If this happens in a development environment (Git, WebDAV) or application using local files Stack Overflow :

Did this happen ? I can then provide the exact commands for your scenario.

Locate the file usually named index.lock or DAVLock and delete it.

the provided "release lock" script or command (e.g., .\runcommand.bat LockManager releaseLock update_lock ) Stack Overflow. Restart the service. 4. General Troubleshooting

Here are the most common solutions based on similar "stuck lock" scenarios: 1. Database/Liquibase Lock Issue

Based on common technical issues, the error "Failed To Query Lock Null Status" often refers to a situation where a database or system process (like Liquibase or Markvision) cannot determine if a resource is locked because the lock entry itself is missing, corrupt, or improper. This is frequently caused by a previous process being terminated prematurely.