How To Fix CNV_PE391 - Grouping cannot be enabled; transfer method &1 is currently being edited

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 391

• Message text: Grouping cannot be enabled; transfer method &1 is currently being edited

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE391 - Grouping cannot be enabled; transfer method &1 is currently being edited ?

  The SAP error message CNV_PE391 indicates that the grouping feature cannot be enabled because the specified transfer method (denoted as &1 in the message) is currently being edited. This typically occurs in the context of data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
  Cause:
  
  Concurrent Editing: The transfer method you are trying to enable grouping for is currently being edited by another user or process. This can happen if multiple users are working on the same transfer method simultaneously.
  Locking Mechanism: SAP has a locking mechanism to prevent data inconsistencies. If a transfer method is locked for editing, you cannot make changes to its settings, including enabling grouping.
  
  Solution:
  
  Check for Active Sessions: Verify if another user is currently editing the transfer method. You can do this by checking the transaction logs or using transaction codes like SM12 (to check for locks) or SM21 (to view system logs).
  Wait for Release: If another user is editing the transfer method, you may need to wait until they finish and release the lock.
  Unlock the Transfer Method: If you have the necessary authorizations and it is appropriate to do so, you can unlock the transfer method. However, this should be done with caution to avoid disrupting another user's work.
  Edit in a Different Session: If you are able to, try to edit the transfer method in a different session or after confirming that no one else is editing it.
  Contact Support: If the issue persists and you cannot identify the cause, consider reaching out to your SAP support team for assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  SM12: To check for locks on objects.
  SM21: To view system logs for any related issues.
  SE11: To check the data dictionary for the transfer method.
  
  
  Documentation: Review SAP documentation related to the specific migration or conversion process you are working on, as it may provide additional insights or troubleshooting steps.
  User Authorizations: Ensure that you have the necessary authorizations to edit the transfer method and enable grouping.
  
  By following these steps, you should be able to resolve the CNV_PE391 error and successfully enable grouping for the transfer method.