[StreetTriple]

i've installed the last version 0.52 but i've this sql error (i've receive a mail):

Database error in vBulletin 3.6.8:

Invalid SQL:

			UPDATE forum_vbuser 
			SET casino_cash = 
			WHERE usergroupid IN (6);

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 'WHERE usergroupid IN (6)' at line 3 Error Number : 1064
Date         : Tuesday, October 30th 2007 @ 03:45:16 PM
Script       : http://www.xxxxxxx.xxxxx/admincp/casino_settings.php?massadj=1&usergroups=6&amount=&submit=Adjust+Cash
Referrer     : http://www.xxxxxxx.xxxx/admincp/casino_settings.php
IP Address   : 79.x.37.xxx
Username     : xxxxxxxxx
Classname    : vb_database

this error is present also in "Mass Cash Adjustments " option...
how i can resolve it?