How To Fix UR158 - System error during lock request

SAP Error Message - Details

• Message type: E = Error

• Message class: UR -

• Message number: 158

• Message text: System error during lock request

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message UR158 - System error during lock request ?

  The SAP error message UR158, which indicates a "System error during lock request," typically occurs when there is an issue with the lock management in the SAP system. This error can arise due to various reasons, including:
  Causes:
  
  Database Lock Issues: The database may be unable to handle lock requests due to contention or deadlocks.
  System Resource Limitations: Insufficient memory or CPU resources can lead to failures in processing lock requests.
  Network Issues: Problems with network connectivity between the application server and the database can cause lock requests to fail.
  Configuration Issues: Incorrect configuration settings in the SAP system or database can lead to locking problems.
  Software Bugs: There may be bugs in the SAP kernel or database that cause lock management to fail.
  
  Solutions:
  
  Check System Logs: Review the system logs (transaction SM21) and developer traces (transaction ST22) for more detailed error messages that can provide insights into the root cause.
  Monitor Lock Entries: Use transaction SM12 to check for existing lock entries. If there are stale locks, they can be deleted if they are no longer needed.
  Database Performance: Ensure that the database is performing optimally. Check for any long-running queries or locks that may be causing contention.
  System Resources: Monitor system resources (CPU, memory, disk I/O) to ensure that the SAP application server and database server have sufficient resources.
  Network Stability: Verify the stability of the network connection between the application server and the database server.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address known issues related to this error.
  Kernel Upgrade: If the issue is related to a bug in the SAP kernel, consider upgrading to the latest version of the SAP kernel.
  Consult SAP Support: If the issue persists, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  Transaction Codes: 
  
  SM21: System Log
  ST22: Dump Analysis
  SM12: Display and Delete Lock Entries
  SM37: Job Monitoring
  
  
  SAP Notes: Always check for relevant SAP Notes that may provide specific fixes or workarounds for the UR158 error.
  Documentation: Review SAP documentation for lock management and troubleshooting techniques.
  
  By following these steps, you should be able to diagnose and resolve the UR158 error in your SAP system.