If a large query was just killed, it may be rolling back. Wait a few minutes Stack Overflow .
Did this happen ? I can then provide the exact commands for your scenario. Failed To Query Lock Null Status
Here are the most common solutions based on similar "stuck lock" scenarios: 1. Database/Liquibase Lock Issue If a large query was just killed, it may be rolling back
Locate the file usually named index.lock or DAVLock and delete it. Failed To Query Lock Null Status
the provided "release lock" script or command (e.g., .\runcommand.bat LockManager releaseLock update_lock ) Stack Overflow. Restart the service. 4. General Troubleshooting
If this happens in a development environment (Git, WebDAV) or application using local files Stack Overflow :