How To Fix CNV_PE682 - Undo not allowed. TRCO process completed TRule mapping(s)

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 682

• Message text: Undo not allowed. TRCO process completed TRule mapping(s)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE682 - Undo not allowed. TRCO process completed TRule mapping(s) ?

  The SAP error message "CNV_PE682 Undo not allowed. TRCO process completed TRule mapping(s)" typically occurs in the context of data migration or transformation processes, particularly when using the SAP Conversion Tools (like the SAP S/4HANA Migration Cockpit or other data migration tools). This error indicates that an attempt to undo a transformation rule mapping (TRule) is not permitted because the TRCO (Transformation Control) process has already been completed.
  Cause:
  
  Completed TRCO Process: The error arises when you try to undo a transformation rule mapping after the TRCO process has been finalized. Once the TRCO process is completed, the system locks the transformation rules to maintain data integrity.
  Incorrect Workflow: The user may be attempting to perform an undo operation without following the correct sequence of operations in the data migration process.
  System Restrictions: The system may have restrictions in place that prevent undoing certain actions after they have been committed.
  
  Solution:
  
  Check TRCO Status: Verify the status of the TRCO process. If it is completed, you will not be able to undo the transformation rules. You may need to start a new transformation or adjust your approach.
  Review Migration Steps: Ensure that you are following the correct sequence of steps in the migration process. If you need to make changes, consider whether you can create a new mapping or adjust the existing one without undoing.
  Consult Documentation: Refer to the SAP documentation or guides related to the specific migration tool you are using. There may be specific instructions or best practices for handling transformation rules.
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They can provide guidance based on the specific context of your migration project.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific tool you are using, as it may contain troubleshooting tips and best practices.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to address the error and continue with your data migration or transformation process effectively.