usercss table crashed, how to delete/recreate?

[djsteve007]

I am anxious to upgrade to the 4.x branch, but during the backup process (of my 3.x) - I am getting database errors. Tried repairing in several different ways, including my host attempting - but it fails....

[nevf]

I have just upgraded my server from MySQL V4.x to V5.1 and am getting various MySQL errors such as shown below. I have backups from before and after the MySQL upgrade.

Can you give me...