XF 1.5 "An unexpected database error occurred. Please try again later."

[BadNode]

I'm not truly familiar or adept in working with XenForo, but I can use the ACP. I'm just learning as I go along when it comes to actually doing stuff in cPanel.\

Yesterday, I was working on User Upgrades. I finished, and refreshed the page. I was presented with this, and can't go to my forum.

Is there any fix?

- Yes, I'm using a legitimate copy of XenForo.
- No, I'm not using any nulled addons or themes.
- This happened randomly and there were no issues before.

 

[Paul B]

Right click, view the page source for more details.

 

[BadNode]

Right click, view the page source for more details.

What exactly what I be looking for?

 

[oO5 Dynasty]

Right click, view the page source for more details.

Just got the same issue today and when i right clicked and viewed the page source this is what i got.
An unexpected database error occurred. Please try again later.<!-- Mysqli statement execute error : Prepared statement needs to be re-prepared -->

 

[Kester Hynds]

Right click, view the page source for more details.

Well I never!!! I had no idea there were hidden error messages. Helped me target the problem!

Thank you.