Message type: E = Error
Message class:  CNVA_20290_CHECK - Message class for company code merge preanalysis 
Message number: 164
Message text: There are no differences in vendor master records
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNVA_20290_CHECK164 indicates that there are no differences found in the vendor master records during a comparison or validation process. This error typically arises in the context of data migration or data validation tasks, particularly when using tools like the SAP Data Migration Cockpit or similar functionalities.
Cause: No Changes Detected: The primary cause of this error is that the system has checked the vendor master records and found that there are no discrepancies or differences between the source and target records. Incorrect Configuration: There may be an issue with the configuration of the data migration process, leading to an expectation of differences where none exist. Data Integrity: The data being compared may be identical, which is why the system reports no differences.
Solution: Verify Data: Check the source and target vendor master records to confirm that they are indeed identical. If they are supposed to be different, investigate why the expected changes
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