How To Fix TK696 - Invalid structure of object request locks (system error)

SAP Error Message - Details

• Message type: E = Error

• Message class: TK - Transport Organizer

• Message number: 696

• Message text: Invalid structure of object request locks (system error)

What causes this issue?

The structure of the request locks for the object are invalid. A system
error has occurred. Either incorrect parameters were used to call the
function or the structure of the locks is inconsistent.
lower lock &V1&
upper lock &V2&

System Response

The function was cancelled.

How to fix this error?

Repeat the function with a valid entry.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TK696 - Invalid structure of object request locks (system error) ?

  The SAP error message TK696, which indicates "Invalid structure of object request locks (system error)," typically arises when there is an issue with the lock management in the SAP system. This error can occur due to various reasons, including inconsistencies in the lock table, issues with the database, or problems with the application logic.
  Causes:
  
  Corrupted Lock Table: The lock table may have become corrupted, leading to inconsistencies in the lock management.
  Database Issues: Problems with the underlying database, such as corruption or misconfiguration, can lead to this error.
  Application Bugs: There may be bugs in the application code that improperly handle locks.
  System Resource Issues: Insufficient system resources (memory, CPU) can lead to unexpected behavior in lock management.
  Transport Issues: If there were recent transports that included changes to locking mechanisms, they might not have been applied correctly.
  
  Solutions:
  
  Check System Logs: Review the system logs (transaction SM21) for any related errors or warnings that could provide more context about the issue.
  Restart the Application Server: Sometimes, simply restarting the affected application server can resolve temporary inconsistencies.
  Clear Lock Entries: Use transaction SM12 to check for and delete any orphaned or unnecessary lock entries. Be cautious when doing this, as it may affect users currently working in the system.
  Database Consistency Check: Perform a consistency check on the database to identify and resolve any underlying issues.
  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.
  System Update: Ensure that your SAP system is up to date with the latest support packages and patches, as these may contain fixes for known issues.
  Contact SAP Support: If the issue persists, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including any logs and the steps leading up to the error.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (for lock entries), SM21 (for system logs), and ST22 (for dumps).
  Monitoring Tools: Use monitoring tools like SAP Solution Manager to keep track of system health and performance.
  Documentation: Review SAP documentation and community forums for additional insights and user experiences related to this error.
  
  By following these steps, you should be able to diagnose and potentially resolve the TK696 error in your SAP system.