Forum I can not update forum vBulletin 4.1.12 to 4.2.0
 

Good day! I can not update forum vBulletin 4.1.12 to 4.2.0

Updating the second time, first time was in June, and both times failed. I do not know what it is, everything seems to be doing something right.

errors:

Quote:
Database error in vBulletin 4.1.12:

Invalid SQL:

SELECT *
FROM navigation
WHERE state & 4 = 0
ORDER BY navtype, displayorder;

MySQL Error : Table 'имя базы данных.navigation' doesn't exist
Error Number : 1146
Request Date : Wednesday, September 19th 2012 @ 01:36:48 AM
Error Date : Wednesday, September 19th 2012 @ 01:36:48 AM
Script : http://мой домен/index.php
Referrer : http://мой домен/index.php
IP Address : айпи адрес
Username : Незарегистрированный
Classname : vB_Database
MySQL Version :

Quote:
Database error in vBulletin :

mysql_connect() [function.mysql-connect]: Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)
/home/имя домена/мой домен/docs/includes/class_core.php on line 317

MySQL Error :
Error Number :
Request Date : Wednesday, September 19th 2012 @ 01:57:12 AM
Error Date : Wednesday, September 19th 2012 @ 01:57:12 AM
Script : http://мой домен/install/upgrade.php
Referrer :
IP Address : айпи адрес
Username :
Classname : vB_Database
MySQL Version :

Interestingly http://moy domain / install / install.php starts and http://moy domain / install / upgrade.php not.
Please help update the forum. What is the reason I can not understand. Thank you!