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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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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