How To Fix GT909 - Lock entry deleted

GT909 - Overview

• Message type: E = Error

• Message class: GT - Database utilities

• Message number: 909

• Message text: Lock entry deleted

What causes this issue?

If the conversion of a table is cancelled, a lock entry is written for
the table. This prevents another database operation being started
for the table until the old one has been completed correctly.
You have deleted an existing lock entry for the table. Please note that
if a database operation for the table is initiated, there is a danger
of data loss.

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?

No action necessary.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GT909 - Lock entry deleted ?

  The SAP error message GT909, which states "Lock entry deleted," typically occurs in the context of SAP's locking mechanism. This mechanism is used to prevent data inconsistencies by ensuring that multiple users or processes do not modify the same data simultaneously. When you encounter this error, it usually indicates that a lock entry that was expected to be present has been deleted or is no longer valid.
  Causes of GT909 Error
  
  
  Session Timeout: The lock entry may have been deleted due to a session timeout. If a user is inactive for a certain period, the system may automatically release the locks held by that session.
  
  
  Explicit Unlocking: Another user or process may have explicitly released the lock, either intentionally or due to an error.
  
  
  System Restart or Crash: If the SAP system experiences a restart or crash, it may lead to the loss of lock entries.
  
  
  Lock Table Overflow: If the lock table is full,