is somebody trying to hack my account plz check

[ammoskumar]

what is this i go this error email when i follow the link somebody was trying to activate my admin account.......

what is this ?? somebody is trying to hack my site??

Database error in vBulletin 3.7.1:

Invalid SQL:
INSERT INTO userlist (userid, relationid, type, friend) VALUES (, 7, 'buddy', 'yes');

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 ' 7, 'buddy', 'yes')' at line 1
Error Number : 1064
Request Date : Thursday, May 29th 2008 @ 05:10:43 AM
Error Date : Thursday, May 29th 2008 @ 05:10:43 AM
Script : http://mydoamin.com/register.php?a=act&u=46&i=24370216
Referrer : http://by136w.bay136.mail.live.com/m...9b&n=156213539
IP Address : 59.93.102.128
Username : Unregistered
Classname : vB_Database
MySQL Version :

[Dismounted]

They were trying to activate their account....It seemed like they were activating your account because you were logged into it....

Try disabling your modifications.