MySQL server has gone away

[Mutt]

I keep getting several errors like this each day.

MySQL Error : MySQL server has gone away
Error Number : 2006
Request Date : Wednesday, July 8th 2009 @ 06:21:43 PM
Error Date : Wednesday, July 8th 2009 @ 06:22:19 PM
Script : http://www.sternfannetwork.com/forum/newreply.php?do=postreply&t=455952
Username : MacLenn
Classname : vB_Database_MySQLi

what setting should I be adjusting?

thanks

[Dismounted]

<a href="http://www.vbulletin.com/docs/html/troubleshoot_mysql_goneaway" target="_blank">Lost connection to MySQL server during query </a>

[Mutt]

thank you