How To Fix CNV_PE_GEN043 - Function group already exists in target; no generation required

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_GEN - Messages for object generation

• Message number: 043

• Message text: Function group already exists in target; no generation required

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE_GEN043 - Function group already exists in target; no generation required ?

  The SAP error message CNV_PE_GEN043 indicates that a function group already exists in the target system, and therefore, no generation of that function group is required. This error typically arises during data migration or system conversion processes, particularly when using SAP's Conversion Tools or Migration Cockpit.
  Cause:
  
  Existing Function Group: The function group that the migration process is trying to create already exists in the target system. This can happen if the migration process was previously executed, or if the function group was manually created or imported into the system.
  Duplicate Migration Attempts: If the migration process is run multiple times without proper cleanup or if the migration scripts are not idempotent, it can lead to this error.
  Incorrect Configuration: There may be configuration issues in the migration settings that lead to attempts to recreate existing objects.
  
  Solution:
  
  Check Existing Function Groups: Verify if the function group indeed exists in the target system. You can do this by using transaction SE80 or SE37 to search for the function group.
  Skip Generation: If the function group is confirmed to be correct and functional, you can skip the generation step for that function group in the migration process.
  Cleanup: If the function group is not needed or is a leftover from a previous migration attempt, consider deleting it or cleaning up the target system before re-running the migration.
  Review Migration Logs: Check the migration logs for any additional context or errors that may provide insight into why the function group already exists.
  Consult Documentation: Refer to the SAP documentation related to the specific migration or conversion tool you are using for any additional steps or considerations.
  
  Related Information:
  
  Transaction Codes: Use SE80 (Object Navigator) or SE37 (Function Builder) to investigate existing function groups.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on handling function groups during migrations.
  Migration Tools: Familiarize yourself with the specific migration tool you are using (e.g., SAP S/4HANA Migration Cockpit, SAP Landscape Transformation) as they may have specific guidelines for handling existing objects.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance.