How To Fix CNV20200641 - CJTRANS Names are not unique after merge. Call 'Specify Mapping Values'

CNV20200641 - Overview

• Message type: E = Error

• Message class: CNV20200 - Messages for development class CNV_20200

• Message number: 641

• Message text: CJTRANS Names are not unique after merge. Call 'Specify Mapping Values'

Self-Explanatory Message

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CNV20200641 - Details

• The SAP error message CNV20200641 with the description "CJTRANS Names are not unique after merge. Call 'Specify Mapping Values'" typically occurs during a data migration or conversion process, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there are duplicate entries in the mapping of project-related data (like WBS elements or network activities) after a merge operation.
  
  Cause:
  
  
  Duplicate Names: The error arises when the system detects that there are multiple entries with the same name or identifier in the data being processed. This can happen if:
  
  Two or more projects or WBS elements have the same name.
  The merging process combines data from different sources that have overlapping identifiers.
  
  
  
  Mapping Conflicts: During the mapping phase, if the same name is assigned to different entities, the system cannot determine which one to use, leading to ambiguity.
  
  
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Identify Duplicates:
  
  Review the data that is