How To Fix CNV_20400_CHECK055 - Reference CO area &1 needs to be assigned to financial management area &2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 055

• Message text: Reference CO area &1 needs to be assigned to financial management area &2

What causes this issue?

The reference controlling area is not assigned to any financial
management area, but some source controlling areas are. You must adjust
your Customizing settings. The reference controlling area must be
assigned to the same financial management area as the source controlling
area.
You cannot run the transformation solution Controlling Area Merge
because certain prerequisites have not been met. We recommend that you
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_CHECK055 - Reference CO area &1 needs to be assigned to financial management area &2 ?

  The SAP error message CNV_20400_CHECK055 indicates that there is a mismatch between the controlling area (CO area) and the financial management area (FM area) in your SAP system. This error typically arises during data migration or conversion processes, particularly when using SAP's Conversion Tools or during the implementation of new functionalities.
  Cause:
  The error occurs when:
  
  A controlling area (CO area) is not properly assigned to a financial management area (FM area).
  The configuration settings in the system do not align, leading to inconsistencies in the assignment of CO areas to FM areas.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Configuration:
  
  Go to the SAP Customizing Implementation Guide (IMG) and navigate to the following path:
  Controlling -> General Controlling -> Master Data -> Assign Controlling Area to Financial Management Area
  
  Ensure that the controlling area (CO area) in question is assigned to the correct financial management area (FM area).
  
  
  
  Assign CO Area to FM Area:
  
  If the assignment is missing, you will need to create the assignment. This typically involves specifying the CO area and the corresponding FM area in the configuration settings.
  
  
  
  Validate Settings:
  
  After making the necessary assignments, validate the settings to ensure that there are no other inconsistencies or errors in the configuration.
  
  
  
  Re-run the Migration/Conversion Process:
  
  Once the assignment is corrected, re-run the migration or conversion process that triggered the error to see if the issue is resolved.
  
  
  
  Check for Additional Errors:
  
  If the error persists, check for any additional error messages or logs that may provide further insight into the issue.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  You may use transaction codes like SPRO to access the IMG or OBY6 to check the assignment of CO areas to FM areas.
  
  
  
  Documentation:
  
  Refer to SAP Help documentation for detailed guidance on configuring controlling areas and financial management areas.
  
  
  
  Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support or consulting with an SAP expert who can provide assistance based on your specific system configuration.
  
  
  
  By following these steps, you should be able to resolve the CNV_20400_CHECK055 error and ensure that your controlling areas are correctly assigned to the appropriate financial management areas.