) before tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossBeforeTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossBeforeTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossBeforeTax" xlink:to="lab_ifrs-full_ProfitLossBeforeTax" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ContractualCapitalCommitments_019b6a75-76e4-7cb8-b681-8c23520e0be0_terseLabel_en-US" xlink:label="lab_ifrs-full_ContractualCapitalCommitments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contractual capital commitments</link:label>
    <link:label id="lab_ifrs-full_ContractualCapitalCommitments_label_en-US" xlink:label="lab_ifrs-full_ContractualCapitalCommitments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractual capital commitments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ContractualCapitalCommitments" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ContractualCapitalCommitments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ContractualCapitalCommitments" xlink:to="lab_ifrs-full_ContractualCapitalCommitments" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_DescriptionOfAccountingPolicyForBasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock_019b6a75-7640-72e0-b9ba-e0f6077b6e5c_terseLabel_en-US" xlink:label="lab_ero_DescriptionOfAccountingPolicyForBasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basis of Presentation and Principles of Consolidation</link:label>
    <link:label id="lab_ero_DescriptionOfAccountingPolicyForBasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock_label_en-US" xlink:label="lab_ero_DescriptionOfAccountingPolicyForBasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description Of Accounting Policy For Basis Of Presentation And Principles Of Consolidation [Policy Text Block]</link:label>
    <link:label id="lab_ero_DescriptionOfAccountingPolicyForBasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock_documentation_en-US" xlink:label="lab_ero_DescriptionOfAccountingPolicyForBasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Description Of Accounting Policy For Basis Of Presentation And Principles Of Consolidation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DescriptionOfAccountingPolicyForBasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock" xlink:href="ero-20251231.xsd#ero_DescriptionOfAccountingPolicyForBasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_DescriptionOfAccountingPolicyForBasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock" xlink:to="lab_ero_DescriptionOfAccountingPolicyForBasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax_019b6a75-7640-721e-80b8-c1e7a6a5c79a_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Value added tax, royalty and other tax payable</link:label>
    <link:label id="lab_ifrs-full_CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax_label_en-US" xlink:label="lab_ifrs-full_CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current payables on social security and taxes other than income tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax" xlink:to="lab_ifrs-full_CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GeneralAndAdministrativeExpense_019b6a75-7640-758c-b8e9-2f06224d807c_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_GeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">General and administrative</link:label>
    <link:label id="lab_ifrs-full_GeneralAndAdministrativeExpense_019b6a75-7640-77c4-8e75-9a1628b83394_totalLabel_en-US" xlink:label="lab_ifrs-full_GeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">General and administrative</link:label>
    <link:label id="lab_ifrs-full_GeneralAndAdministrativeExpense_label_en-US" xlink:label="lab_ifrs-full_GeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">General and administrative expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GeneralAndAdministrativeExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GeneralAndAdministrativeExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GeneralAndAdministrativeExpense" xlink:to="lab_ifrs-full_GeneralAndAdministrativeExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfContingentLiabilitiesLineItems_019b6a75-7640-797d-9605-6eec56a84b17_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of contingent liabilities [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfContingentLiabilitiesLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of contingent liabilities [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfContingentLiabilitiesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:to="lab_ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ApplicableTaxRate_019b6a75-7640-777b-99b8-f249a3d86323_terseLabel_en-US" xlink:label="lab_ifrs-full_ApplicableTaxRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax rate</link:label>
    <link:label id="lab_ifrs-full_ApplicableTaxRate_label_en-US" xlink:label="lab_ifrs-full_ApplicableTaxRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Applicable tax rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ApplicableTaxRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ApplicableTaxRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ApplicableTaxRate" xlink:to="lab_ifrs-full_ApplicableTaxRate" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityFileNumber_019b6a75-76e4-767e-b6e1-f3f751fd8730_terseLabel_en-US" xlink:label="lab_dei_EntityFileNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity File Number</link:label>
