Message type: E = Error
Message class: OIUME - Measurement messages
Message number: 037
Message text: You must enter a default UoM if changes to Uom are not allowed
If the characteristics of a reading type are such that the unit of
measure may not be changed, you must enter a default unit of measure.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message OIUME037 indicates that a default Unit of Measure (UoM) must be specified when changes to the UoM are not allowed. This typically occurs in the context of material master data management, particularly when dealing with the Units of Measure for materials in SAP.
Cause: The error arises when: You are trying to change the UoM for a material, but the system settings or configuration do not allow for such changes. The material master record does not have a default UoM defined, which is required for the system to process transactions involving that material. The material is set up in a way that restricts changes to the UoM, such as being part of a specific valuation class or having certain status settings.
Solution: To resolve the OIUME037 error, you can take the following steps: Define a Default UoM: Go to the material master record (transaction code MM02). Navigate to the "Basic Data" or "Purchasing" views, depending on
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