How To Fix CNVPD082 - User & is locking BOM header

SAP Error Message - Details

• Message type: E = Error

• Message class: CNVPD - BOM Converter Notifications

• Message number: 082

• Message text: User & is locking BOM header

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNVPD082 - User & is locking BOM header ?

  The SAP error message CNVPD082 indicates that a user is locking the Bill of Materials (BOM) header, which can prevent other users or processes from accessing or modifying the BOM. This error typically arises during data migration or conversion processes, particularly when using SAP's Conversion Tools.
  Cause:
  
  User Locking: The user mentioned in the error message has an active session that is locking the BOM header. This can happen if the user is currently editing the BOM or if a previous session did not release the lock properly.
  Long-Running Transactions: If a transaction involving the BOM is taking a long time to complete, it can hold the lock for an extended period.
  Background Jobs: Sometimes, background jobs that interact with BOMs can also cause locks if they are not designed to handle concurrent access properly.
  
  Solution:
  
  Identify the Lock: Use transaction code SM12 to check for locks. You can filter by the user ID mentioned in the error message to see if there are any active locks on the BOM header.
  Release the Lock: If you find that the lock is no longer needed (for example, if the user has logged out or the session has hung), you can manually delete the lock entry from SM12. However, be cautious when doing this, as it may disrupt the user's work.
  Communicate with the User: If the user is actively working on the BOM, communicate with them to see if they can complete their task or log out to release the lock.
  Check for Background Jobs: If a background job is causing the lock, you may need to wait for it to complete or investigate why it is taking longer than expected.
  Review Lock Management: If this issue occurs frequently, consider reviewing your lock management practices and the design of your processes to minimize locking conflicts.
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: To view and manage lock entries.
  SM21: To check system logs for any related errors or warnings.
  SE11: To check the structure of the BOM table (e.g., STPO, STPOZ).
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to BOM locking. You can search for notes using the SAP Support Portal.
  
  
  Performance Tuning: If locks are a frequent issue, consider performance tuning of the processes that interact with BOMs to reduce the time they hold locks.
  
  
  By following these steps, you should be able to resolve the CNVPD082 error and prevent it from occurring in the future.