Forum DB eror help pls.

[محروم.كوم]

Database error in vBulletin 4.0.0 Alpha 6:
Invalid SQL:
INSERT INTO notice
(title, displayorder, persistent, active, dismissible)

VALUES ('default_guest_message', 10, 1, 1, 1
);
MySQL Error : Duplicate entry '0' for key 1
Error Number : 1062
Request Date : Tuesday, March 2nd 2010 @ 06:29:30 PM
Error Date : Tuesday, March 2nd 2010 @ 06:29:30 PM
Script : http://www.ihvanforum.org/install/up...0b1.php?step=2
Referrer : http://www.ihvanforum.org/install/up...0b1.php?step=1
IP Address : 94.122.134.109
Username :
Classname : vB_Database
MySQL Version : 5.0.67-community __DEFINE_LIKE_SHARE__