How To Fix 56579 - Error while locking personnel number & after the Commit Work

SAP Error Message - Details

• Message type: E = Error

• Message class: 56 - HR TRAVEL: Messages for Trip Costs Dialog

• Message number: 579

• Message text: Error while locking personnel number & after the Commit Work

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 56579 - Error while locking personnel number & after the Commit Work ?

  The SAP error message 56579, which states "Error while locking personnel number," typically occurs when there is an issue with the locking mechanism in the SAP system related to personnel numbers. This error can arise in various scenarios, such as during data updates or when multiple users are trying to access or modify the same personnel record simultaneously.
  Causes:
  
  Concurrent Access: Multiple users or processes are trying to access or modify the same personnel number at the same time, leading to a locking conflict.
  Database Lock Issues: There may be issues with the database locks that prevent the system from locking the personnel number properly.
  Transaction Errors: Errors in the transaction logic or in the program that is trying to lock the personnel number can lead to this error.
  System Performance Issues: High system load or performance issues can cause delays in locking mechanisms, leading to timeouts or failures.
  
  Solutions:
  
  Retry the Operation: If the error is due to concurrent access, waiting for a moment and then retrying the operation may resolve the issue.
  Check for Active Sessions: Use transaction codes like SM12 (to check for locks) to see if there are any active sessions holding locks on the personnel number. If necessary, you can release the locks if they are no longer needed.
  Review Custom Code: If the error occurs in a custom program or enhancement, review the code to ensure that it properly handles locking and unlocking of personnel numbers.
  System Performance Monitoring: Monitor system performance and check for any bottlenecks that may be causing delays in locking mechanisms. Address any performance issues as needed.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches or updates that could resolve the issue.
  Contact SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (to view and manage locks), SM21 (to check system logs), and ST22 (to analyze dumps) for troubleshooting.
  Lock Management: Understanding how SAP handles locks (both exclusive and shared locks) can help in diagnosing and resolving locking issues.
  Performance Tuning: Regularly monitor and tune the performance of your SAP system to minimize locking issues caused by high load or resource contention.
  
  By following these steps, you should be able to diagnose and resolve the SAP error message 56579 effectively.