database errors Vbulletin 4.1.4

[Lokito1992]

I have several database errors

Database error in vBulletin 4.1.4:

Invalid SQL:

                       SELECT text, languageid, special
                       FROM phrase AS phrase
                       LEFT JOIN phrasetype USING (fieldname)
                       WHERE phrase.fieldname = 'frontredirect'
                               AND varname = 'postthanks' AND languageid IN (-1, 0, 8);

MySQL Error   : MySQL server has gone away
Error Number  : 2006
Request Date  : Friday, July 29th 2011 @ 04:38:40 PM
Error Date    : Friday, July 29th 2011 @ 04:39:22 PM
Script        : http://www.latinocheats.com/newthread.php?do=newthread&f=18
Referrer      :
IP Address    : 46.49.58.16
Username      : ExclusiveDow
Classname     : vB_Database
MySQL Version :

Database error in vBulletin 4.1.4:

Invalid SQL:

                                       SELECT title
                                       FROM usertitle
                                       WHERE minposts <= 0
                                       ORDER BY minposts DESC
                                       LIMIT 1;

MySQL Error   : MySQL server has gone away
Error Number  : 2006
Request Date  : Friday, July 29th 2011 @ 04:28:41 PM
Error Date    : Friday, July 29th 2011 @ 04:29:11 PM
Script        : http://hackrakion.latinocheats.com/register.php?do=addmember
Referrer      : http://hackrakion.latinocheats.com/register.php
IP Address    : 109.111.184.1
Username      : illelaNus
Classname     : vB_Database
MySQL Version :

Database error in vBulletin 4.1.4:

Invalid SQL:

               SELECT
                       count(*) as maxre
               FROM tagthread
               GROUP BY tagid
               ORDER BY maxre DESC
               LIMIT 0,1;

MySQL Error   : Table 'zonahkg_vbulletinx.tagthread' doesn't exist
Error Number  : 1146
Request Date  : Wednesday, July 27th 2011 @ 02:00:23 AM
Error Date    : Wednesday, July 27th 2011 @ 02:00:25 AM
Script        : http://www.latinocheats.com/cron.php?rand=1311724819
Referrer      : http://www.latinocheats.com/newthread.php?do=newthread&f=91
IP Address    : 81.35.248.45
Username      : No Registrado
Classname     : vB_Database
MySQL Version :

As I can fix these errors I would like to fix database as soon as possible ..

Actualmente dispongo borre el foro ya que conten?a contenido warez. Actualmente me lance una pagina de mi empresa de taxis donde ofrezco servicios en taxi monda.