Message type: E = Error
Message class:  CNV_DMC_SIN - Messages for s-innovations migration 
Message number: 477
Message text: Unit of Measure Mapping &1: Target value &2 is not an ISO code
You have entered a target value that is not an ISO code
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Check your mapping and enter a valid ISO code.
Use the value help to get the ISO codes.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV_DMC_SIN477 indicates that there is an issue with the unit of measure (UoM) mapping during a data migration or conversion process. Specifically, the error states that the target value provided for the unit of measure is not recognized as a valid ISO code.
Cause: Invalid Unit of Measure: The target unit of measure you are trying to map does not conform to the ISO standards for units of measure. This could be due to a typo, an outdated code, or a completely non-standard unit.
Configuration Issues: The mapping configuration may not have been set up correctly, or the target unit of measure may not have been defined in the system. Data Quality Issues: The source data may contain incorrect or non-standard unit of measure values that do not match the expected ISO codes.
Solution: Verify the Target Unit of Measure: Check the target unit of measure (&2 in the error message) against the
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