How To Fix CNV_20100162 - &1 &2 is already contained in mapping for accounts/primary cost elements

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 162

• Message text: &1 &2 is already contained in mapping for accounts/primary cost elements

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20100162 - &1 &2 is already contained in mapping for accounts/primary cost elements ?

  The SAP error message CNV_20100162 typically occurs during the data migration process, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is a duplicate entry in the mapping for accounts or primary cost elements. Specifically, it suggests that the system has detected that the account or cost element you are trying to map is already included in the mapping table.
  Cause:
  
  Duplicate Mapping: The most common cause of this error is that the account or primary cost element you are trying to map has already been mapped to another source in the migration process.
  Incorrect Data Preparation: The data being imported may have been prepared incorrectly, leading to duplicates in the mapping file.
  Configuration Issues: There may be issues with the configuration of the migration cockpit or the mapping settings.
  
  Solution:
  
  Check Mapping Entries: Review the mapping entries in the migration cockpit or the relevant mapping table. Look for the account or cost element mentioned in the error message and verify if it is already mapped.
  Remove Duplicates: If you find that the account or cost element is indeed duplicated, remove the duplicate entry from the mapping.
  Correct Data Preparation: Ensure that the data you are trying to import is correctly prepared and does not contain duplicates. This may involve cleaning up the source data or adjusting the mapping file.
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using to ensure that you are following the correct procedures for mapping accounts and cost elements.
  Testing: After making the necessary adjustments, re-run the migration process to see if the error persists.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions related to this error message.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit, which may provide guidance on how to handle mapping issues.
  Community Forums: Consider searching or posting in SAP community forums or SAP support channels for additional help from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the error CNV_20100162 and successfully complete your data migration.