    <link:label id="lab_dei_EntityFileNumber_label_en-US" xlink:label="lab_dei_EntityFileNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity File Number</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityFileNumber"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityFileNumber" xlink:to="lab_dei_EntityFileNumber" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ValueAddedTaxReceivables_019b6a75-7640-7e2e-bbec-1ff2e7b2c392_terseLabel_en-US" xlink:label="lab_ifrs-full_ValueAddedTaxReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Value added taxes recoverable</link:label>
    <link:label id="lab_ifrs-full_ValueAddedTaxReceivables_label_en-US" xlink:label="lab_ifrs-full_ValueAddedTaxReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Value added tax receivables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ValueAddedTaxReceivables" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ValueAddedTaxReceivables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ValueAddedTaxReceivables" xlink:to="lab_ifrs-full_ValueAddedTaxReceivables" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_ContractLiabilitiesQuantityRequiredToBeDelivered_019b6a75-7640-7737-ba36-956f6434d8ce_terseLabel_en-US" xlink:label="lab_ero_ContractLiabilitiesQuantityRequiredToBeDelivered" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Quantity of gold required to be delivered (in ounce)</link:label>
    <link:label id="lab_ero_ContractLiabilitiesQuantityRequiredToBeDelivered_label_en-US" xlink:label="lab_ero_ContractLiabilitiesQuantityRequiredToBeDelivered" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contract Liabilities, Quantity Required To Be Delivered</link:label>
    <link:label id="lab_ero_ContractLiabilitiesQuantityRequiredToBeDelivered_documentation_en-US" xlink:label="lab_ero_ContractLiabilitiesQuantityRequiredToBeDelivered" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contract Liabilities, Quantity Required To Be Delivered</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_ContractLiabilitiesQuantityRequiredToBeDelivered" xlink:href="ero-20251231.xsd#ero_ContractLiabilitiesQuantityRequiredToBeDelivered"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_ContractLiabilitiesQuantityRequiredToBeDelivered" xlink:to="lab_ero_ContractLiabilitiesQuantityRequiredToBeDelivered" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory_019b6a75-76e4-7cb7-9094-7550452d2a45_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Taxation</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for income tax [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IssuedCapitalMember_019b6a75-76e5-7dad-a9c9-c2376a32845b_terseLabel_en-US" xlink:label="lab_ifrs-full_IssuedCapitalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share Capital</link:label>
    <link:label id="lab_ifrs-full_IssuedCapitalMember_label_en-US" xlink:label="lab_ifrs-full_IssuedCapitalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issued capital [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IssuedCapitalMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IssuedCapitalMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IssuedCapitalMember" xlink:to="lab_ifrs-full_IssuedCapitalMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_IncreaseDecreaseThroughShareBasedPaymentTransactionsSettlementOfRestrictedShareUnits_019b6a75-7640-78b1-9ffd-17aacdc5571d_terseLabel_en-US" xlink:label="lab_ero_IncreaseDecreaseThroughShareBasedPaymentTransactionsSettlementOfRestrictedShareUnits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Settlement of restricted share units</link:label>
    <link:label id="lab_ero_IncreaseDecreaseThroughShareBasedPaymentTransactionsSettlementOfRestrictedShareUnits_label_en-US" xlink:label="lab_ero_IncreaseDecreaseThroughShareBasedPaymentTransactionsSettlementOfRestrictedShareUnits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Share-Based Payment Transactions, Settlement of Restricted Share Units</link:label>
    <link:label id="lab_ero_IncreaseDecreaseThroughShareBasedPaymentTransactionsSettlementOfRestrictedShareUnits_documentation_en-US" xlink:label="lab_ero_IncreaseDecreaseThroughShareBasedPaymentTransactionsSettlementOfRestrictedShareUnits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Through Share-Based Payment Transactions, Settlement of Restricted Share Units</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_IncreaseDecreaseThroughShareBasedPaymentTransactionsSettlementOfRestrictedShareUnits" xlink:href="ero-20251231.xsd#ero_IncreaseDecreaseThroughShareBasedPaymentTransactionsSettlementOfRestrictedShareUnits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_IncreaseDecreaseThroughShareBasedPaymentTransactionsSettlementOfRestrictedShareUnits" xlink:to="lab_ero_IncreaseDecreaseThroughShareBasedPaymentTransactionsSettlementOfRestrictedShareUnits" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_019b6a75-7640-7ddc-b0c3-9fd59b4fe4b7_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Additions to mineral properties, plant and equipment</link:label>
    <link:label id="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_label_en-US" xlink:label="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase of property, plant and equipment, classified as investing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:to="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentFiscalYearFocus_019b6a75-7640-7e00-ac3d-8cf080b9377d_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Fiscal Year Focus</link:label>
    <link:label id="lab_dei_DocumentFiscalYearFocus_label_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Fiscal Year Focus</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentFiscalYearFocus"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalYearFocus" xlink:to="lab_dei_DocumentFiscalYearFocus" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_CopperPrepaymentFacilityMember_019b6a75-7640-7aa5-8165-0852605f5254_terseLabel_en-US" xlink:label="lab_ero_CopperPrepaymentFacilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Copper Prepayment Facility</link:label>
