Message type: E = Error
Message class:  CNV_20200_CHECK - Messages for check functions (company code merge) 
Message number: 279
Message text: (CoCd &1, CJ &2) is mapped to (CoCd &3, CJ &4)
(Company Code &V1&, Cash Journal &V2&) is mapped to (Company Code &V3&,
Cash Journal &V4&).
Information
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV_20200_CHECK279 typically occurs during the migration or conversion process, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is a mapping issue between the Company Code (CoCd) and the Cost Object (CJ) in the context of a migration or data transfer.
Cause: The error message CNV_20200_CHECK279 arises when: There is a mismatch in the mapping of Company Codes and Cost Objects. Specifically, the system is trying to map a Cost Object (CJ) from one Company Code (CoCd) to a different Company Code than expected. The mapping configuration may not be set up correctly, or the data being migrated does not align with the expected mappings in the target system.
Solution: To resolve this error, you can take the following steps: Check Mapping Configuration: Review the mapping settings in the migration tool or configuration. Ensure that the mappings for Company Codes and Cost Objects are correctly defined. Validate Source
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