How To Fix CNV_20200_CHECK271 - Double mapping entry provided for source SecAcctGrp &1 in CoCd &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20200_CHECK - Messages for check functions (company code merge)

• Message number: 271

• Message text: Double mapping entry provided for source SecAcctGrp &1 in CoCd &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20200_CHECK271 - Double mapping entry provided for source SecAcctGrp &1 in CoCd &2 ?

  The SAP error message CNV_20200_CHECK271 indicates that there is a double mapping entry for a source account group (SecAcctGrp) in a company code (CoCd). This typically occurs during data migration or conversion processes, particularly when using SAP's Migration Cockpit or similar tools.
  Cause:
  The error arises when there are multiple entries in the mapping table for the same source account group in the specified company code. This can happen due to:
  
  Duplicate Entries: There are duplicate mappings for the same source account group in the mapping configuration.
  Incorrect Configuration: The mapping configuration may not have been set up correctly, leading to multiple entries for the same source.
  Data Integrity Issues: There may be issues with the source data that lead to conflicting mappings.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Mapping Entries:
  
  Go to the mapping table or configuration where the source account groups are defined.
  Look for the entries related to the specified source account group (SecAcctGrp &1) and company code (CoCd &2).
  Identify any duplicate entries.
  
  
  
  Remove Duplicates:
  
  If you find duplicate entries, remove or consolidate them to ensure that each source account group has a unique mapping in the specified company code.
  
  
  
  Validate Configuration:
  
  Review the mapping configuration to ensure that it is set up correctly and that there are no logical errors leading to duplicate mappings.
  
  
  
  Test the Changes:
  
  After making the necessary adjustments, re-run the migration or conversion process to see if the error persists.
  
  
  
  Consult Documentation:
  
  If you are unsure about the mapping process, refer to SAP documentation or guides related to the specific migration tool you are using.
  
  
  
  Seek Help from SAP Support:
  
  If the issue continues after checking for duplicates and validating the configuration, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to view and edit the mapping tables.
  Migration Cockpit: If you are using the SAP S/4HANA Migration Cockpit, familiarize yourself with the specific mapping templates and guidelines provided by SAP.
  Data Migration Best Practices: Always ensure that your source data is clean and well-structured before starting the migration process to minimize errors.
  
  By following these steps, you should be able to resolve the CNV_20200_CHECK271 error and proceed with your data migration successfully.