MySQL database is having problems???

[BG__]

My Invision power message board is not working.... Why? :(

This is what I am getting...
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There appears to be an error with the Welcome to the USAC Fans Message Board database.
You can try to refresh the page by clicking here, if this does not fix the error, you can contact the board administrator by clicking here

Error Returned
mySQL query error: DELETE FROM ibf_sessions WHERE running_time < 1079040346 or member_id='1'

mySQL error: Can't open file: 'ibf_sessions.MYI'. (errno: 145)
mySQL error code: 1016
Date: Thursday 11th of March 2004 02:25:46 PM
We apologise for any inconvenience
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My MySQL database is hosted on this server mysql01.powweb.com

My message board address is http://www.usacfans.com/messageboard/index.php

I don't know if this problem is on the Powweb side, or if it is something wrong with the message board? I did no modifications.... went to the website this morning and I was getting this error.... I just came home from work and found the same problem... Need some help please?

Thanks in advance...

[Pig]

Your table is probably corrupt. Use the repair option in phpmyadmin.