How To Fix ACO302 - User group &1 already being processed by &2: Deletion not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: ACO - Error Messages for Package ACO

• Message number: 302

• Message text: User group &1 already being processed by &2: Deletion not possible

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ACO302 - User group &1 already being processed by &2: Deletion not possible ?

  The SAP error message ACO302 indicates that a user group is currently being processed by another user or session, which prevents the deletion of that user group. This is a common issue in SAP systems when multiple users or processes attempt to modify the same object simultaneously.
  Cause:
  
  Concurrent Processing: The user group you are trying to delete is currently being accessed or modified by another user or session.
  Lock Mechanism: SAP uses a locking mechanism to prevent data inconsistencies. If a user is editing or processing the user group, it will be locked for other users.
  Long-running Transactions: If a transaction is taking a long time to complete, it may hold the lock longer than expected.
  
  Solution:
  
  Wait and Retry: The simplest solution is to wait for the other user or process to complete its operation. After some time, try deleting the user group again.
  Identify the Lock: You can use transaction code SM12 to check for locks in the system. Look for the user group in question and see which user or session is holding the lock.
  Terminate the Session: If you have the necessary authorizations and it is appropriate to do so, you can terminate the session that is holding the lock. This can be done in transaction SM50 (for process overview) or SM66 (for global process overview).
  Check for Background Jobs: Sometimes, background jobs may be processing the user group. You can check for any active jobs in transaction SM37.
  Contact the User: If you identify the user who is holding the lock, you may want to contact them to see if they can complete their task or release the lock.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To view and manage locks.
  SM50/SM66: To monitor active processes.
  SM37: To check background jobs.
  
  
  User Group Management: Ensure that user groups are managed properly to avoid conflicts. Regularly review user group assignments and usage.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to user group management or locking mechanisms.
  
  By following these steps, you should be able to resolve the ACO302 error and successfully delete the user group once it is no longer being processed by another user or session.