How To Fix /LIME/CORE136 - Entry in /LIME/NQUAN table cannot be locked

SAP Error Message - Details

• Message type: E = Error

• Message class: /LIME/CORE -

• Message number: 136

• Message text: Entry in /LIME/NQUAN table cannot be locked

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /LIME/CORE136 - Entry in /LIME/NQUAN table cannot be locked ?

  The SAP error message /LIME/CORE136 Entry in /LIME/NQUAN table cannot be locked typically indicates that there is an issue with locking mechanisms in the SAP system, specifically related to the /LIME/NQUAN table. This error can occur in various scenarios, such as during data processing, updates, or when multiple users are trying to access the same data simultaneously.
  Causes:
  
  Concurrent Access: Multiple users or processes are trying to access or modify the same entry in the /LIME/NQUAN table at the same time, leading to a locking conflict.
  Long-Running Transactions: A transaction that takes a long time to complete may hold a lock on the table, preventing other transactions from accessing it.
  Database Lock Issues: There may be issues with the database lock management, such as stale locks that were not released properly.
  System Performance Issues: High system load or performance issues can lead to delays in lock acquisition and release.
  
  Solutions:
  
  Check for Active Locks: Use transaction code SM12 to check for active locks on the /LIME/NQUAN table. You can identify the user or process holding the lock and take appropriate action.
  Release Locks: If you find stale locks that are no longer needed, you can manually release them using SM12. However, be cautious when doing this, as it may affect other users.
  Review Long-Running Transactions: Identify any long-running transactions that may be holding locks and optimize them if possible. You can use transaction SM66 to monitor active processes.
  Increase Lock Timeout: If the locking issue is frequent, consider increasing the lock timeout settings in the system configuration.
  System Performance Tuning: Investigate and resolve any underlying performance issues in the SAP system or database that may be contributing to the locking problem.
  Consult SAP Notes: Check for any relevant SAP Notes or updates that may address known issues with the /LIME/NQUAN table or locking mechanisms.
  
  Related Information:
  
  Transaction Codes: 
  
  SM12: Display and manage locks.
  SM66: Monitor global work processes.
  ST22: Check for dumps that may provide additional context.
  
  
  SAP Support: If the issue persists, consider reaching out to SAP Support for further assistance, especially if it is impacting business operations.
  Documentation: Review SAP documentation related to locking mechanisms and database performance tuning for more insights.
  
  By following these steps, you should be able to diagnose and resolve the locking issue related to the /LIME/NQUAN table.