[hotwheels]

I just installed and for the most part it is working right, i am having a couple issue's here:
Find a customer
Find a seller
Your Options

All give me this error:

Database error in vBulletin 3.5.2:

Invalid SQL:
SELECT itrader_buy, itrader_sell, userid
FROM vb3user
WHERE 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 3
Error Number : 1064
Date : Wednesday, February 15th 2006 @ 06:55:31 PM
Script : http://www.insanemustangs.com/forums...php?do=options
Referrer : http://www.insanemustangs.com/forums....php?do=search
IP Address : #######
Username : #######
Classname : vb_database