How To Fix CNV_20100676 - Company code &1 exists more than once in the mapping for CoA &2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 676

• Message text: Company code &1 exists more than once in the mapping for CoA &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20100676 - Company code &1 exists more than once in the mapping for CoA &2 ?

  The SAP error message CNV_20100676 indicates that there is a duplicate entry for a company code in the mapping for a Chart of Accounts (CoA) during a data migration or conversion process. This typically occurs in the context of using the SAP S/4HANA Migration Cockpit or similar tools where you are mapping legacy data to the new system.
  Cause:
  The error arises when:
  
  The same company code is mapped multiple times to the same Chart of Accounts (CoA).
  There may be an oversight in the mapping configuration where the same company code has been inadvertently entered more than once.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Review the Mapping Configuration:
  
  Go to the mapping configuration screen where you have defined the mappings for the CoA.
  Check the entries for the company code and ensure that each company code is listed only once for the specified CoA.
  
  
  
  Remove Duplicates:
  
  If you find duplicate entries for the same company code, remove the duplicates so that each company code is unique within the mapping for the CoA.
  
  
  
  Validate the Mapping:
  
  After making changes, validate the mapping to ensure that there are no other issues or duplicates present.
  
  
  
  Test the Migration:
  
  Once the duplicates are resolved, re-run the migration process to see if the error persists.
  
  
  
  Consult Documentation:
  
  If you are unsure about the mapping process, refer to the SAP documentation or guides related to the specific migration tool you are using.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like LTMC (for Migration Cockpit) or SIMG_CFMENUOLI0OINS (for Financial Accounting) to access the relevant mapping screens.
  SAP Notes: Check for any relevant SAP Notes that might provide additional insights or updates related to this error.
  Support: If the issue persists after following the above steps, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  By ensuring that each company code is uniquely mapped to the CoA, you should be able to resolve the error CNV_20100676 and proceed with your migration successfully.