How To Fix BT759 - Error occurred in the central lock mechanism (ID=&1, type=&2)

SAP Error Message - Details

• Message type: E = Error

• Message class: BT - Background processing messages

• Message number: 759

• Message text: Error occurred in the central lock mechanism (ID=&1, type=&2)

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 BT759 - Error occurred in the central lock mechanism (ID=&1, type=&2) ?

  The SAP error message BT759 indicates that there is an issue with the central lock mechanism in the SAP system. This error typically occurs when there is a problem with the locking of business objects, which can lead to inconsistencies or conflicts when multiple users or processes attempt to access or modify the same data simultaneously.
  Cause:
  
  Lock Conflicts: The error may arise due to conflicts in locking mechanisms, where one transaction is trying to access a resource that is already locked by another transaction.
  Database Issues: Problems with the database, such as deadlocks or timeouts, can also trigger this error.
  System Performance: High system load or performance issues can lead to delays in lock acquisition, causing the central lock mechanism to fail.
  Configuration Issues: Incorrect configuration of the locking mechanism or related settings in the SAP system can lead to this error.
  
  Solution:
  
  Identify Lock Entries: Use transaction code SM12 to check for existing lock entries. You can identify if there are any locks that are causing the conflict and take appropriate action (e.g., delete unnecessary locks).
  Analyze the Lock Situation: Use transaction code SM21 to check the system log for any related errors or warnings that might provide more context about the issue.
  Check for Long-Running Transactions: Identify any long-running transactions that may be holding locks for an extended period. You can use transaction code SM66 to monitor active processes.
  Restart the Application: If the issue persists, consider restarting the application or the relevant services to clear any stale locks.
  Database Performance: Ensure that the database is performing optimally. Check for any locks or deadlocks at the database level and resolve them.
  System Configuration: Review the configuration settings related to the central lock mechanism and ensure they are set correctly.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the BT759 error. SAP frequently updates its knowledge base with solutions for specific error messages.
  Documentation: Review the SAP documentation for the central lock mechanism to understand how it works and best practices for managing locks.
  Support: If the issue cannot be resolved internally, consider reaching out to SAP support for assistance, providing them with detailed information about the error and the steps taken to troubleshoot it.
  
  By following these steps, you should be able to diagnose and resolve the BT759 error in your SAP system.