Got error after installing vb4 need help

[nomoreturn]

Hello evry one i need help to fix database error i just install vb4 publish suit and got this error

PHP Code:

Database error in vBulletin 4.0.0 Beta 4:

Invalid SQL:

        SELECT user.avatarid, user.avatarrevision, avatarpath, NOT ISNULL(customavatar.userid) AS hascustom, customavatar.dateline,
            customavatar.width, customavatar.height, customavatar.width_thumb, customavatar.height_thumb
        FROM vb_user AS user
        LEFT JOIN vb_avatar AS avatar ON avatar.avatarid = user.avatarid
        LEFT JOIN vb_customavatar AS customavatar ON customavatar.userid = user.userid
        WHERE user.userid =;

MySQL Error   : You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 6
Error Number  : 1064
Request Date  : Wednesday, November 25th 2009 @ 09:10:12 PM
Error Date    : Wednesday, November 25th 2009 @ 09:10:12 PM
Script        : http://www.mastdunya.com/
Referrer      : 
IP Address    : **.**2.**.**
Username      : admin
Classname     : vB_Database
MySQL Version : 5.0.81-community-log 


[HMBeaty]

Please see this thread:

Installation Issues / Questions or bug reports regarding default vBulletin 4.0

[nomoreturn]

yeha i read that too my question is that before installation i have only forum upgraded vb4 forum and today i upgrade to vb4 publish suit so my question is i have to install blog and cms on some other directory or just simple upgrade it i think i just simple upgrade to vb4 publish so may be thats why i got this just want to make sure
blog link working
forum link working
whats new link working
only got this error when i clik on home link

Problem in CMS

[Lynne]

The questions you are wondering about are all questions about the default vbulletin software and should be asked over on vb.com