Database Error When creating thread

[WrzAddiction]

Can any1 help me solve this DB error i get whenever i create a thread

Database error in vBulletin 3.8.6:

Invalid SQL:

                INSERT INTO postlog
                (postid, useragent, ip, dateline)
                VALUES
                (3477, 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.13) Gecko/20101203 AlexaToolbar/alxf-2.01 Firefox/3.6.13', 2997002286, 1292083199);

MySQL Error   : Duplicate entry '3477' for key 1
Error Number  : 1062
Script        : http://www.wrzaddiction.com/newthread.php?do=postthread&f=39
Referrer      : http://www.wrzaddiction.com/newthread.php?do=newthread&f=39
Classname     : vB_Database
MySQL Version : 5.0.91-community

WrzAddiction Reviewed by WrzAddiction on 11th Dec 2010. Database Error When creating thread Can any1 help me solve this DB error i get whenever i create a thread Database error in vBulletin 3.8.6: Invalid SQL: INSERT INTO postlog (postid, useragent, ip, dateline) VALUES (3477, 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.13) Gecko/20101203 AlexaToolbar/alxf-2.01 Firefox/3.6.13', 2997002286, 1292083199); Rating: 5