Database Error 90003 Eve-ng Access

EVE-NG relies on a local MySQL database to store everything: user credentials, lab topologies, node configurations, and permission settings. When the EVE-NG GUI (the web interface) cannot talk to the database backend, it throws this error.

repair table auth_behavior; repair table labs; repair table nodes; repair table users; exit; Finally, kill the safe mode process and restart normally: Database Error 90003 Eve-ng

First, stop the service:

It’s vague. It’s frustrating. And it usually brings your lab building session to a screeching halt. EVE-NG relies on a local MySQL database to

If nothing else works:

If you’ve spent any time building labs in EVE-NG, you know the feeling. You’re in the zone, dragging nodes onto the canvas, linking interfaces, and powering up routers. Suddenly, you hit a wall. It’s frustrating

Bookmark this guide. If you run EVE-NG long enough, you will see this error again. When you do, just SSH in, restart MySQL, and get back to learning.