How To Fix LVC073 - Cannot release enqueue lock

SAP Error Message - Details

• Message type: E = Error

• Message class: LVC - Error Texts for LiveCache Monitoring, Administration...

• Message number: 073

• Message text: Cannot release enqueue 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message LVC073 - Cannot release enqueue lock ?

  The SAP error message LVC073: Cannot release enqueue lock typically occurs when there is an issue with the enqueue lock mechanism in the SAP system. This error is often related to the handling of data in the SAP database, particularly when multiple users or processes are trying to access or modify the same data simultaneously.
  Causes:
  
  Concurrent Access: Multiple users or processes are trying to access or modify the same data, leading to a conflict in the enqueue locks.
  Long-Running Transactions: A transaction that takes too long to complete may hold onto an enqueue lock longer than expected, preventing other transactions from releasing it.
  System Errors: There may be underlying system issues, such as database connectivity problems or issues with the SAP application server.
  Lock Table Overflow: The lock table may be full, preventing new locks from being created or existing locks from being released.
  
  Solutions:
  
  Identify and Terminate Long-Running Transactions: Use transaction codes like SM12 to check for existing locks and identify any long-running transactions that may be holding locks. If necessary, terminate these transactions.
  Check for Deadlocks: Use transaction SM21 to check the system log for any deadlock situations that may be causing the issue.
  Increase Lock Table Size: If the lock table is full, consider increasing its size. This can be done by adjusting the profile parameters in the SAP system.
  Review Code for Lock Management: If the error is occurring in custom code, review the code for proper lock management practices. Ensure that locks are released as soon as they are no longer needed.
  System Restart: In some cases, a system restart may be necessary to clear any lingering locks or issues.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: Display and manage lock entries.
  SM21: System log for monitoring system messages.
  SM37: Monitor background jobs to check for any jobs that may be causing issues.
  
  
  SAP Notes: Search for specific SAP Notes related to the LVC073 error for additional guidance and solutions.
  Performance Monitoring: Regularly monitor system performance and lock situations to prevent future occurrences of this error.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or consult SAP support for further assistance.