How To Fix CNVPD081 - User & is locking BOM item

SAP Error Message - Details

• Message type: E = Error

• Message class: CNVPD - BOM Converter Notifications

• Message number: 081

• Message text: User & is locking BOM item

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNVPD081 - User & is locking BOM item ?

  The SAP error message CNVPD081 indicates that a user is locking a Bill of Materials (BOM) item. This typically occurs during data migration or conversion processes, particularly when using the SAP Conversion Tools or during system upgrades. The error suggests that the BOM item you are trying to access or modify is currently locked by another user or process.
  Cause:
  
  User Lock: Another user is currently editing or has locked the BOM item.
  Background Jobs: A background job or process is accessing the BOM item, preventing other operations.
  Transaction Lock: The transaction you are trying to execute is trying to access a BOM item that is locked due to another transaction.
  
  Solution:
  
  
  Identify the Lock:
  
  Use transaction code SM12 to check for user locks. You can filter by the user ID or the object type related to BOM.
  Look for the specific BOM item that is locked and identify the user or process that is holding the lock.
  
  
  
  Release the Lock:
  
  If you have the necessary authorizations, you can manually delete the lock entry in SM12. However, be cautious with this approach, as it may disrupt the work of the user who has the lock.
  If the lock is held by a background job, you may need to wait for the job to complete or terminate the job if it is safe to do so.
  
  
  
  Retry the Operation:
  
  After the lock has been released, retry the operation that caused the error.
  
  
  
  Check for Long-Running Transactions:
  
  If this issue occurs frequently, investigate if there are long-running transactions that are causing locks on BOM items. Optimize these transactions if possible.
  
  
  
  User Communication:
  
  Communicate with the user who is locking the BOM item to understand if they can release the lock or if they are done with their changes.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: To view and manage user locks.
  SM21: To check system logs for any related issues.
  SE11: To view the data dictionary and check the structure of the BOM tables.
  
  
  
  BOM Tables:
  
  BOM data is typically stored in tables like STPO (BOM item) and STPOZ (BOM item for alternative BOMs).
  
  
  
  SAP Notes: Check for any 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 better understand how locks are handled in the system.
  
  
  If the problem persists after trying the above solutions, consider reaching out to your SAP Basis or technical support team for further assistance.