How To Fix CNVA_20400_CHECK010 - All relevant controlling areas are assigned to same FM Area

SAP Error Message - Details

• Message type: E = Error

• Message class: CNVA_20400_CHECK - Messages for contorlling areas checks

• Message number: 010

• Message text: All relevant controlling areas are assigned to same FM Area

All relevant controlling areas are assigned to same Financial Management
Area or all controlling areas do not use Financial Management Area.

Error message extract from SAP system. Copyright SAP SE.

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• What is the cause and solution for SAP error message CNVA_20400_CHECK010 - All relevant controlling areas are assigned to same FM Area ?

  The SAP error message CNVA_20400_CHECK010 indicates that all relevant controlling areas are assigned to the same Funds Management (FM) area. This situation typically arises during the configuration or migration processes in SAP, particularly when dealing with the integration of Controlling (CO) and Funds Management (FM) modules.
  Cause:
  The error occurs when the system detects that multiple controlling areas are linked to a single FM area. In SAP, each controlling area should ideally be assigned to a unique FM area to ensure proper financial management and reporting. When multiple controlling areas are assigned to the same FM area, it can lead to inconsistencies in financial data and reporting.
  Solution:
  To resolve this error, you need to ensure that each controlling area is assigned to a unique FM area. Here are the steps you can take:
  
  
  Review Current Assignments:
  
  Go to the configuration settings in SAP and check the current assignments of controlling areas to FM areas.
  Use transaction codes like OBY6 (for controlling area assignment) and FMX1 (for FM area assignment) to review the settings.
  
  
  
  Reassign Controlling Areas:
  
  If you find that multiple controlling areas are assigned to the same FM area, you will need to reassign them.
  Create new FM areas if necessary, and assign each controlling area to its own FM area.
  
  
  
  Check for Dependencies:
  
  Ensure that there are no dependencies or transactions that might be affected by changing the assignments. This includes checking for any open periods or ongoing transactions.
  
  
  
  Test Changes:
  
  After making the necessary changes, perform tests to ensure that the error no longer occurs and that the system behaves as expected.
  
  
  
  Documentation:
  
  Document the changes made for future reference and to maintain a clear audit trail.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  OBY6: Assign Controlling Area to Company Code
  FMX1: Create FM Area
  FMX2: Change FM Area
  FMX3: Display FM Area
  
  
  
  SAP Notes: Check for any relevant SAP Notes that might provide additional guidance or updates related to this error message.
  
  
  Consult SAP Help: The official SAP Help Portal can provide detailed documentation on configuring FM areas and controlling areas.
  
  
  Testing Environment: If possible, make changes in a testing environment before applying them to the production system to avoid disruptions.
  
  
  By following these steps, you should be able to resolve the CNVA_20400_CHECK010 error and ensure that your SAP system is configured correctly for managing controlling areas and FM areas.