How To Fix CNV_20100682 - New CoA &1 exists more than once in the 'New CoA customizing' mapping

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20100 - Messageclass for chart of account conversion

• Message number: 682

• Message text: New CoA &1 exists more than once in the 'New CoA customizing' mapping

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20100682 - New CoA &1 exists more than once in the 'New CoA customizing' mapping ?

  The SAP error message CNV_20100682 indicates that there is a duplicate entry for a new Chart of Accounts (CoA) in the 'New CoA customizing' mapping during a migration or conversion process. This typically occurs in the context of data migration projects, such as when using the SAP S/4HANA Migration Cockpit or other data migration tools.
  Cause:
  The error arises when the system detects that the same new CoA is defined more than once in the mapping table. This can happen due to:
  
  Manual entry errors where the same CoA is added multiple times.
  Data import issues where the same CoA is included in the import file more than once.
  Incorrect configuration or setup in the mapping process.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check the Mapping Table:
  
  Access the mapping table for the new CoA customizing. This is usually done in the transaction code related to the migration tool you are using (e.g., LTMC for Migration Cockpit).
  Look for entries that have the same new CoA.
  
  
  
  Remove Duplicates:
  
  Identify and remove any duplicate entries for the new CoA. Ensure that each new CoA is unique in the mapping table.
  
  
  
  Validate the Mapping:
  
  After removing duplicates, validate the mapping to ensure that all entries are correct and that there are no other issues.
  
  
  
  Re-run the Migration:
  
  Once the duplicates are resolved, re-run the migration process to see if the error persists.
  
  
  
  Check for Related Configuration:
  
  Ensure that the configuration for the new CoA is set up correctly in the system. This includes checking the settings in the Financial Accounting (FI) module.
  
  
  
  Related Information:
  
  Transaction Codes: Depending on the migration tool, you may use transaction codes like LTMC (for Migration Cockpit) or other relevant transaction codes for data migration.
  Documentation: Refer to SAP documentation related to the specific migration tool you are using for detailed steps on mapping and customizing the CoA.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling CoA mapping issues.
  
  By following these steps, you should be able to resolve the CNV_20100682 error and successfully complete your migration process.