How To Fix 5T140 - Error enqueing: Object & locked by another user

SAP Error Message - Details

• Message type: E = Error

• Message class: 5T - HR-FB messages which access TemSe

• Message number: 140

• Message text: Error enqueing: Object & locked by another user

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 5T140 - Error enqueing: Object & locked by another user ?

  The SAP error message 5T140 ("Error enqueuing: Object & locked by another user") indicates that a specific object (such as a table, record, or other resource) is currently locked by another user or process. This typically occurs in scenarios where multiple users or processes are trying to access or modify the same object simultaneously.
  Causes:
  
  Concurrent Access: Another user or transaction is currently accessing the object, leading to a lock.
  Long-Running Transactions: A transaction that takes a long time to complete may hold a lock for an extended period.
  Uncommitted Changes: If a user has made changes to an object but has not yet committed those changes, the object remains locked.
  Deadlocks: In some cases, a deadlock situation may arise where two or more processes are waiting for each other to release locks.
  
  Solutions:
  
  Wait and Retry: If the lock is temporary, waiting for a few moments and then retrying the operation may resolve the issue.
  Identify the Locking User:
  
  Use transaction SM12 (Display and Delete Locks) to view the locks currently held in the system.
  Identify the user or process that is holding the lock on the object in question.
  
  
  Contact the Locking User: If possible, communicate with the user who holds the lock to see if they can release it or complete their transaction.
  Terminate the Lock: If the locking user is not available or the lock is no longer needed, an administrator can use transaction SM12 to delete the lock entry. This should be done with caution, as it may lead to data inconsistency if the locking user is in the middle of a transaction.
  Review Application Logic: If this error occurs frequently, review the application logic to ensure that locks are being managed properly and that transactions are being committed or rolled back in a timely manner.
  Increase Lock Timeout: In some cases, adjusting the lock timeout settings in the system configuration may help alleviate the issue, but this should be done with caution and proper understanding of the implications.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: Display and Delete Locks
  SM21: System Log
  SM37: Job Monitoring (to check for long-running jobs)
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to locking mechanisms.
  Performance Monitoring: Use transaction ST22 (Dump Analysis) and SM66 (Global Work Process Overview) to monitor system performance and identify any bottlenecks.
  
  Best Practices:
  
  Ensure that users are trained on proper transaction handling to minimize the duration of locks.
  Regularly monitor and analyze lock situations to identify patterns and potential areas for improvement in application design or user training.
  Implement proper error handling in custom programs to manage lock situations gracefully.
  
  By following these steps, you should be able to address the 5T140 error effectively.