Message type: E = Error
Message class:  CNV_20800 - Message class for CNV_20800 
Message number: 123
Message text: &1 merge groups, &2 address numbers were adapted in table VBPA
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The SAP error message CNV_20800123 typically relates to issues encountered during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This specific error indicates that there is a problem with the merging of address numbers in the VBPA (Sales Document Partner) table.
Cause: Data Inconsistency: The error often arises when there are inconsistencies in the data being migrated, such as duplicate entries or mismatched partner functions. Merge Groups: The error message indicates that there are merge groups that have been defined, but the address numbers associated with these groups are not aligning correctly in the VBPA table.
Configuration Issues: There may be configuration issues in the migration settings or in the mapping of data fields.
Solution: Check Data Consistency: Review the source data for duplicates or inconsistencies. Ensure that the address numbers and partner functions are correctly defined and do not conflict with each other. Review Merge Groups: Verify the
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