Help with database error
 

I have been suffering with database errors for the past few days* when it happens it makes the server unresponsive* I ran an optimize/repair tables and got the following* my tech guy is away can anyone help me resolve the problems?

forumpostedithistoryCheckError: Corrupt

forumpostedithistoryCheckError: Wrong bytesec: 109-109-101 at linkstart: 12792784

forumpostCheckError: Key in wrong position at page 76473344forumpostCheckError: Corrupt