How To Fix TK823 - Internal error when passing existing lock keys with new syntax

SAP Error Message - Details

• Message type: E = Error

• Message class: TK - Transport Organizer

• Message number: 823

• Message text: Internal error when passing existing lock keys with new syntax

What causes this issue?

An error occurred when internally deleting obsolete lock key entries
(necessary to prevent lock keys that already exist with the new syntax
from being overwritten).
This is caused by internal problems that no longer occur the next time
the report is executed.

System Response

Execution of the report for adjusting the lock key table was
terminated.

How to fix this error?

No changes have yet been made to the lock key table at database level,
meaning that the report can be executed again without any problems.
If you are in an upgrade, repeat the current phase.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TK823 - Internal error when passing existing lock keys with new syntax ?

  The SAP error message TK823, which indicates an "Internal error when passing existing lock keys with new syntax," typically arises in the context of SAP's lock management system. This error can occur when there is an issue with how lock keys are being handled in the system, particularly when there is a mismatch between the expected and actual lock key formats or when there are inconsistencies in the lock management.
  Causes:
  
  Incompatibility with Lock Key Syntax: The error may occur if the system is trying to use a new syntax for lock keys that is not compatible with existing lock keys.
  Corrupted Lock Entries: There may be corrupted or inconsistent lock entries in the database that are causing the system to fail when trying to access or manage these locks.
  System Bugs: There could be bugs in the SAP kernel or specific modules that lead to this internal error.
  Configuration Issues: Incorrect configuration settings related to lock management can also lead to this error.
  
  Solutions:
  
  Check for SAP Notes: Look for relevant SAP Notes that address this specific error. SAP frequently releases patches and updates that may resolve known issues.
  System Update: Ensure that your SAP system is up to date with the latest support packages and patches. This can help resolve bugs that may be causing the error.
  Review Lock Management Configuration: Check the configuration settings related to lock management in your SAP system. Ensure that they are set correctly and are compatible with the current version of the system.
  Clear Locks: If you suspect that there are corrupted lock entries, you may need to clear the locks. This can be done using transaction codes like SM12 (to display and delete locks) or by using specific programs designed to clean up locks.
  Debugging: If you have access to development tools, you may want to debug the program or transaction that is causing the error to identify the root cause.
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. They can provide more specific guidance based on your system's configuration and logs.
  
  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.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can share their experiences and solutions.
  Documentation: Review SAP documentation related to lock management and error handling for more insights into how to manage and troubleshoot these types of errors.
  
  By following these steps, you should be able to identify and resolve the TK823 error in your SAP system.