How To Fix CNV_20400_CHECK003 - At least one controlling area uses a deviating chart of accounts

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20400_CHECK - Messages for check functions (controlling area merge)

• Message number: 003

• Message text: At least one controlling area uses a deviating chart of accounts

What causes this issue?

The involved controlling areas use different Chart of Accounts A
conversion of the Chart of Accounts must be done before the controlling
area merge.
You cannot run the transformation solution <ZK>Controlling Area Merge</>
because certain prerequisites have not been met. Please change your
mapping accordingly or contact SAP for support by creating a ticket
using component CA-LT-CNV.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20400_CHECK003 - At least one controlling area uses a deviating chart of accounts ?

  The SAP error message CNV_20400_CHECK003 indicates that there is a discrepancy in the chart of accounts (CoA) used by at least one controlling area in your SAP system. This typically occurs during data migration or system conversion processes, such as when using the SAP S/4HANA Migration Cockpit or during a system upgrade.
  Cause:
  The error arises when:
  
  A controlling area is assigned a chart of accounts that differs from the one expected or required by the system.
  There are inconsistencies in the configuration of controlling areas and their associated charts of accounts.
  The system is trying to perform operations that require uniformity in the chart of accounts across controlling areas.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Controlling Area Configuration:
  
  Go to the SAP transaction code OKKP (Controlling Area) and verify the configuration of the controlling areas.
  Ensure that the controlling area is assigned the correct chart of accounts.
  
  
  
  Review Chart of Accounts Assignment:
  
  Use transaction code OBY6 to check the assignment of the chart of accounts to the company codes and controlling areas.
  Make sure that the controlling area uses the same chart of accounts as the company code it is associated with.
  
  
  
  Adjust Chart of Accounts:
  
  If necessary, you may need to change the chart of accounts for the controlling area to match the expected chart of accounts.
  This can be done in the configuration settings for the controlling area.
  
  
  
  Data Migration Considerations:
  
  If you are performing a data migration, ensure that the data being migrated aligns with the chart of accounts and controlling area configurations in the target system.
  Review the migration settings and mappings to ensure consistency.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific migration or upgrade process you are undertaking. There may be specific guidelines or prerequisites that need to be followed.
  
  
  
  Testing:
  
  After making the necessary adjustments, perform tests to ensure that the error does not reoccur and that the system behaves as expected.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  OKKP: Controlling Area Configuration
  OBY6: Assign Chart of Accounts to Company Code
  
  
  SAP Notes and Documentation:
  
  Check SAP Notes for any known issues or additional guidance related to this error message.
  
  
  Support:
  
  If the issue persists after following the above steps, consider reaching out to SAP Support for further assistance.
  
  
  
  By ensuring that the controlling areas and charts of accounts are correctly configured and aligned, you should be able to resolve the CNV_20400_CHECK003 error.