vBulletin database error>>for folder not exist

[josef]

I got this email as database error

Database error in vBulletin 3.8.4:

Invalid SQL:

SELECT
attachment.attachmentid,
attachment.userid,
post.postid,
post.threadid,
post.dateline AS post_dateline,
post.userid AS post_userid,
thread.forumid,
editlog.hashistory
FROM attachment AS attachment
LEFT JOIN post AS post ON (post.postid = attachment.postid)
LEFT JOIN thread AS thread ON (thread.threadid = post.threadid)
LEFT JOIN editlog AS editlog ON (editlog.postid = post.postid)
WHERE attachment.postid = 0 AND attachment.dateline < 1294768973;

MySQL Error : Unknown column 'attachment.postid' in 'where clause'
Error Number : 1054
Request Date : Tuesday, January 11th 2011 @ 07:02:53 PM
Error Date : Tuesday, January 11th 2011 @ 07:03:33 PM
Script : http://localhost/vb/cron.php?rand=1294772572
Referrer : http://localhost/vb/index.php
IP Address : 127.0.0.1
Username : guest
Classname : vB_Database
MySQL Version :

the strange that i don't have vb folder
http://mysite/vb/index.php


what i have is forum folder
http://localhost/forum/index.php


any idea what is wrong ????