I moved my old Metal Gear website over to a new domain, still on old database. And I hadn't realized the version number, so looks like I have to start upgrading nao.
Yikes.
EDIT: AHHH! I forgot to edit domain in freakin' Customer Area!
Run repair table using phpMyAdmin. It tells you in that image that the table has crashed and should be repaired. So I'm just pointing out the obvious really.