How To Fix TK829 - Contents of lock key table at start of adjustment:

SAP Error Message - Details

• Message type: E = Error

• Message class: TK - Transport Organizer

• Message number: 829

• Message text: Contents of lock key table at start of adjustment:

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

<ZH>Note:</>
You can display the initial contents of the lock key table by
increasing the expansion level in the log display.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TK829 - Contents of lock key table at start of adjustment: ?

  The SAP error message TK829, which states "Contents of lock key table at start of adjustment," typically occurs during the execution of a transaction that involves adjustments, such as during the execution of a batch input session or when processing data in a background job. This error indicates that there is an issue with the lock key table, which is used by SAP to manage concurrent access to data.
  Cause:
  
  Lock Conflicts: The error may arise due to lock conflicts where multiple processes are trying to access the same data simultaneously.
  Inconsistent Data: If the lock key table has inconsistent or corrupted entries, it can lead to this error.
  System Performance Issues: High system load or performance issues can also lead to problems with the lock key table.
  Database Issues: Problems with the underlying database, such as deadlocks or transaction rollbacks, can cause this error.
  
  Solution:
  
  Check Lock Entries: Use transaction code SM12 to check for existing lock entries. If there are unnecessary locks, you can delete them, but be cautious as this may affect other users.
  Review Background Jobs: If the error occurs during a background job, check the job logs for any additional error messages that may provide more context.
  System Performance: Monitor system performance and ensure that there are no bottlenecks. You may need to optimize database performance or increase system resources.
  Database Consistency Check: Run database consistency checks to ensure that there are no underlying issues with the database that could be causing the error.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve the issue.
  Restart the Process: Sometimes, simply restarting the process or transaction can resolve temporary issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (for lock entries), SM21 (for system logs), and ST22 (for dump analysis).
  SAP Support: If the issue persists, consider reaching out to SAP Support for further assistance, providing them with detailed logs and error messages.
  Documentation: Review SAP documentation related to the specific module or process you are working with, as there may be additional troubleshooting steps or considerations.
  
  By following these steps, you should be able to diagnose and resolve the TK829 error in your SAP system.