Database error in vBulletin 3.7.2

[xmutan]

Database error in vBulletin 3.7.2:

Invalid SQL:

                                        UPDATE vb_session
                                        SET lastactivity = 1219119670, location = '/attachment.php?attachmentid=9765&d=1213767202', incalendar = 0, badlocation = 0
                                        WHERE sessionhash = 'ca11050308e27ebc067cd34088974d4b';

MySQL Error   : MySQL server has gone away
Error Number  : 2006
Request Date  : Tuesday, August 19th 2008 @ 11:21:10 AM
Error Date    : Tuesday, August 19th 2008 @ 11:21:27 AM
Script        : [URL]http://www.modifikasi.com/attachment.php?attachmentid=9765&d=1213767202[/URL]
Referrer      : [URL]http://www.modifikasi.com/showthread.php?t=43862[/URL]
IP Address    : [URL="http://219.83.20.69/"]219.83.20.69[/URL]
Username      : adiwib
Classname     : vB_Database
MySQL Version :

This happened after i upgrade my server to apache 2, php 5.2.5, mysql 5.0.19

how to solve this?

[Steve Machol]

This is a server issue. You'll need to contact your host about this. Here are the reasons for the MySQL server going away:

http://www.vbulletin.com/forum/showthread.php?s=&postid=310265#post310265

Also from the MySQL site:

http://dev.mysql.com/doc/refman/5.0/en/gone-away.html