How To Fix LTR2_BASIS_SL051 - Requesting a lock for step list &1 failed (system failure)

SAP Error Message - Details

• Message type: E = Error

• Message class: LTR2_BASIS_SL - Step List Messages

• Message number: 051

• Message text: Requesting a lock for step list &1 failed (system failure)

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 LTR2_BASIS_SL051 - Requesting a lock for step list &1 failed (system failure) ?

  The SAP error message LTR2_BASIS_SL051 indicates that there was a failure when trying to request a lock for a step list in the system. This typically occurs during processes that require locking mechanisms to ensure data integrity, such as during transport requests, batch jobs, or other operations that involve multiple steps.
  Causes:
  
  Database Lock Issues: The error may arise due to issues with database locks, where the system is unable to acquire a lock on the required resources.
  System Resource Limitations: Insufficient system resources (like memory or CPU) can lead to failures in acquiring locks.
  Deadlocks: If two or more processes are waiting for each other to release locks, it can lead to a deadlock situation.
  Configuration Issues: Incorrect configuration settings in the SAP system can also lead to locking issues.
  Transport Management System (TMS) Issues: If the error occurs during a transport operation, it may be related to TMS configuration or issues with the transport directory.
  
  Solutions:
  
  Check Lock Entries: Use transaction code SM12 to check for existing lock entries. If there are stale locks, you may need to delete them (ensure you understand the implications of doing so).
  Monitor System Resources: Use transaction codes like SM50 or SM66 to monitor system performance and check for any resource bottlenecks.
  Review Background Jobs: Check for any background jobs that might be causing contention for locks. You can use transaction SM37 to review job logs.
  Restart the Process: If the error occurred during a specific process, try restarting that process after ensuring that no locks are held.
  Check Transport Management System: If the error is related to transport requests, verify the TMS configuration and ensure that the transport directory is accessible and correctly set up.
  System Logs: Review system logs (transaction SM21) for any additional error messages or warnings that could provide more context about the failure.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide patches or updates.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: Display and manage lock entries.
  SM21: System log.
  SM37: Job monitoring.
  SM50/SM66: Process overview.
  
  
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance, providing them with detailed logs and error messages.
  
  Always ensure that you have proper backups and understand the implications of any changes you make in the system, especially when dealing with locks and system resources.