Forum Strange mysql error..please help
 

Hi,
I run 2 forums.
One forum is running great without any problem.

But the other forum gives me some strange errors sometimes to my email id like this -


Quote:
Database error in vBulletin 4.1.6:

Invalid SQL:

SELECT COUNT(*) AS count
FROM attachment
WHERE
posthash = '0ac476601928f3523cff700b597f3b6a'
AND
userid = 6360;

MySQL Error : MySQL server has gone away
Error Number : 2006
Request Date : Tuesday, November 20th 2012 @ 03:43:59 PM
Error Date : Tuesday, November 20th 2012 @ 03:46:17 PM
Script : http://www.myforum.com/newthread.php?do=postthread&f=28
Referrer : http://www.myforum.com/newthread.php?do=newthread&f=28
IP Address : 1.183.754.43
Username : camik
Classname : vB_Database
MySQL Version :



I get errors of this kind several times and i am really fed up dealing with such errors.

The error description is sometimes different, but has same title - MySQL server has gone away.

Please help.