Database error in vbulletin v.3.7

[geevest.com]

i get some email warning message :

Database error in vBulletin 3.7.0:

Invalid SQL:

INSERT INTO referrers
(url, count, title)
VALUES
('google.co.id%2Fsearch%3Fhl%3Did%26amp%3Bclient%3 Dfirefox-a%26amp%3Brls%3Dorg.mozilla%3Aen-US%3Aofficial%26amp%3Bhs%3Dcnq%26amp%3Bsa%3DX%26am p%3Boi%3Dspell%26amp%3Bresnum%3D0%26amp%3Bct%3Dres ult%26amp%3Bcd%3D1%26amp%3Bq%3Dmenghilangkan%2Bjer awat%2Bdan%2Bbekasnya%26amp%3Bspell%3D1', 1, 'Google');

MySQL Error : Duplicate entry '%s' for key 1
Error Number : 1062
Request Date : Saturday, May 3rd 2008 @ 07:47:12 AM
Error Date : Saturday, May 3rd 2008 @ 07:47:13 AM
Script : http://anakayam.us/forum/etc-product...guarantee.html
Referrer : http://www.google.co.id/search?hl=id...kasnya&spell=1
IP Address : 125.161.111.112
Username : Unregistered
Classname : vB_Database
MySQL Version :

how ti fixed this,before im using vb.3.6.8 im not found any error message.
but now for vb.3.7 i get some error database.