How To Fix GT916 - Lock entry for & does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: GT - Database utilities

• Message number: 916

• Message text: Lock entry for & does not exist

What causes this issue?

When a conversion is cancelled a lock entry for the table is written to
table TCNV. This prevents a new database operation for this table being
started until the cancelled action is correctly completed.
You wanted to delete this lock entry. However, the corresponding lock
entry no longer existed.

System Response

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

How to fix this error?

Check whether another user deleted the lock entry from table TCNV.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GT916 - Lock entry for & does not exist ?

  The SAP error message GT916 ("Lock entry for & does not exist") typically occurs when a user attempts to access or modify a resource that is not currently locked in the system. This can happen in various scenarios, such as when trying to edit a document, transaction, or data record that is expected to be locked for editing by a user or process.
  Cause:
  
  No Lock Entry: The specific object or resource you are trying to access does not have an active lock entry. This can happen if the lock was never created or if it was released prematurely.
  Session Timeout: The lock may have been released due to a session timeout or if the user who held the lock has logged out or closed their session.
  System Errors: There may be underlying system issues or inconsistencies that prevent the lock from being created or recognized.
  Incorrect Object Reference: The object you are trying to access may not exist or may have been deleted.
  
  Solution:
  
  Check Lock Entries: Use transaction code SM12 to check for existing lock entries. You can search for locks related to the specific object or user.
  Recreate the Lock: If you find that the lock does not exist, try to recreate it by reinitiating the action that requires the lock.
  Session Management: Ensure that your session is active and that you are not logged out. If you suspect a timeout, try logging back in and performing the action again.
  Review Object Existence: Verify that the object you are trying to access still exists and is valid.
  Consult Logs: Check system logs for any errors or warnings that might indicate why the lock entry is missing.
  Contact Support: If the issue persists, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (for lock entries), SM21 (for system logs), and ST22 (for dumps) to troubleshoot further.
  SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  User Permissions: Ensure that the user has the necessary permissions to create or access locks on the object in question.
  
  By following these steps, you should be able to diagnose and resolve the GT916 error in SAP.