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

CNV_20600_CHECK272 - Overview

• 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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CNV_20600_CHECK272 - Details

• 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