Technical problems with the forum vbulletin 3.7.4 pl1

[nany37]

Hello! we install for the first time vbulletin 3.7.4 pl1, we have the forum closed and we didnt do any modification and yesterday when we tried to go to the url of the forum an error appears, someone can help us and say how to solve this problem. thanks!

Database error in vBulletin 3.6.8:

Invalid SQL:

SELECT forum.forumid, lastpost, lastposter, lastthread, lastthreadid, lasticonid, threadcount, replycount, lastpostid, lastprefixid

FROM forum AS forum;

MySQL Error : Unknown column 'lastprefixid' in 'field list'
Error Number : 1054
Request Date : Thursday, November 27th 2008 @ 01:04:21 AM
Error Date : Thursday, November 27th 2008 @ 01:04:22 AM
Script : http://atormentadas.net/index.php
Referrer :
IP Address : ***.***.***.***
Username : admin
Classname : vb_database
MySQL Version : 5.0.24a-log