Database Problem (..already has more than 'max_user_connections')

[Danyx69]

Hi all , i get an error at my email master :

mysql_connect() [<a href='function.mysql-connect'>function.mysql-connect</a>]: User user_name already has more than 'max_user_connections' active connections
/home/linkcsro/domains/domain_name/public_html/includes/class_core.php on line 311

MySQL Error   : 
Error Number  : 
Request Date  : Wednesday, December 30th 2009 @ 08:14:14 PM
Error Date    : Wednesday, December 30th 2009 @ 08:14:14 PM
Script        : http://www.domain_name.com/
Referrer      : http://www.domain_name.com/
IP Address    : 92.80.244.153
Username      : 
Classname     : vB_Database
MySQL Version :

I dont know what i receiva at my email master this type of emails , but there are 21 emails this type . Support ?