How To Fix /LSIERP/TQ023 - Cannot lock table &1 for quotation &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /LSIERP/TQ -

• Message number: 023

• Message text: Cannot lock table &1 for quotation &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /LSIERP/TQ023 - Cannot lock table &1 for quotation &2 ?

  The SAP error message /LSIERP/TQ023 Cannot lock table &1 for quotation &2 typically occurs in the context of the SAP Logistics module, particularly when dealing with quotations in the Sales and Distribution (SD) area. This error indicates that the system is unable to lock a specific table for the quotation due to various reasons, which can lead to issues in processing the quotation.
  Causes:
  
  Concurrent Access: The most common cause is that another user or process is currently accessing the same quotation or related data, preventing the system from obtaining a lock.
  Long-running Transactions: If a transaction is taking too long to complete, it may hold locks on the table, causing subsequent requests to fail.
  Database Lock Issues: There may be issues with the database locks, such as deadlocks or lock timeouts.
  System Performance: High system load or performance issues can lead to delays in acquiring locks.
  Configuration Issues: Incorrect configuration in the SAP system related to locking mechanisms.
  
  Solutions:
  
  Wait and Retry: If the error is due to concurrent access, waiting for a short period and then retrying the operation may resolve the issue.
  Check Active Sessions: Use transaction codes like SM12 to check for active locks. You can identify if another user is holding a lock on the same quotation and take appropriate action.
  Analyze Long-running Transactions: Use transaction SM66 to monitor active processes and identify any long-running transactions that may be causing the lock.
  Database Administration: If you suspect database lock issues, consult with your database administrator to check for deadlocks or other locking issues.
  System Performance Monitoring: Monitor system performance and resource utilization to ensure that the system is not overloaded.
  Configuration Review: Review the configuration settings related to locking in your SAP system to ensure they are set correctly.
  
  Related Information:
  
  Transaction Codes: 
  
  SM12: To view and manage lock entries.
  SM66: To monitor active processes in the system.
  ST22: To check for dumps that may provide additional context.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation related to locking mechanisms and transaction management in the SD module.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.