Non stop mails of Vbulletin error, but forum runs fine.

[محروم.كوم]

From last 3-4 days i am getting non stop mails of vbulletin error. But the forum actually is running fine and there never was a problem.
So what is this error related to ? How do i rectify this ?

Quote:
Database error in vBulletin 3.8.4:

Invalid SQL:

INSERT INTO lgv SET
ipaddress = '68.33.143.50',
firstaccess = 1264885329,
views = views + 1,
lastactivity = 1264885329;


MySQL Error : Duplicate entry '65535' for key 'PRIMARY'
Error Number : 1062
Request Date : Saturday, January 30th 2010 @ 0209 PM
Error Date : Saturday, January 30th 2010 @ 0209 PM
Script : edit
Referrer : edit
IP Address : 68.33.143.50
Username : Unregistered
Classname : vB_Database
MySQL Version : __DEFINE_LIKE_SHARE__