    <link:label id="lab_ero_CopperPrepaymentFacilityMember_label_en-US" xlink:label="lab_ero_CopperPrepaymentFacilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Copper Prepayment Facility [Member]</link:label>
    <link:label id="lab_ero_CopperPrepaymentFacilityMember_documentation_en-US" xlink:label="lab_ero_CopperPrepaymentFacilityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Copper Prepayment Facility</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_CopperPrepaymentFacilityMember" xlink:href="ero-20251231.xsd#ero_CopperPrepaymentFacilityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_CopperPrepaymentFacilityMember" xlink:to="lab_ero_CopperPrepaymentFacilityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentValueAddedTaxReceivables_019b6a75-76e5-7545-a21e-af7a16298fe1_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentValueAddedTaxReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Value added taxes recoverable</link:label>
    <link:label id="lab_ifrs-full_CurrentValueAddedTaxReceivables_label_en-US" xlink:label="lab_ifrs-full_CurrentValueAddedTaxReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current value added tax receivables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentValueAddedTaxReceivables" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentValueAddedTaxReceivables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentValueAddedTaxReceivables" xlink:to="lab_ifrs-full_CurrentValueAddedTaxReceivables" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressAddressLine1_019b6a75-7640-7522-bdd4-72f6fb38dae8_terseLabel_en-US" xlink:label="lab_dei_EntityAddressAddressLine1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Address, Address Line One</link:label>
    <link:label id="lab_dei_EntityAddressAddressLine1_label_en-US" xlink:label="lab_dei_EntityAddressAddressLine1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Address, Address Line One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressAddressLine1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressAddressLine1" xlink:to="lab_dei_EntityAddressAddressLine1" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfAssetsDomain_019b6a75-7640-7bdd-83ce-576bb3be6017_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of assets [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfAssetsDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of assets [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfAssetsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfAssetsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfAssetsDomain" xlink:to="lab_ifrs-full_ClassesOfAssetsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressAddressLine2_019b6a75-76e5-7625-be4f-0c02345c051e_terseLabel_en-US" xlink:label="lab_dei_EntityAddressAddressLine2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Address, Address Line Two</link:label>
    <link:label id="lab_dei_EntityAddressAddressLine2_label_en-US" xlink:label="lab_dei_EntityAddressAddressLine2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Address, Address Line Two</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine2" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressAddressLine2"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressAddressLine2" xlink:to="lab_dei_EntityAddressAddressLine2" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_ScheduleOfDeferredRevenueTableTextBlock_019b6a75-7640-7ade-a888-85de0c1e18ea_terseLabel_en-US" xlink:label="lab_ero_ScheduleOfDeferredRevenueTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Deferred Revenue</link:label>
    <link:label id="lab_ero_ScheduleOfDeferredRevenueTableTextBlock_label_en-US" xlink:label="lab_ero_ScheduleOfDeferredRevenueTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Deferred Revenue [Table Text Block]</link:label>
    <link:label id="lab_ero_ScheduleOfDeferredRevenueTableTextBlock_documentation_en-US" xlink:label="lab_ero_ScheduleOfDeferredRevenueTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Deferred Revenue</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_ScheduleOfDeferredRevenueTableTextBlock" xlink:href="ero-20251231.xsd#ero_ScheduleOfDeferredRevenueTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_ScheduleOfDeferredRevenueTableTextBlock" xlink:to="lab_ero_ScheduleOfDeferredRevenueTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_DisclosureOfShareCapitalReservesOtherEquityInterestShareBasedPaymentArrangementsAndEarningsPerShareTextBlock_019b6a75-7640-78c2-b873-5ddde8ef4da9_terseLabel_en-US" xlink:label="lab_ero_DisclosureOfShareCapitalReservesOtherEquityInterestShareBasedPaymentArrangementsAndEarningsPerShareTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share Capital</link:label>
    <link:label id="lab_ero_DisclosureOfShareCapitalReservesOtherEquityInterestShareBasedPaymentArrangementsAndEarningsPerShareTextBlock_label_en-US" xlink:label="lab_ero_DisclosureOfShareCapitalReservesOtherEquityInterestShareBasedPaymentArrangementsAndEarningsPerShareTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Share Capital, Reserves, Other Equity Interest, Share-Based Payment Arrangements And Earnings Per Share [Text Block]</link:label>
