How To Fix MPE_BOM_INVERSION020 - Cannot lock Document Info Record &1-&2-&3-&4

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_BOM_INVERSION - Text for BOM inversion report

• Message number: 020

• Message text: Cannot lock Document Info Record &1-&2-&3-&4

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_BOM_INVERSION020 - Cannot lock Document Info Record &1-&2-&3-&4 ?

  The SAP error message MPE_BOM_INVERSION020 indicates that the system is unable to lock a Document Info Record (DIR) due to it being locked by another user or process. This typically occurs when multiple users or processes are trying to access or modify the same document simultaneously.
  Cause:
  
  Concurrent Access: Another user or process is currently accessing or modifying the Document Info Record.
  Long-running Transactions: A transaction that takes a long time to complete may hold the lock longer than expected.
  System Issues: There may be issues with the SAP system itself, such as performance problems or database locks.
  
  Solution:
  
  
  Identify the Lock:
  
  Use transaction code SM12 to check for existing locks. You can filter by the user or the object type to find the specific lock on the Document Info Record.
  If you find a lock that is no longer needed, you can delete it (if you have the necessary authorizations).
  
  
  
  Wait and Retry: If the lock is held by another user, you may need to wait until they finish their transaction and then try again.
  
  
  Communicate with Users: If you identify that a specific user is holding the lock, you can communicate with them to understand if they can release the lock.
  
  
  Check for Long-running Processes: If a process is taking too long, investigate why it is taking longer than expected and address any performance issues.
  
  
  System Monitoring: Regularly monitor the system for locks and performance issues to prevent such errors from occurring frequently.
  
  
  Consult SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions related to this error.
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: To view and manage locks.
  SM21: To check system logs for any related errors or warnings.
  ST22: To check for dumps that may provide additional context.
  
  
  
  Documentation: Review SAP documentation related to Document Info Records and locking mechanisms for a deeper understanding of how locks are managed in the system.
  
  
  SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP Support for further assistance.
  
  
  By following these steps, you should be able to diagnose and resolve the issue related to the error message MPE_BOM_INVERSION020.