How To Fix /MOC/OBJECT302 - Movement is not possible because activity &1 is locked by &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /MOC/OBJECT -

• Message number: 302

• Message text: Movement is not possible because activity &1 is locked by &2

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 /MOC/OBJECT302 - Movement is not possible because activity &1 is locked by &2 ?

  The SAP error message /MOC/OBJECT302 Movement is not possible because activity &1 is locked by &2 typically indicates that a specific activity (identified by &1) is currently locked by another user or process (identified by &2). This locking mechanism is a part of SAP's concurrency control to prevent data inconsistencies when multiple users or processes attempt to modify the same data simultaneously.
  Cause:
  
  User Lock: Another user is currently working on the same activity, which prevents you from making changes.
  System Lock: A background job or process may have locked the activity for processing.
  Transaction Lock: The activity may be locked due to an incomplete transaction or an error in a previous operation.
  
  Solution:
  
  
  Check Lock Entries:
  
  Use transaction code SM12 to check for lock entries. You can filter by the user ID or the object type to find the specific lock.
  If you find that the lock is held by another user, you may need to wait until they complete their work.
  
  
  
  Contact the User:
  
  If the lock is held by another user, you can reach out to them to see if they can release the lock or if they are done with their task.
  
  
  
  Release Locks:
  
  If you determine that the lock is no longer needed (e.g., the user has logged off unexpectedly), you may have the option to delete the lock entry in SM12. However, this should be done with caution and typically requires appropriate authorizations.
  
  
  
  Check Background Jobs:
  
  Use transaction code SM37 to check for any background jobs that might be locking the activity. If a job is running, you may need to wait for it to complete.
  
  
  
  Review Transaction Logs:
  
  If the issue persists, review transaction logs or system logs for any errors that might indicate why the lock is being held.
  
  
  
  Consult with Basis Team:
  
  If you are unable to resolve the issue, it may be necessary to consult with your SAP Basis team for further investigation.
  
  
  
  Related Information:
  
  Lock Management: Understanding how SAP handles locks can help in troubleshooting. Locks are typically managed at the database level to ensure data integrity.
  User Authorizations: Ensure that you have the necessary authorizations to view and manage locks.
  Documentation: Refer to SAP documentation or help resources for more detailed information on lock management and troubleshooting.
  
  By following these steps, you should be able to identify the cause of the lock and take appropriate action to resolve the error.