Odd database error?
 

This has frequently been happening yesterday and today. This is the error I've been receiving:

Code:
Database error in vBulletin :

mysql_connect() [function.mysql-connect]: User ### already has more than 'max_user_connections' active connections
/home/###/public_html/forums/includes/class_core.php on line 311

MySQL Error :
Error Number :
Request Date : Thursday, June 25th 2009 @ 11:35:04 AM
Error Date : Thursday, June 25th 2009 @ 11:35:04 AM
Script : http://www.elfislandfansite.com/foru...streply&t=4110
Referrer : http://www.elfislandfansite.com/foru...ead.php?t=4110
IP Address : #########
Username :
Classname : vB_Database
MySQL Version :
How can this be solved? Some important information for the website is being posted and this error can't keep happening.