    <link:label id="lab_ero_DisclosureOfShareCapitalReservesOtherEquityInterestShareBasedPaymentArrangementsAndEarningsPerShareTextBlock_documentation_en-US" xlink:label="lab_ero_DisclosureOfShareCapitalReservesOtherEquityInterestShareBasedPaymentArrangementsAndEarningsPerShareTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Share Capital, Reserves, Other Equity Interest, Share-Based Payment Arrangements And Earnings Per Share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DisclosureOfShareCapitalReservesOtherEquityInterestShareBasedPaymentArrangementsAndEarningsPerShareTextBlock" xlink:href="ero-20251231.xsd#ero_DisclosureOfShareCapitalReservesOtherEquityInterestShareBasedPaymentArrangementsAndEarningsPerShareTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_DisclosureOfShareCapitalReservesOtherEquityInterestShareBasedPaymentArrangementsAndEarningsPerShareTextBlock" xlink:to="lab_ero_DisclosureOfShareCapitalReservesOtherEquityInterestShareBasedPaymentArrangementsAndEarningsPerShareTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis_019b6a75-76e4-7bba-8ae0-33fb246b4dd6_terseLabel_en-US" xlink:label="lab_ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ranges of exercise prices for outstanding share options [axis]</link:label>
    <link:label id="lab_ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis_label_en-US" xlink:label="lab_ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ranges of exercise prices for outstanding share options [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis" xlink:to="lab_ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentPeriodEndDate_019b6a75-7640-73ad-8df5-19d231634d24_terseLabel_en-US" xlink:label="lab_dei_DocumentPeriodEndDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Period End Date</link:label>
    <link:label id="lab_dei_DocumentPeriodEndDate_label_en-US" xlink:label="lab_dei_DocumentPeriodEndDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Period End Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentPeriodEndDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentPeriodEndDate" xlink:to="lab_dei_DocumentPeriodEndDate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares_019b6a75-76e4-7260-9e14-2e12530616a9_terseLabel_en-US" xlink:label="lab_ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dilutive effects of Stock options (in shares)</link:label>
    <link:label id="lab_ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares_label_en-US" xlink:label="lab_ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dilutive effect of share options on weighted average number of ordinary shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares" xlink:to="lab_ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_CorporateAndOtherSegmentMember_019b6a75-76e5-7244-a9cf-baa26cb54a4f_terseLabel_en-US" xlink:label="lab_ero_CorporateAndOtherSegmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Corporate and Other</link:label>
    <link:label id="lab_ero_CorporateAndOtherSegmentMember_label_en-US" xlink:label="lab_ero_CorporateAndOtherSegmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Corporate And Other Segment [Member]</link:label>
    <link:label id="lab_ero_CorporateAndOtherSegmentMember_documentation_en-US" xlink:label="lab_ero_CorporateAndOtherSegmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Corporate And Other Segment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_CorporateAndOtherSegmentMember" xlink:href="ero-20251231.xsd#ero_CorporateAndOtherSegmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_CorporateAndOtherSegmentMember" xlink:to="lab_ero_CorporateAndOtherSegmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfAssetsAxis_019b6a75-7640-765a-8e41-fbdca3316592_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of assets [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfAssetsAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of assets [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfAssetsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfAssetsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfAssetsAxis" xlink:to="lab_ifrs-full_ClassesOfAssetsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019_019b6a75-7640-7cff-86e9-76bcf3d453bc_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted Average Exercise Price, Cancelled (in usd per share)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average exercise price of share options forfeited in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019" xlink:to="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_JointVenturesAxis_019b6a75-76e4-7e50-8546-54d3a7309a99_terseLabel_en-US" xlink:label="lab_ifrs-full_JointVenturesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Joint ventures [axis]</link:label>
    <link:label id="lab_ifrs-full_JointVenturesAxis_label_en-US" xlink:label="lab_ifrs-full_JointVenturesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Joint ventures [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_JointVenturesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_JointVenturesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_JointVenturesAxis" xlink:to="lab_ifrs-full_JointVenturesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForSharebasedPayments_019b6a75-7640-7648-84f7-f70276cef4fa_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForSharebasedPayments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based compensation</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForSharebasedPayments_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForSharebasedPayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for share-based payments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForSharebasedPayments" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForSharebasedPayments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForSharebasedPayments" xlink:to="lab_ifrs-full_AdjustmentsForSharebasedPayments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherExpenseByNature_019b6a75-7640-7a72-84e9-ab7a9dbe5556_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_OtherExpenseByNature" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Other expenses</link:label>
