How To Fix /LSIERP/TQ134 - System error while locking data

SAP Error Message - Details

• Message type: E = Error

• Message class: /LSIERP/TQ -

• Message number: 134

• Message text: System error while locking data

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 /LSIERP/TQ134 - System error while locking data ?

  The SAP error message /LSIERP/TQ134 System error while locking data typically indicates that there is an issue with the locking mechanism in the SAP system. This can occur in various scenarios, such as when multiple users or processes are trying to access or modify the same data simultaneously, leading to a conflict.
  Causes:
  
  Database Lock Conflicts: Multiple transactions trying to lock the same data can lead to conflicts.
  System Performance Issues: High load on the system can cause delays in lock acquisition, leading to timeouts.
  Network Issues: Problems with network connectivity can disrupt the locking process.
  Configuration Issues: Incorrect configuration of the locking mechanism or related parameters in the SAP system.
  Program Errors: Bugs or errors in custom programs or standard transactions that handle data locking.
  
  Solutions:
  
  Check Lock Entries: Use transaction code SM12 to check for existing lock entries. You can identify if there are any locks that are causing the issue and release them if necessary.
  Review System Performance: Monitor system performance using transaction codes like ST22 (dump analysis) and SM21 (system log) to identify any underlying issues that may be affecting performance.
  Analyze Background Jobs: Check if there are any long-running background jobs that might be holding locks. Use transaction SM37 to monitor background jobs.
  Network Troubleshooting: Ensure that there are no network issues affecting the SAP system. Check connectivity and performance.
  Review Custom Code: If the error occurs in a custom program, review the code for any locking logic that may be causing the issue.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches or updates.
  Consult Basis Team: If the issue persists, consult your SAP Basis team for further analysis and troubleshooting.
  
  Related Information:
  
  Lock Management: Understanding how SAP handles locks can help in troubleshooting. SAP uses a locking mechanism to prevent data inconsistencies during concurrent access.
  Transaction Codes:
  
  SM12: Display and manage lock entries.
  SM21: View system logs for errors and warnings.
  ST22: Analyze short dumps that may provide insights into the error.
  SM37: Monitor background jobs for any that may be causing locks.
  
  
  SAP Documentation: Refer to SAP Help documentation for detailed information on locking mechanisms and error handling.
  
  If the problem continues after trying the above solutions, it may be necessary to escalate the issue to SAP support for further assistance.