How To Fix LMD_OM012 - Error on object &1 lock

SAP Error Message - Details

• Message type: E = Error

• Message class: LMD_OM - Messae class for LMD_OM package

• Message number: 012

• Message text: Error on object &1 lock

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message LMD_OM012 - Error on object &1 lock ?

  The SAP error message LMD_OM012 indicates that there is an issue with object locking in the system. This error typically occurs when a user or process attempts to access or modify an object that is currently locked by another user or process. The object in question is represented by &1 in the error message.
  Cause:
  
  Concurrent Access: Another user or process is currently using the object, leading to a lock.
  Long-Running Transactions: A transaction that takes a long time to complete may hold a lock on the object longer than expected.
  Improper Lock Release: If a process fails to release a lock due to an error or crash, it can lead to this error.
  Configuration Issues: Sometimes, configuration settings related to locking mechanisms may lead to unexpected behavior.
  
  Solution:
  
  
  Identify the Lock:
  
  Use transaction code SM12 to view and manage locks. You can check which user or process is holding the lock on the object.
  Look for the object name indicated by &1 in the error message.
  
  
  
  Release the Lock:
  
  If you identify a lock that is no longer needed (e.g., a user has logged off or a transaction has failed), you can manually delete the lock entry in SM12.
  Ensure that you have the necessary authorizations to delete locks.
  
  
  
  Communicate with Users:
  
  If the lock is held by another user, communicate with them to understand if they can release the lock or if they are still working on the object.
  
  
  
  Review Long-Running Transactions:
  
  Investigate any long-running transactions that may be holding locks for an extended period. Optimize these transactions if possible.
  
  
  
  Check for Configuration Issues:
  
  Review the configuration settings related to locking mechanisms in your SAP system to ensure they are set up correctly.
  
  
  
  System Restart:
  
  In some cases, a system restart may be necessary to clear locks, but this should be a last resort and done during a maintenance window.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: To view and manage lock entries.
  SM21: To check system logs for any related errors or warnings.
  ST22: To analyze dumps that may provide insight into why a lock was not released.
  
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address specific issues related to locking mechanisms or the LMD_OM012 error.
  
  
  Documentation: Review SAP documentation on object locking and transaction management for best practices and troubleshooting steps.
  
  
  By following these steps, you should be able to resolve the LMD_OM012 error and understand the underlying causes of object locking in your SAP system.