Error Message entitled VBulletin Database Error!

[Whiteknite]

I am getting database errors too. It looks like every time someone posts something.
The message I get in an e mail looks like this:

Database error in vBulletin 4.0.8:

Invalid SQL:

SELECT value, varname, datatype, optioncode
FROM setting
WHERE varname IN ('fc_users_update_time')
ORDER BY varname;

MySQL Error : MySQL server has gone away
Error Number : 2006
Request Date : Thursday, December 23rd 2010 @ 01:33:17 PM
Error Date : Thursday, December 23rd 2010 @ 01:34:17 PM
Script : http://www.truchristianchat.net/foru...hp?t=user_list
Referrer : http://www.truchristianchat.net/forum/forum.php
IP Address : ---------------
Username : xxxxxxxxxx
Classname : vB_Database
MySQL Version :

These just started a few days ago. When my chat room was fixed. And I delibrately deleted out the user name and IP address when I posted this.