When you get a database error, if you aren't having them mailed to you, you can View Source for the page and it will show the error at the bottom of the page:
PHP Code:
<!--
Database error in vBulletin :
mysql_connect() [<a href='function.mysql-connect'>function.mysql-connect</a>]: Too many connections
/home/centexra/public_html/forums/includes/class_core.php on line 273
MySQL Error :
Error Number :
Date : Saturday, March 22nd 2008 @ 03:20:27 PM
Script : [url]http://www.centexracingscene.com/forums/[/url]
Referrer : [url]https://vborg.vbsupport.ru/showthread.php?p=1471813[/url]
IP Address : xx.xxx.xxx.xx
Username :
Classname : vb_database
-->
Too many connections is a server issue. So, you will need to talk to your host about it.