How To Fix 0Q023 - Error when locking &1 &2 &3

SAP Error Message - Details

• Message type: E = Error

• Message class: 0Q - Microsoft SQL Server Porting

• Message number: 023

• Message text: Error when locking &1 &2 &3

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 0Q023 - Error when locking &1 &2 &3 ?

  The SAP error message 0Q023 typically indicates an issue related to locking objects in the SAP system. This error occurs when a process attempts to lock a particular object (like a document, record, or transaction) that is already locked by another process. The message format usually includes placeholders for the object type and identifiers, which are represented by &1, &2, and &3.
  Cause:
  
  Concurrent Access: The most common cause of this error is that multiple users or processes are trying to access or modify the same object simultaneously.
  Long-Running Transactions: If a transaction takes too long to complete, it may hold a lock on an object longer than expected, causing other transactions to fail with this error.
  Deadlocks: In some cases, a deadlock situation may arise where two or more processes are waiting for each other to release locks.
  System Configuration: Incorrect configuration of lock parameters or settings in the SAP system can also lead to locking issues.
  
  Solution:
  
  Identify the Lock: Use transaction code SM12 to view the list of locks in the system. You can check which user or process is holding the lock on the object in question.
  Release the Lock: If you identify a lock that is no longer needed, you can manually delete it from the SM12 transaction. However, be cautious when doing this, as it may disrupt the user or process holding the lock.
  Check for Long-Running Transactions: Investigate any long-running transactions that may be holding locks for an extended period. If possible, optimize these transactions or inform users to complete them promptly.
  Review System Configuration: Ensure that the locking mechanism and parameters are correctly configured in the SAP system. Consult with your SAP Basis team if necessary.
  Implement Retry Logic: If the error occurs frequently due to concurrent access, consider implementing retry logic in your application to handle temporary locking issues gracefully.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: Display and manage locks.
  SM21: Check system logs for any related errors or warnings.
  ST22: Analyze dumps that may provide insights into the issue.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to locking mechanisms.
  Performance Monitoring: Use transaction ST03N to monitor system performance and identify any bottlenecks that may lead to locking issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.