    <link:label id="lab_ifrs-full_OtherExpenseByNature_label_en-US" xlink:label="lab_ifrs-full_OtherExpenseByNature" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other expenses, by nature</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherExpenseByNature" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherExpenseByNature"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherExpenseByNature" xlink:to="lab_ifrs-full_OtherExpenseByNature" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_ForeignExchangeLossOnDebt_019b6a75-7640-71d6-82c7-f3dc1820b0c3_negatedTerseLabel_en-US" xlink:label="lab_ero_ForeignExchangeLossOnDebt" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Foreign exchange gain (loss)</link:label>
    <link:label id="lab_ero_ForeignExchangeLossOnDebt_label_en-US" xlink:label="lab_ero_ForeignExchangeLossOnDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Exchange Loss On Debt</link:label>
    <link:label id="lab_ero_ForeignExchangeLossOnDebt_documentation_en-US" xlink:label="lab_ero_ForeignExchangeLossOnDebt" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Foreign Exchange Loss On Debt</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_ForeignExchangeLossOnDebt" xlink:href="ero-20251231.xsd#ero_ForeignExchangeLossOnDebt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_ForeignExchangeLossOnDebt" xlink:to="lab_ero_ForeignExchangeLossOnDebt" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_NumberOfShareOptionsAndWarrantsExercisedInShareBasedPaymentArrangement_019b6a75-7640-7182-b434-130074217586_terseLabel_en-US" xlink:label="lab_ero_NumberOfShareOptionsAndWarrantsExercisedInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shares issued for: Exercise of options and warrants (in shares)</link:label>
    <link:label id="lab_ero_NumberOfShareOptionsAndWarrantsExercisedInShareBasedPaymentArrangement_label_en-US" xlink:label="lab_ero_NumberOfShareOptionsAndWarrantsExercisedInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Share Options And Warrants Exercised In Share-Based Payment Arrangement</link:label>
    <link:label id="lab_ero_NumberOfShareOptionsAndWarrantsExercisedInShareBasedPaymentArrangement_documentation_en-US" xlink:label="lab_ero_NumberOfShareOptionsAndWarrantsExercisedInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of Share Options And Warrants Exercised In Share-Based Payment Arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_NumberOfShareOptionsAndWarrantsExercisedInShareBasedPaymentArrangement" xlink:href="ero-20251231.xsd#ero_NumberOfShareOptionsAndWarrantsExercisedInShareBasedPaymentArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_NumberOfShareOptionsAndWarrantsExercisedInShareBasedPaymentArrangement" xlink:to="lab_ero_NumberOfShareOptionsAndWarrantsExercisedInShareBasedPaymentArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RetainedEarningsMember_019b6a75-76e5-7486-8f85-025fa3d46669_terseLabel_en-US" xlink:label="lab_ifrs-full_RetainedEarningsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retained Earnings</link:label>
    <link:label id="lab_ifrs-full_RetainedEarningsMember_label_en-US" xlink:label="lab_ifrs-full_RetainedEarningsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained earnings [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RetainedEarningsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RetainedEarningsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RetainedEarningsMember" xlink:to="lab_ifrs-full_RetainedEarningsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PerformanceObligationsSatisfiedAtPointInTimeMember_019b6a75-76e5-7cd2-a9db-af1e597e9018_terseLabel_en-US" xlink:label="lab_ifrs-full_PerformanceObligationsSatisfiedAtPointInTimeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Performance obligations satisfied at point in time</link:label>
    <link:label id="lab_ifrs-full_PerformanceObligationsSatisfiedAtPointInTimeMember_label_en-US" xlink:label="lab_ifrs-full_PerformanceObligationsSatisfiedAtPointInTimeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Performance obligations satisfied at point in time [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PerformanceObligationsSatisfiedAtPointInTimeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PerformanceObligationsSatisfiedAtPointInTimeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PerformanceObligationsSatisfiedAtPointInTimeMember" xlink:to="lab_ifrs-full_PerformanceObligationsSatisfiedAtPointInTimeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_019b6a75-7640-7e82-930a-5af569494dcb_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of classes of share capital [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of classes of share capital [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:to="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentDerivativeFinancialAssets_019b6a75-7640-7cfd-974c-dee178f8ed8c_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentDerivativeFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current derivative financial assets</link:label>
