How To Fix CNV_20400_CHECK026 - All involved controlling areas use the currency &1

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 026

• Message text: All involved controlling areas use the currency &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20400_CHECK026 - All involved controlling areas use the currency &1 ?

  The SAP error message CNV_20400_CHECK026 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is a mismatch in the currency settings of the controlling areas involved in the migration or conversion process.
  Cause:
  The error message suggests that all the controlling areas involved in the process must use the same currency. If there are controlling areas with different currencies, the system will raise this error to prevent inconsistencies in financial reporting and data integrity.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Controlling Area Settings:
  
  Go to the transaction code OKKP (Controlling Area) in SAP.
  Verify the currency settings for each controlling area involved in the process. Ensure that they all use the same currency.
  
  
  
  Adjust Currency Settings:
  
  If you find that the controlling areas are using different currencies, you will need to either:
  
  Change the currency of one or more controlling areas to match the others (this may require careful consideration and planning, as it can affect historical data).
  Create a new controlling area with the desired currency and migrate the relevant data to this new area.
  
  
  
  
  
  Data Migration Preparation:
  
  Before running the migration or conversion process again, ensure that all necessary adjustments have been made and that the controlling areas are aligned in terms of currency.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation related to the specific migration or conversion process you are performing. There may be additional guidelines or prerequisites that need to be followed.
  
  
  
  Testing:
  
  After making the necessary changes, perform a test run of the migration or conversion process to ensure that the error does not occur again.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  OKKP: Controlling Area Configuration
  OB08: Maintain Exchange Rates (if currency conversion is needed)
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions related to this error message.
  
  
  SAP Community: Engage with the SAP Community forums for discussions and solutions shared by other users who may have encountered the same issue.
  
  
  By ensuring that all controlling areas involved in the process use the same currency, you should be able to resolve the CNV_20400_CHECK026 error and proceed with your data migration or conversion successfully.