How To Fix CNV_20600_CHECK272 - Double mapping entry provided for source accounting code &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20600_CHECK - Messages for Check classes

• Message number: 272

• Message text: Double mapping entry provided for source accounting code &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20600_CHECK272 - Double mapping entry provided for source accounting code &1 ?

  The SAP error message CNV_20600_CHECK272 with the description "Double mapping entry provided for source accounting code &1" typically occurs during data migration or conversion processes, particularly when using SAP's Conversion Tools or during the implementation of SAP S/4HANA.
  Cause:
  This error indicates that there are multiple mapping entries for the same source accounting code in the mapping table. In other words, the system has detected that the same source accounting code is being mapped to more than one target accounting code, which can lead to ambiguity in the data conversion process.
  Solution:
  To resolve this error, you should follow these steps:
  
  
  Identify the Duplicate Entries:
  
  Check the mapping table where the source accounting codes are defined. Look for the specific source accounting code indicated by the error message (represented by &1).
  You can use transaction codes like SE16 or SE11 to view the relevant mapping table.
  
  
  
  Review the Mapping Logic:
  
  Determine why there are multiple mappings for the same source accounting code. This could be due to incorrect data entry, a misunderstanding of the mapping requirements, or an oversight during the mapping setup.
  
  
  
  Consolidate or Correct the Mappings:
  
  Decide on the correct target accounting code that should be associated with the source accounting code. You may need to consult with your finance or accounting team to ensure that the correct mapping is applied.
  Remove or consolidate the duplicate entries so that each source accounting code maps to a single target accounting code.
  
  
  
  Test the Changes:
  
  After making the necessary adjustments, re-run the data migration or conversion process to ensure that the error is resolved.
  
  
  
  Documentation:
  
  Document the changes made to the mapping table for future reference and to maintain data integrity.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE16 (Data Browser) or SE11 (Data Dictionary) to access and modify the mapping tables.
  SAP Notes: Check for any SAP Notes related to the specific error message or the data migration process you are using. SAP Notes often provide additional insights or solutions for known issues.
  Data Migration Tools: If you are using specific SAP tools for data migration (like SAP S/4HANA Migration Cockpit), refer to the documentation for those tools for best practices and troubleshooting tips.
  
  By following these steps, you should be able to resolve the CNV_20600_CHECK272 error and ensure a smooth data migration process.