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SAP Knowledge Base Article - PreviewSymptom
Contrary to BAPI_PR_CHANGE the API API_PURCHASEREQUISITION_2 requires both RequestedQuantity and BaseUnitISOCode to change the quantity.
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Environment
OData APIs - Purchase Requisition
Product
SAP S/4HANA 2022 ; SAP S/4HANA 2023 ; SAP S/4HANA 2025
Keywords
API_PURCHASEREQUISITION_2, OData V4, Purchase Requisition API, PATCH, RequestedQuantity, BaseUnitISOCode, mandatory field, PR item update, unit of measure, UoM, /IWBEP/CM_V4S_RUN/049, quantity update error, gateway client, base unit required, material unit mapping , KBA , MM-PUR-REQ-API , OData APIs - Purchase Requisition , Problem
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