How To Fix MPE_CM_BOM039 - Attempt to write to an attribute when object was write locked.

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_CM_BOM - Message Class for Parameter Effectivity

• Message number: 039

• Message text: Attempt to write to an attribute when object was write locked.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_CM_BOM039 - Attempt to write to an attribute when object was write locked. ?

  The SAP error message MPE_CM_BOM039 indicates that there was an attempt to write to an attribute of an object that is currently write-locked. This typically occurs in the context of SAP's Material Management (MM) or Product Lifecycle Management (PLM) modules, particularly when dealing with Bill of Materials (BOM) or similar objects.
  Cause:
  
  
  Write Lock: The object you are trying to modify is currently locked for writing by another user or process. This can happen if:
  
  Another user is editing the same object.
  A background job is processing the object.
  The object is in a state that does not allow modifications (e.g., it is being used in a transaction).
  
  
  
  Transaction Conflicts: If multiple users or processes are trying to access the same object simultaneously, it can lead to conflicts and locks.
  
  
  Solution:
  
  
  Check Lock Status:
  
  Use transaction code SM12 to check for locks on the object. You can see which user or process is holding the lock.
  If you find a lock that is no longer needed, you can release it (if you have the necessary permissions).
  
  
  
  Wait and Retry:
  
  If the lock is held by another user, you may need to wait until they finish their transaction and release the lock. You can then retry your operation.
  
  
  
  Communicate with Users:
  
  If you are in a multi-user environment, communicate with your team to ensure that no one else is editing the same object at the same time.
  
  
  
  Review Background Jobs:
  
  Check if there are any background jobs that might be processing the object. You can use transaction code SM37 to monitor background jobs.
  
  
  
  Check for System Issues:
  
  Sometimes, system issues or bugs can cause locks to persist longer than expected. If you suspect this, consult your SAP Basis team or check SAP Notes for any known issues.
  
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Documentation: Review SAP documentation related to BOM management and locking mechanisms to understand how locks are managed in your specific version of SAP.
  User Training: Ensure that users are trained on how to properly manage objects in SAP to minimize locking issues.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP support team or consult with SAP directly for further assistance.