database error!!

[soyluyayincilik]

Hi,

When new members sign up as an e-mail comes the following error message.


Database error in vBulletin 4.0.3:

Invalid SQL:

UPDATE datastore SET
data = data - 1,
data = IF(data < 0, 0, data)
WHERE title = 'mailqueue';

MySQL Error : MySQL server has gone away
Error Number : 2006
Request Date : Friday, May 21st 2010 @ 09:07:58 PM
Error Date : Friday, May 21st 2010 @ 09:08:36 PM
Script : http://www.soyluyayincilik.com/forum...=57&viewfull=1
Referrer :
IP Address : 66.249.65.76
Username : Kayıtsız ?ye
Classname : vB_Database
MySQL Version :