Message type: E = Error
Message class:  CNV_20212_CHECK - Messages for check functions (credit control area conv.) 
Message number: 021
Message text: Source value &1 for credit control area mapping does not exist
Source value &V1& for credit control area mapping does not exist.
Source value &V1& is not found in entity table T014.
Error
Provide a suitable mapping for credit control area mapping.
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_20212_CHECK021 indicates that there is an issue with the mapping of credit control areas during a data migration or conversion process. Specifically, the error states that the source value for the credit control area mapping does not exist in the target system.
Cause: Missing Mapping: The source value (credit control area) that you are trying to map does not exist in the target system. This could be due to: The credit control area not being created in the target system. A typo or incorrect value in the mapping configuration. The source data containing values that were not properly defined in the mapping table. Data Migration Issues: If you are migrating data from one system to another, it is possible that the credit control areas were not included in the migration or were not properly transferred.
Solution: Check Mapping Configuration: Go to the mapping configuration in your SAP system and verify that the credit control area
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