User Registration Issue
 

I have a user that is trying to register on the forum but, is getting an error when he tries...

Here is an error I get on the back-end...
Code:
Invalid SQL:

SELECT activationid, usergroupid, emailchange
FROM useractivation
WHERE activationid = '028c603c74a3339ecf12d1ed04d5263724a0a9f0'
AND userid =
AND type = 0;

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 'AND type = 0' at line 5
Error Number : 1064
Request Date : Sunday, June 7th 2009 @ 09:26:29 PM
Error Date : Sunday, June 7th 2009 @ 09:26:29 PM
Script : http://www.garagekits.us/forums/regi...d5263724a0a9f0
Referrer :
IP Address : 68.197.34.53
Username : Unregistered
Classname : vB_Database
MySQL Version :