Please help! SQL Error. Forum Down!

[Sea Shepherd]

Hi All,

Our forum Suddenly went down and displays this error:

Please help! Any Ideas?

EDIT: Home Page opens but every forum and link displays a SQL error...

__________________________________________________ _____
Database error in vBulletin 4.0.3:

Invalid SQL:

SELECT
IF(votenum >= 1, votenum, 0) AS votenum,
IF(votenum >= 1 AND votenum > 0, votetotal / votenum, 0) AS voteavg,
post.pagetext AS preview,
thread.threadid, thread.title AS threadtitle, thread.forumid, pollid, open, postusername, postuserid, thread.iconid AS threadiconid,
thread.dateline, notes, thread.visible, sticky, votetotal, thread.attach, thread.lastpost, thread.lastposter, thread.lastposterid, thread.lastpostid, thread.replycount, IF(thread.views<=thread.replycount, thread.replycount+1, thread.views) AS views,
thread.prefixid, thread.taglist, hiddencount, deletedcount,
user.usergroupid, user.homepage, user.options AS useroptions, IF(userlist.friend = 'yes', 1, 0) AS isfriend
, NOT ISNULL(subscribethread.subscribethreadid) AS issubscribed
, deletionlog.userid AS del_userid, deletionlog.username AS del_username, deletionlog.reason AS del_reason

, threadredirect.expires

FROM vb_thread AS thread
LEFT JOIN vb_user AS user ON (user.userid = thread.lastposterid)
LEFT JOIN vb_userlist AS userlist ON (userlist.relationid = user.userid AND userlist.type = 'buddy' AND userlist.userid = 1)
LEFT JOIN vb_deletionlog AS deletionlog ON(thread.threadid = deletionlog.primaryid AND deletionlog.type = 'thread')
LEFT JOIN vb_subscribethread AS subscribethread ON(subscribethread.threadid = thread.threadid AND subscribethread.userid = 1 AND canview = 1)

LEFT JOIN vb_post AS post ON(post.postid = thread.firstpostid)

LEFT JOIN vb_threadredirect AS threadredirect ON(thread.open = 10 AND thread.threadid = threadredirect.threadid)

WHERE thread.threadid IN (0,10702,10781,10796,10680,10618,10605,10576,7972, 10403,10330,9761,9532,8448,8694,9506,9508,9507,934 6,9332,8643,9505,14)
ORDER BY sticky DESC, lastpost DESC;

MySQL Error : Incorrect key file for table './og_forum/vb_post.MYI'; try to repair it
Error Number : 126
Request Date : Thursday, August 12th 2010 @ 11:56:54 AM
Error Date : Thursday, August 12th 2010 @ 11:56:55 AM
Script : http://www.oceanguardians.org/forum/...php?20-Welcome
Referrer : http://www.oceanguardians.org/forum/forum.php
IP Address : 203.***********
Username : *****
Classname : vB_Database
MySQL Version : 5.0.32-Debian_7etch10-log

--------------- Added [DATE]1281579338[/DATE] at [TIME]1281579338[/TIME] ---------------

Hmmm.
Seems to be fixed.

Getting random SQL Errors.

I repaired all the tables and reset counters.
Deactivated the less important addons and now updating to latest V.

Seems to have fixed it.

Will wait and see.