Message type: E = Error
Message class:  CNV_20375_CHECK - Message Class for 20375 Checks 
Message number: 039
Message text: Cost element (COAr &1, CostEl &2) is not permitted
Cost element (controlling area &V1&, cost element &V2&). is not
permitted.
Only cost elements are permitted which are assigned to one of the
controlling areas participating in the controlling area conversion.
You cannot run the transformation solution because certain prerequisites
have not been met. Please change your mapping accordingly.
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_20375_CHECK039 indicates that there is an issue with a cost element in the context of a conversion or migration process, typically related to the Controlling (CO) module. The error message specifies that a particular cost element is not permitted for the specified cost accounting area.
Cause: Invalid Cost Element: The cost element specified in the error message is not valid for the specified controlling area. This could be due to the cost element not being defined in the controlling area or being inactive.
Configuration Issues: The cost element may not be configured correctly in the system, or it may not be assigned to the appropriate cost accounting area. Data Migration Issues: If this error occurs during a data migration process, it may be due to incorrect mapping or transformation of cost elements from the source system to the target system.
Solution: Check Cost Element Configuration: Go to the transaction code KA03 (Display Cost
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