Example here https://github.com/certbot/certbot/issues/5817
Got the same error, never got it before, using similar basic setups. Seems very common - Does anyone have any insight in how to get around or what to check?
The last NodeBB version worked fine? Which exact versions are you talking about?
Have you looked for errors client or server side?
To answer @PitaJ Currently running NodeBBv1.13.1.
The new user modal is fixed in
Node.js based forum software built for the modern web - fix: create user modal instantly closing · NodeBB/[email protected]