cant view whos online as admin after moving to a new host
 

Every time I try to view whos online as an admin I get

Code:
Database error in vBulletin 3.8.4:

Invalid SQL:

SELECT threadid* postid
FROM post
WHERE postid IN (0*24588*17648*9363*24594*3013);

MySQL Error : MySQL server has gone away
Error Number : 2006
Request Date : Sunday* December 27th 2009 @ 03:28:22 PM
Error Date : Sunday* December 27th 2009 @ 03:28:36 PM
Script : http://vgchat.info/forum/online.php
Referrer : http://vgchat.info/forum/
IP Address :
Username : avalanch
Classname : YABBDB
MySQL Version :
However I have an addon that allows me to click a link & "login" as another user and by doing that I dont get this error* it seems to only affect admin accounts for some reason. This started happening after I transferred the database to a new host.