How To Fix /PM0/ABP_ADM_FE040 - Screen cannot be unlocked; sample &1 is locked

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/ABP_ADM_FE -

• Message number: 040

• Message text: Screen cannot be unlocked; sample &1 is locked

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 /PM0/ABP_ADM_FE040 - Screen cannot be unlocked; sample &1 is locked ?

  The SAP error message /PM0/ABP_ADM_FE040 indicates that a specific screen or transaction cannot be unlocked because a sample (or object) is currently locked. This typically occurs in the context of SAP Quality Management (QM) or similar modules where certain objects are locked during processing to prevent concurrent modifications.
  Cause:
  
  Concurrent Access: Another user or process is currently accessing the same sample or object, which leads to a lock being placed on it.
  Unfinished Transactions: A previous transaction may not have been completed properly, leaving the object in a locked state.
  System Errors: Sometimes, system errors or crashes can leave objects in a locked state.
  
  Solution:
  
  
  Identify the Lock:
  
  Use transaction code SM12 to view the list of locks in the system. You can filter by the user or object type to find the specific lock related to your sample.
  Check if the lock is held by another user or process.
  
  
  
  Release the Lock:
  
  If you have the necessary authorizations, you can manually delete the lock entry in SM12. Be cautious when doing this, as it may affect other users.
  If the lock is held by another user, you may need to contact that user to coordinate the release of the lock.
  
  
  
  Check for Background Jobs:
  
  Sometimes, background jobs may hold locks. Check transaction SM37 to see if there are any jobs running that might be causing the lock.
  
  
  
  Restart the Transaction:
  
  If the lock is released, try to restart the transaction or process that was previously blocked.
  
  
  
  Consult with Basis Team:
  
  If you are unable to resolve the issue, it may be necessary to involve your SAP Basis team. They can provide further insights and may have tools to release locks or diagnose underlying issues.
  
  
  
  Related Information:
  
  Lock Management: Understanding how SAP handles locks can help in troubleshooting. Locks are typically managed at the database level, and SAP uses various lock modes (e.g., exclusive, shared) to control access.
  User Authorizations: Ensure that you have the necessary authorizations to view and manage locks in the system.
  Documentation: Refer to SAP documentation or support notes related to lock management and error handling for more detailed guidance.
  
  By following these steps, you should be able to identify and resolve the issue related to the error message /PM0/ABP_ADM_FE040.