Login problem in vbulletin 3.0.1 integration

[weitalia]

Hi,
i have a problem in login on site's gallery on my site weitalia.net
i'll try it on my home pc and it works fine
on my remote host it has a login problem
someone can help me?
bridge file:

Code Select Expand

define('VB_CUST_NO', '********'); // Your vBulletin license number (NOT your customer number)
define('VB_DB_NAME', 'weitalia_*****'); // The name of the database used by the board
define('VB_BD_HOST', 'localhost'); // The name of the database server
define('VB_DB_USERNAME', 'weitalia_*****'); // The username to use to connect to the database
define('VB_DB_PASSWORD', '*******'); // The password to use to connect to the database

// The web path to your vBulletin Board directory
// In this example http://yoursite_name.com/vbulletin3/
define('VB_WEB_PATH', '/');
// ------------------------------------------------------------------------- //
// Nothing to edit below this line
// ------------------------------------------------------------------------- //
// Prefix and names for the database tables
define('VB_TABLE_PREFIX', ''); // Leave empty, not supported by vBulletin 2.3
define('VB_USER_TABLE', 'user'); // The members table
define('VB_SESSION_TABLE', 'session'); // The sessions table
define('VB_GROUP_TABLE', 'usergroup'); // The groups table
define('VB_COOKIE_PREFIX', '');  // Cookie Prefix, not supported by vBulletin 2

Account
User: testforum
pass: test