DB: Can't connect to DB cards2: User 'cards2' has exceeded the 'max_user_connections' resource (current value: 300)!

DB->raise_error():Array
(
    [0] => [/mnt/dir_main/www/new/lib/PHP5/common/MT/Core/Abstract.class.php:141]	MT_Core_Abstract->get_call_stack();
    [1] => [/mnt/dir_main/www/new/lib/PHP5/common/DB/Broker.class.php:1013]	MT_Core_Abstract->raise_error();
    [2] => DB_Broker->raise_error();
    [3] => [/mnt/dir_main/www/new/lib/PHP5/common/DB/Driver/MySQL.class.php:37]	call_user_func();
    [4] => [/mnt/dir_main/www/new/lib/PHP5/common/DB/Broker.class.php:207]	DB_Driver_MySQL->connect();
    [5] => [/mnt/dir_main/www/new/lib/PHP5/common/DB/Broker.class.php:117]	DB_Broker->__connect_db();
    [6] => [/mnt/dir_main/www/new/lib/PHP5/common/DB.class.php:54]	DB_Broker->__construct();
    [7] => [/mnt/dir_main/www/new/lib/PHP5/common/DB.class.php:30]	DB->__construct();
    [8] => [/mnt/dir_main/www/new/www/greetings5.dir.bg/send.php:19]	DB::getInstance();
)