How To Fix 29877 - BOM & & & is already locked for changes so cannot replace

29877 - Overview

• Message type: E = Error

• Message class: 29 - Bills of Material

• Message number: 877

• Message text: BOM & & & is already locked for changes so cannot replace

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 29877 - BOM & & & is already locked for changes so cannot replace ?

  The SAP error message "29877 BOM & & & is already locked for changes so cannot replace" typically occurs when you attempt to modify or replace a Bill of Materials (BOM) that is currently locked by another user or process. This locking mechanism is in place to prevent data inconsistencies that could arise from simultaneous modifications.
  
  Cause:
  
  User Lock: Another user is currently editing the BOM, which prevents you from making changes.
  System Lock: The BOM might be locked due to a background job or a transaction that is currently processing.
  Transaction Lock: If a transaction is not completed properly, it may leave the BOM in a locked state.
  
  
  Solution:
  
  
  Check Lock Entries:
  
  Use transaction code SM12 to check for lock entries. You can filter by the user or the object type related to BOMs.
  If you find a lock that is no longer needed, you can delete it (if you have the necessary authorizations).
  
  
  
  Wait for Release:
  
  If another