How To Fix BOM256 - BOM is locked

SAP Error Message - Details

• Message type: E = Error

• Message class: BOM - BOMs (2)

• Message number: 256

• Message text: BOM 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 BOM256 - BOM is locked ?

  The SAP error message BOM256 indicates that a Bill of Materials (BOM) is locked, which typically means that the BOM is currently being edited or processed by another user or transaction. This can prevent you from making changes or viewing the BOM until the lock is released.
  Causes of BOM256 Error
  
  Concurrent Access: Another user is currently editing the BOM.
  Transaction in Progress: A transaction that involves the BOM is still running.
  System Lock: The system may have a lock due to a previous transaction that did not complete properly.
  User Lock: The user who created or last modified the BOM may have a lock on it.
  
  Solutions to BOM256 Error
  
  Wait and Retry: If another user is editing the BOM, wait for them to finish and then try again.
  Check Lock Entries:
  
  Use transaction code SM12 to check for lock entries. You can filter by the user or the object type (e.g., BOM).
  If you find a lock that should not be there, you can delete it if you have the necessary authorizations.
  
  
  Identify the Locking User: In SM12, you can see which user is holding the lock. If it’s a user who is not actively working on it, you may contact them to release the lock.
  Check for Background Jobs: Use transaction code SM37 to check if there are any background jobs that might be using the BOM.
  System Restart: In rare cases, a system restart may be necessary if the lock persists and cannot be resolved through the above methods.
  Contact SAP Support: If the issue continues and you cannot resolve it, consider reaching out to SAP support for further assistance.
  
  Related Information
  
  
  Transaction Codes:
  
  SM12: To view and manage lock entries.
  SM37: To check background jobs.
  CS03: To display BOMs.
  CS02: To change BOMs.
  
  
  
  User Authorizations: Ensure that you have the necessary authorizations to view or modify BOMs and to manage locks.
  
  
  Documentation: Refer to SAP Help documentation for more details on BOM management and locking mechanisms.
  
  
  By following these steps, you should be able to identify the cause of the BOM256 error and take appropriate action to resolve it.