MySQL Fatal Error

Warning: mysql_get_server_info() [function.mysql-get-server-info]: Access denied for user 'root'@'localhost' (using password: NO) in /var/www/carfor/data/www/carfor.ru/ini/mysql.php on line 136

Warning: mysql_get_server_info() [function.mysql-get-server-info]: A link to the server could not be established in /var/www/carfor/data/www/carfor.ru/ini/mysql.php on line 136
MySQL Fatal Error

MySQL Error!
--------------------------

The Error returned was:
Too many connections

Error Number:
1040

MySQL.v :
PHP.v : 5.3.3
Script : /newauto/audi/q7/
Refer :