sql error sitemap generator

Hi,
Several days to generate the sitemap sql gives me these errors. The hosting provider says it is a problem with vbseo / sitemap generator.

I have vbulletin 3.8.2,vbseo 3.3 and sitemap 2.5. The errors:

HTML Code:

Database error in vBulletin 3.8.2:

Invalid SQL:

                SELECT count(*) as cnt
                    ,max(views) as maxv,avg(views) as avgv
                    ,max(replycount) as maxre,avg(replycount) as avgre
                FROM vbulletin_thread 
                WHERE forumid = 399
                    AND visible = 1;

MySQL Error   : MySQL server has gone away
Error Number  : 2006
Request Date  : Friday, May 1st 2009 @ 09:27:46 AM
Error Date    : Friday, May 1st 2009 @ 09:28:56 AM
Script        : http://www.xxxx/admincp/cronadmin.php?do=runcron&cronid=40
Referrer      : http://www.xxxx/admincp/cronadmin.php?do=modify

HTML Code:

Invalid SQL:
 
                SELECT count(*) as cnt
                    ,max(views) as maxv,avg(views) as avgv
                    ,max(replycount) as maxre,avg(replycount) as avgre
                FROM vbulletin_thread 
                WHERE forumid = 156
                    AND visible = 1;
 
MySQL Error   : MySQL server has gone away
Error Number  : 2006
Request Date  : Thursday, April 30th 2009 @ 08:50:13 AM
Error Date    : Thursday, April 30th 2009 @ 08:54:18 AM
Script        : http://www.xxxxxxx/admincp/cronadmin.php?do=runcron&cronid=40
Referrer      : http://www.xxxxx/admincp/cronadmin.php?do=modify
IP Address    : xxx
Username      : xxxx
Classname     : vB_Database
MySQL Version :

HTML Code:

Database error in vBulletin 3.8.2:
 
Invalid SQL:
 
                SELECT count(*) as cnt
                    ,max(views) as maxv,avg(views) as avgv
                    ,max(replycount) as maxre,avg(replycount) as avgre
                FROM vbulletin_thread 
                WHERE forumid = 344
                    AND visible = 1;
 
MySQL Error   : MySQL server has gone away
Error Number  : 2006
Request Date  : Thursday, April 30th 2009 @ 02:00:23 AM
Error Date    : Thursday, April 30th 2009 @ 02:02:10 AM
Script        : http://www.xxxxxx/cron.php?rand=1241049605
Referrer : xxxxxx
IP Address    : xxxxx
Username      : No Registrado
Classname     : vB_Database
MySQL Version :

Hello,

you should increase wait_timeout setting in MySQL configuration on your server to avoid that.