How To Fix SAPLWSAM124 - Material &2 is locked by user &1; stop and start again

SAP Error Message - Details

• Message type: E = Error

• Message class: SAPLWSAM -

• Message number: 124

• Message text: Material &2 is locked by user &1; stop and start again

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 SAPLWSAM124 - Material &2 is locked by user &1; stop and start again ?

  The SAP error message "SAPLWSAM124 Material &2 is locked by user &1; stop and start again" indicates that a specific material (identified by &2) is currently locked by another user (identified by &1). This typically occurs when a user is performing an operation on the material, such as editing or processing it, and another user attempts to access or modify the same material simultaneously.
  Cause:
  
  Concurrent Access: The most common cause is that two users are trying to access or modify the same material at the same time.
  Long-running Transactions: If a user has a transaction open for an extended period, it can lead to locks on the material.
  System Errors: Occasionally, system errors or crashes can leave locks in place that need to be cleared.
  
  Solution:
  
  Wait and Retry: The simplest solution is to wait for the user who has locked the material to complete their transaction and release the lock. After some time, try the operation again.
  Identify the Lock: Use transaction code SM12 to view and manage locks. You can check which user has locked the material and the details of the lock.
  
  In SM12, enter the material number in the "Object" field to filter the locks related to that material.
  
  
  Contact the User: If you identify the user who has locked the material, you can contact them to see if they can complete their transaction or release the lock.
  Delete the Lock: If necessary and if you have the appropriate authorizations, you can delete the lock entry in SM12. However, this should be done with caution, as it may disrupt the other user's work.
  Check for Background Jobs: Sometimes, background jobs may hold locks. Check transaction SM37 to see if any background jobs are running that might be causing the lock.
  System Administration: If locks persist and are causing issues, it may require intervention from a system administrator to investigate further.
  
  Related Information:
  
  Lock Management: Understanding how SAP handles locks is crucial. Locks are used to maintain data integrity and prevent conflicts during concurrent access.
  Transaction Codes:
  
  SM12: To view and manage lock entries.
  SM37: To check background jobs that might be holding locks.
  SE11: To view the data dictionary and understand the structure of the material master.
  
  
  User Training: Ensure that users are trained on how to properly exit transactions to avoid leaving locks in place.
  
  By following these steps, you should be able to resolve the issue related to the locked material in SAP.