can anyone sort this worning plz?

[BuyHostCheap]

suddenly i'm getting a warning mail this. anyone knows y?

Database error in vBulletin :

mysql_connect() [<a href='function.mysql-connect'>function.mysql-connect</a>]: Too many connections
/home/prakash/domains/shareglobe.com/public_html/includes/class_core.php on line 273

[peterska2]

This means that you have exceeded your maximum connections to your database. You will need to contact your host about this.