Message type: E = Error
Message class:  CNV_20100 - Messageclass for chart of account conversion 
Message number: 228
Message text: CoA &1 is group chart of accounts for CoA &2 (not in use)
The program found that you want to rename or restructure the group chart
of accounts &V1&.
A check showed that chart of account &V2& uses chart of accounts &V1& as
its group chart of account.
Furthermore the program found that the chart of accounts &V2& is not
used in any company code, neither as operative chart of accounts nor as
country-specific chart of accounts.
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_20100228 indicates that there is an issue related to the Chart of Accounts (CoA) configuration in your SAP system. Specifically, the error states that the CoA you are trying to use is a group chart of accounts for another CoA that is not currently in use.
Cause: Incorrect Configuration: The error typically arises when there is a mismatch in the configuration of the Chart of Accounts. The system expects a certain CoA to be in use, but it is not activated or configured correctly. Data Migration Issues: This error can also occur during data migration processes, where the system is trying to map or convert data from one CoA to another, and the expected CoA is not set up properly. Inactive CoA: The CoA that is supposed to be used may not be active or may not have been assigned to the company code.
Solution: Check CoA Configuration: Go to the SAP transaction
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