Message type: E = Error
Message class:  CNV20200 - Messages for development class CNV_20200 
Message number: 605
Message text: Specified priority value not part of the corresponding target mapping
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The SAP error message CNV20200605 indicates that there is an issue with the priority value specified in a data migration or conversion process. This error typically arises during the execution of a data migration project, particularly when using SAP's tools for data conversion, such as the SAP S/4HANA Migration Cockpit or other data migration solutions.
Cause: The error occurs when the priority value you have specified does not match any of the allowed or defined priority values in the target mapping configuration. This can happen due to: Incorrect Configuration: The target mapping may not have the specified priority value defined. Typographical Error: There may be a typo in the priority value you are trying to use. Version Mismatch: The mapping configuration may have changed in a newer version of the migration tool, and the specified priority is no longer valid. Data Consistency Issues: The data being migrated may not align with the expected values in the
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