    <link:label id="lab_ifrs-full_CurrentDerivativeFinancialAssets_label_en-US" xlink:label="lab_ifrs-full_CurrentDerivativeFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current derivative financial assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentDerivativeFinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentDerivativeFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentDerivativeFinancialAssets" xlink:to="lab_ifrs-full_CurrentDerivativeFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentAssets_019b6a75-76e4-7115-8fe7-a13d81df0bc4_totalLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total non-current assets</link:label>
    <link:label id="lab_ifrs-full_NoncurrentAssets_019b6a75-76e4-7504-a0b0-e20fc11efe9f_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total non-current assets</link:label>
    <link:label id="lab_ifrs-full_NoncurrentAssets_label_en-US" xlink:label="lab_ifrs-full_NoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentAssets" xlink:to="lab_ifrs-full_NoncurrentAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings_019b6a75-7640-7b8d-ac0b-9f26eca2f7b2_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current portion of loans and borrowings</link:label>
    <link:label id="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings_019b6a75-7640-7a38-9530-48b667044e7a_verboseLabel_en-US" xlink:label="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Current portion</link:label>
    <link:label id="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings_label_en-US" xlink:label="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current borrowings and current portion of non-current borrowings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:to="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfOutstandingShareOptions_019b6a75-7640-7b10-a488-b7dc517157c7_periodStartLabel_en-US" xlink:label="lab_ifrs-full_NumberOfOutstandingShareOptions" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Number of Stock Options Outstanding, beginning of period (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfOutstandingShareOptions_019b6a75-7640-7b8f-b2a1-9eb279ca038e_periodEndLabel_en-US" xlink:label="lab_ifrs-full_NumberOfOutstandingShareOptions" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Number of Stock Options Outstanding, end of period (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfOutstandingShareOptions_019b6a75-7640-7f0f-be7e-e0f31dd23271_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfOutstandingShareOptions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of Stock Options (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfOutstandingShareOptions_label_en-US" xlink:label="lab_ifrs-full_NumberOfOutstandingShareOptions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of share options outstanding in share-based payment arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfOutstandingShareOptions" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NumberOfOutstandingShareOptions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfOutstandingShareOptions" xlink:to="lab_ifrs-full_NumberOfOutstandingShareOptions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComprehensiveIncome_019b6a75-7640-7e86-9769-7b541720a09c_totalLabel_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Comprehensive income (loss)</link:label>
    <link:label id="lab_ifrs-full_ComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComprehensiveIncome" xlink:to="lab_ifrs-full_ComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Equity_019b6a75-76e5-7809-b09a-8f82fdf67e71_totalLabel_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total shareholders' equity</link:label>
    <link:label id="lab_ifrs-full_Equity_019b6a75-76e5-7383-b96b-d93eb416e9c7_periodStartLabel_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning balance</link:label>
    <link:label id="lab_ifrs-full_Equity_019b6a75-76e5-740b-9e35-ca12eb9c48de_periodEndLabel_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending balance</link:label>
    <link:label id="lab_ifrs-full_Equity_label_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Equity" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Equity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Equity" xlink:to="lab_ifrs-full_Equity" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable_019b6a75-7640-7088-91ad-cd65eb9514dc_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts receivable</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for decrease (increase) in trade accounts receivable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable"/>
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    <link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems_019b6a75-7640-703c-a7bb-ca9b7ccede02_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of disaggregation of revenue from contracts with customers [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of disaggregation of revenue from contracts with customers [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" xlink:to="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_AuditInformationAbstract_label_en-US" xlink:label="lab_ero_AuditInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Audit Information [Abstract]</link:label>
    <link:label id="lab_ero_AuditInformationAbstract_documentation_en-US" xlink:label="lab_ero_AuditInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Audit Information</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_AuditInformationAbstract" xlink:href="ero-20251231.xsd#ero_AuditInformationAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_AuditInformationAbstract" xlink:to="lab_ero_AuditInformationAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_OperatingLossCarryforwardsTaxes_019b6a75-76e4-781c-8da7-e2beb9c646b7_terseLabel_en-US" xlink:label="lab_ero_OperatingLossCarryforwardsTaxes" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loss carryforwards</link:label>
