mysql error

[leejohn02]

when i try to edit 1 post and add it to the one above i get this error, its only when i post this thread too

mysql error

Database error in vBulletin 4.1.5:

Invalid SQL:

(SELECT permissions, permissions2, FIND_IN_SET(forumid, '101,5,-1') AS pos, forumid
FROM moderator
WHERE userid = 1 AND forumid IN (101,5,-1)
ORDER BY pos ASC
LIMIT 1)
UNION
(SELECT permissions, permissions2, 0, forumid
FROM moderator
WHERE userid = 1 AND forumid = -1
);

MySQL Error : MySQL server has gone away
Error Number : 2006
Request Date : Wednesday, August 31st 2011 @ 01:59:33 AM
Error Date : Wednesday, August 31st 2011 @ 02:00:04 AM
Script : http://www.pureglitching.com/newthre...stthread&f=101
Referrer : http://www.pureglitching.com/newthre...ewthread&f=101
IP Address : 86.21.216.84
Username : Glitch_Guru
Classname : vB_Database
MySQL Version :


thread
http://www.pureglitching.com/showthr...1597#post11597

can someone please help, cheers