Database error in vBulletin 3.8.0:

Invalid SQL:
SELECT *,
IF(displaygroupid=0, usergroupid, displaygroupid) AS displaygroupid
FROM user WHERE usergroupid = '2' ORDER BY RAND() LIMIT 1.0E+33;

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 '1.0E+33' at line 3
Error Number : 1064
Request Date : Sunday, May 10th 2009 @ 01:04:29 AM
Error Date : Sunday, May 10th 2009 @ 01:04:29 AM
Script : http://www.ebayturka.com/
Referrer : ebayturka - Google'da Ara
IP Address : 85.99.144.142
Username : akifokur
Classname : vB_Database
MySQL Version : 5.0.67-community