    <link:label id="lab_ero_OperatingLossCarryforwardsTaxes_label_en-US" xlink:label="lab_ero_OperatingLossCarryforwardsTaxes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Loss Carryforwards, Taxes</link:label>
    <link:label id="lab_ero_OperatingLossCarryforwardsTaxes_documentation_en-US" xlink:label="lab_ero_OperatingLossCarryforwardsTaxes" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Operating Loss Carryforwards, Taxes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_OperatingLossCarryforwardsTaxes" xlink:href="ero-20251231.xsd#ero_OperatingLossCarryforwardsTaxes"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_OperatingLossCarryforwardsTaxes" xlink:to="lab_ero_OperatingLossCarryforwardsTaxes" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_DisclosureOfDetailedInformationOfCostOfSalesExplanatoryTableTextBlock_019b6a75-76e4-7b29-8377-a74f0d470c4f_terseLabel_en-US" xlink:label="lab_ero_DisclosureOfDetailedInformationOfCostOfSalesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Components of Cost of Sales</link:label>
    <link:label id="lab_ero_DisclosureOfDetailedInformationOfCostOfSalesExplanatoryTableTextBlock_label_en-US" xlink:label="lab_ero_DisclosureOfDetailedInformationOfCostOfSalesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Detailed Information Of Cost Of Sales Explanatory [Table Text Block]</link:label>
    <link:label id="lab_ero_DisclosureOfDetailedInformationOfCostOfSalesExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_ero_DisclosureOfDetailedInformationOfCostOfSalesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of Detailed Information Of Cost Of Sales Explanatory</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DisclosureOfDetailedInformationOfCostOfSalesExplanatoryTableTextBlock" xlink:href="ero-20251231.xsd#ero_DisclosureOfDetailedInformationOfCostOfSalesExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_DisclosureOfDetailedInformationOfCostOfSalesExplanatoryTableTextBlock" xlink:to="lab_ero_DisclosureOfDetailedInformationOfCostOfSalesExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems_019b6a75-7640-7dac-9ab1-60a782b1c4be_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of nature and extent of risks arising from financial instruments [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of nature and extent of risks arising from financial instruments [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:to="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_NumberOfPhasesOfProjectWork_019b6a75-7640-7428-b073-2be6eb3ec678_terseLabel_en-US" xlink:label="lab_ero_NumberOfPhasesOfProjectWork" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Phases of project work</link:label>
    <link:label id="lab_ero_NumberOfPhasesOfProjectWork_label_en-US" xlink:label="lab_ero_NumberOfPhasesOfProjectWork" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Phases Of Project Work</link:label>
    <link:label id="lab_ero_NumberOfPhasesOfProjectWork_documentation_en-US" xlink:label="lab_ero_NumberOfPhasesOfProjectWork" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Phases Of Project Work</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_NumberOfPhasesOfProjectWork" xlink:href="ero-20251231.xsd#ero_NumberOfPhasesOfProjectWork"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_NumberOfPhasesOfProjectWork" xlink:to="lab_ero_NumberOfPhasesOfProjectWork" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory_019b6a75-7640-7198-8414-c97f8eb70be4_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Deferred Tax Assets and Liabilities</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsLineItems_019b6a75-7640-73d8-bc5b-f5e043d99fdc_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about financial instruments [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about financial instruments [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:to="lab_ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_OtherNonCurrentLiabilitiesMember_019b6a75-7640-7f61-9157-a1c0bc2b3670_terseLabel_en-US" xlink:label="lab_ero_OtherNonCurrentLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other non-current liabilities</link:label>
    <link:label id="lab_ero_OtherNonCurrentLiabilitiesMember_label_en-US" xlink:label="lab_ero_OtherNonCurrentLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Non-Current Liabilities [Member]</link:label>
    <link:label id="lab_ero_OtherNonCurrentLiabilitiesMember_documentation_en-US" xlink:label="lab_ero_OtherNonCurrentLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Non-Current Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_OtherNonCurrentLiabilitiesMember" xlink:href="ero-20251231.xsd#ero_OtherNonCurrentLiabilitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_OtherNonCurrentLiabilitiesMember" xlink:to="lab_ero_OtherNonCurrentLiabilitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_NameOfMajorCustomerDomain_019b6a75-76e5-7fdb-a9e1-d630029da3ca_terseLabel_en-US" xlink:label="lab_srt_NameOfMajorCustomerDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Customer [Domain]</link:label>
    <link:label id="lab_srt_NameOfMajorCustomerDomain_label_en-US" xlink:label="lab_srt_NameOfMajorCustomerDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Customer [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_NameOfMajorCustomerDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_NameOfMajorCustomerDomain" xlink:to="lab_srt_NameOfMajorCustomerDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityCurrentReportingStatus_019b6a75-76e5-7672-a3b1-afc0e126e799_terseLabel_en-US" xlink:label="lab_dei_EntityCurrentReportingStatus" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Current Reporting Status</link:label>
