I just got this error today too.
I'm on server20.
This is the second time this has happened. I'm at work and can't get into my cPanel from here, but I'll be able to repair my database when I get home.
But I don't want to have to keep repairing the tables every time this happens.
My post back on June 17 was made here (but I just repaired the table then):
According to InvisionBoard, CPanel and MySQL 4 have issues. CPanel did release a patch to fix this. Could you guys do the fix for server20 too, please?
Not that TotalChoice needs this, but for anyone else interested in this problem, I found some info on this whole thing:
According to the second post at the CPanel forums, a simple rebuild of Apache doesn't fix the problem. Apparently, the instructions in post at the vBulletin forums is what is needed to be done to fix this error properly.
Info from IBF:
Info from CPanel (if you're registered there):
Here's some other info I found: