Message problem

[tanerokutan]

my vbulletin software sending automatic messages to my admin address (hundreds of message everyday)
what is the problem ? how can I fix it ?

here's the one of them :

-------------------------------------------------------------

This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed:

dbmaster@example.com
retry time not reached for any host after a long failure period

------ This is a copy of the message, including all the headers. ------

Return-path: <admin@gsfans.org>
Received: from ttarena by server.gsfans.org with local (Exim 4.69)
(envelope-from <admin@gsfans.org>)
id 1PTemE-0003fl-0Q
for dbmaster@example.com; Fri, 17 Dec 2010 20:11:34 +0200
To: dbmaster@example.com
Subject: vBulletin Database Error!
From: dbmaster@example.com <dbmaster@example.com>
Message-ID: <20101217181133.5f301e3a1a66@www.gsfans.org>
MIME-Version: 1.0
Content-Type: text/plain
Content-Transfer-Encoding: 8bit
X-Priority: 3
X-Mailer: vBulletin Mail via PHP
Date: Fri, 17 Dec 2010 20:11:33 +0200

Database error in vBulletin 4.0.3:

Invalid SQL:
SELECT parent.nodeid, parent.styleid, parent.layoutid from cms_node AS node INNER JOIN cms_node AS parent ON node.nodeleft BETWEEN parent.nodeleft AND parent.noderight
WHERE node.nodeid =
ORDER BY parent.nodeleft DESC ;;

MySQL Error : You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'ORDER BY parent.nodeleft DESC' at line 3
Error Number : 1064
Request Date : Friday, December 17th 2010 @ 08:11:33 PM
Error Date : Friday, December 17th 2010 @ 08:11:33 PM
Script : http://www.gsfans.org/list.php?r=day/1292450401
Referrer : http://www.gsfans.org/content/
IP Address : 77.92.23.31
Username : sercangs
Classname : vB_Database
MySQL Version :