    <link:label id="lab_dei_EntityCurrentReportingStatus_label_en-US" xlink:label="lab_dei_EntityCurrentReportingStatus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Current Reporting Status</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCurrentReportingStatus" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityCurrentReportingStatus"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCurrentReportingStatus" xlink:to="lab_dei_EntityCurrentReportingStatus" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestPaidClassifiedAsFinancingActivities_019b6a75-7640-7861-994e-2ec412151434_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Interest paid on loans and borrowings</link:label>
    <link:label id="lab_ifrs-full_InterestPaidClassifiedAsFinancingActivities_019b6a75-7640-7742-828a-6ba6e42e8ef2_negatedLabel_en-US" xlink:label="lab_ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Interest paid, classified as financing activities</link:label>
    <link:label id="lab_ifrs-full_InterestPaidClassifiedAsFinancingActivities_019b6a75-7640-7006-b277-5ed937696e2e_verboseLabel_en-US" xlink:label="lab_ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Interest paid</link:label>
    <link:label id="lab_ifrs-full_InterestPaidClassifiedAsFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest paid, classified as financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestPaidClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_BorrowingOtherMember_019b6a75-7640-79cf-a990-54656acd2e0d_terseLabel_en-US" xlink:label="lab_ero_BorrowingOtherMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_ero_BorrowingOtherMember_label_en-US" xlink:label="lab_ero_BorrowingOtherMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowing Other [Member]</link:label>
    <link:label id="lab_ero_BorrowingOtherMember_documentation_en-US" xlink:label="lab_ero_BorrowingOtherMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowing Other</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_BorrowingOtherMember" xlink:href="ero-20251231.xsd#ero_BorrowingOtherMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_BorrowingOtherMember" xlink:to="lab_ero_BorrowingOtherMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_DerivativeHedgingInstrumentsAssetAtFairValue_019b6a75-76e5-728e-a54e-6c71b2c66a0f_terseLabel_en-US" xlink:label="lab_ero_DerivativeHedgingInstrumentsAssetAtFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative hedging instruments, asset, at fair value</link:label>
    <link:label id="lab_ero_DerivativeHedgingInstrumentsAssetAtFairValue_label_en-US" xlink:label="lab_ero_DerivativeHedgingInstrumentsAssetAtFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Hedging Instruments, Asset, At Fair Value</link:label>
    <link:label id="lab_ero_DerivativeHedgingInstrumentsAssetAtFairValue_documentation_en-US" xlink:label="lab_ero_DerivativeHedgingInstrumentsAssetAtFairValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Derivative Hedging Instruments, Asset, At Fair Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_DerivativeHedgingInstrumentsAssetAtFairValue" xlink:href="ero-20251231.xsd#ero_DerivativeHedgingInstrumentsAssetAtFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_DerivativeHedgingInstrumentsAssetAtFairValue" xlink:to="lab_ero_DerivativeHedgingInstrumentsAssetAtFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDeferredIncomeExplanatory_019b6a75-76e4-78ce-9fea-b7f1f0c8fe82_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDeferredIncomeExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Revenue</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDeferredIncomeExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDeferredIncomeExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of deferred income [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDeferredIncomeExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDeferredIncomeExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDeferredIncomeExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDeferredIncomeExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ero_EquipmentFinanceLoansEURMember_019b6a75-7640-7c1d-b90a-19eac2855536_terseLabel_en-US" xlink:label="lab_ero_EquipmentFinanceLoansEURMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equipment Finance Loans EUR</link:label>
    <link:label id="lab_ero_EquipmentFinanceLoansEURMember_label_en-US" xlink:label="lab_ero_EquipmentFinanceLoansEURMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equipment Finance Loans EUR [Member]</link:label>
    <link:label id="lab_ero_EquipmentFinanceLoansEURMember_documentation_en-US" xlink:label="lab_ero_EquipmentFinanceLoansEURMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Equipment Finance Loans EUR</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ero_EquipmentFinanceLoansEURMember" xlink:href="ero-20251231.xsd#ero_EquipmentFinanceLoansEURMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ero_EquipmentFinanceLoansEURMember" xlink:to="lab_ero_EquipmentFinanceLoansEURMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersLineItems_019b6a75-76e4-7ee8-8371-d133f761cc6f_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of assets recognised from costs to obtain or fulfil contracts with customers [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of assets recognised from costs to obtain or fulfil contracts with customers [line items]</link:label>
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