Message type: E = Error
Message class: UPO_UDM_MSG - UDM Messages
Message number: 051
Message text: UOM Group is not valid wrt Meas group specified in PN dated
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The SAP error message UPO_UDM_MSG051 indicates that there is an issue with the Unit of Measure (UOM) group in relation to the measurement group specified in the material master or the relevant document. This error typically arises when the UOM group assigned to a material does not match the measurement group defined for that material or in the context of the transaction being processed.
Cause: Mismatch of UOM Group and Measurement Group: The UOM group assigned to the material does not correspond to the measurement group defined in the material master or in the relevant document. Incorrect Configuration: The configuration settings in the SAP system for UOM groups and measurement groups may not be aligned properly. Data Entry Errors: There may be errors in data entry when creating or updating the material master or related documents.
Solution: Check Material Master Data: Go to the material master record (transaction code MM03). Verify the UOM group and measurement group assigned
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