Message type: E = Error
Message class: MA - Sales and Operations Planning
Message number: 204
Message text: Specify a unit of measure
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MA204
- Specify a unit of measure ?The SAP error message MA204 "Specify a unit of measure" typically occurs in the context of material management, particularly when dealing with inventory management or material master data. This error indicates that a unit of measure (UoM) has not been specified for a particular transaction or operation that requires it.
Cause: Missing Unit of Measure: The most common cause is that the unit of measure has not been defined for the material in question. This can happen during the creation of a material master record or when trying to perform a transaction that requires a UoM. Incorrect Configuration: The configuration settings for the material type or the specific transaction may not be set up correctly, leading to the system not recognizing the UoM. Data Entry Error: Users may forget to enter the UoM when creating or updating records, leading to this error.
Solution: Check Material Master Data: Go to the material master record (transaction code MM03) and
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