How To Fix TU559 - Could not set lock. Processing for &1 &2 cancelled.

SAP Error Message - Details

• Message type: E = Error

• Message class: TU - Billing/Scheduling/Budget Billing

• Message number: 559

• Message text: Could not set lock. Processing for &1 &2 cancelled.

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 TU559 - Could not set lock. Processing for &1 &2 cancelled. ?

  The SAP error message TU559, which states "Could not set lock. Processing for &1 &2 cancelled," typically occurs when there is an issue with locking mechanisms in the SAP system. This error can arise in various contexts, such as during the processing of transactions, updates, or data entries.
  Causes:
  
  
  Lock Conflicts: The most common cause of this error is that another user or process is holding a lock on the object you are trying to access. SAP uses locks to prevent data inconsistencies when multiple users are trying to modify the same data simultaneously.
  
  
  System Performance Issues: If the system is under heavy load or experiencing performance issues, it may fail to set locks properly.
  
  
  Database Issues: Problems with the underlying database, such as deadlocks or other locking issues, can also lead to this error.
  
  
  Configuration Issues: Incorrect configuration of the locking mechanism or related settings in the SAP system can lead to this error.
  
  
  Solutions:
  
  
  Check Lock Entries: Use transaction code SM12 to check for existing lock entries. You can identify if another user or process is holding a lock on the object you are trying to access. If necessary, you can delete the lock entries (with caution) if they are stale or no longer needed.
  
  
  Wait and Retry: If the lock is held by another user, you may need to wait until they complete their transaction and release the lock. You can retry the operation after some time.
  
  
  System Performance Monitoring: Monitor the system performance using transaction codes like SM37 (for job monitoring) and ST22 (for dumps) to identify any performance bottlenecks that might be causing the issue.
  
  
  Database Check: If you suspect database issues, work with your database administrator to check for deadlocks or other locking problems at the database level.
  
  
  Review Configuration: Ensure that the locking configuration in your SAP system is set up correctly. Consult with your SAP Basis team if you suspect configuration issues.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (for lock entries), SM21 (for system logs), and ST22 (for dumps) to help diagnose the issue.
  User Communication: If the issue is due to another user holding a lock, communicate with them to understand their actions and coordinate accordingly.
  SAP Support: If the problem persists and you cannot resolve it, consider reaching out to SAP Support for further assistance.
  
  By following these steps, you should be able to diagnose and resolve the TU559 error in your SAP system.