Message type: E = Error
Message class:  CNV_20600_CHECK - Messages for Check classes 
Message number: 364
Message text: Accounting code &1 in mapping, but not associated company code &2
Accounting code &V1& is in mapping, but no mapping for the associated
company code &V2&.
Error
The 1:1 relationships between accounting codes and company codes must be
preserved.
Adjust the mappings.
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_20600_CHECK364 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is a mismatch between the accounting code (or account) being used in the mapping and the company code that is associated with it.
Cause: The error arises due to one of the following reasons: Mapping Issues: The accounting code specified in the mapping does not belong to the company code that is being processed. This can happen if the mapping was incorrectly set up or if the accounting code is not valid for the specified company code. Configuration Errors: There may be configuration issues in the system where the accounting code is not properly assigned to the company code in the financial settings. Data Integrity Issues: The data being migrated may contain inconsistencies, such as references to accounting codes that are not valid for the target
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