SQL Hatası

Database error in vBulletin 3.6.9:

Invalid SQL:

## GET LATEST THREADS ##
SELECT thread.*,thread.iconid AS threadiconid , post.pagetext AS preview
FROM thread AS thread
LEFT JOIN deletionlog AS deletionlog ON(thread.threadid = deletionlog.primaryid AND type = 'thread')
LEFT JOIN post AS post ON(post.postid = thread.firstpostid)
WHERE open <> 10
AND forumid NOT IN (0)
AND thread.visible = '1'
AND deletionlog.primaryid IS NULL
ORDER BY lastpost
DESC LIMIT 10;

MySQL Error : Table 'thread' is marked as crashed and last (automatic?) repair failed
Error Number : 1195
Date : Tuesday, April 15th 2008 @ 03:14:06 PM
Script :
Referrer :

Classname : vB_Database