How To Fix LTR2_BASIS020 - System failure during locking &1 in exclusive mode

SAP Error Message - Details

• Message type: E = Error

• Message class: LTR2_BASIS - LTR2 Basis Messages

• Message number: 020

• Message text: System failure during locking &1 in exclusive mode

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message LTR2_BASIS020 - System failure during locking &1 in exclusive mode ?

  The SAP error message LTR2_BASIS020 indicates a system failure during the locking of a resource in exclusive mode. This error typically occurs when there is an issue with the locking mechanism in the SAP system, which is crucial for ensuring data integrity during concurrent access.
  Causes:
  
  Database Lock Issues: The error may arise due to problems with database locks, such as deadlocks or contention for resources.
  System Resource Limitations: Insufficient system resources (like memory or CPU) can lead to failures in acquiring locks.
  Transport Requests: If the error occurs during a transport operation, it may be due to issues with the transport directory or the transport management system.
  Long-running Transactions: If a transaction is taking too long to complete, it may hold locks longer than expected, causing other processes to fail.
  Configuration Issues: Incorrect configuration settings in the SAP system or database can lead to locking issues.
  
  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.
  Monitor System Resources: Use transaction codes like SM50 or SM66 to monitor system performance and identify any long-running processes that may be causing contention.
  Review Transport Logs: If the error occurs during a transport, check the transport logs for any errors or warnings that may indicate the cause of the failure.
  Restart the Application Server: In some cases, restarting the application server can help clear temporary issues related to locking.
  Database Administration: Consult with your database administrator to check for any database-level issues, such as deadlocks or resource contention.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches and updates.
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: Display and manage lock entries.
  SM50: Monitor active processes.
  SM66: Monitor global processes.
  ST22: Check for dumps that may provide more context on the error.
  
  
  
  SAP Support: If the issue persists, consider reaching out to SAP Support with detailed logs and error messages for further assistance.
  
  
  Documentation: Review SAP documentation related to locking mechanisms and transport management for a deeper understanding of how these systems operate.
  
  
  By following these steps, you should be able to diagnose and resolve the issue related to the LTR2_BASIS020 error message.