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/buildingnet/data/www/buildingnet.ru/ini/mysql.php on line 135

Warning: mysql_get_server_info() [function.mysql-get-server-info]: A link to the server could not be established in /var/www/buildingnet/data/www/buildingnet.ru/ini/mysql.php on line 135
MySQL Fatal Error

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

The Error returned was:
Too many connections

Error Number:
1040

MySQL.v :
PHP.v : 5.2.17
Script : /board/otdelochnye_materialy/?p=1&pr=2&sort_id=5&order_id=2
Refer :