Vbulletin Version 4.1.2 Installation Errors

When I install Version 4.1.2, the following errors come out: Warning: mysql_query(): supplied argument is not a valid MySQL-Link resource in /home/cpgtxos/public_html/forums.glassesadvisor.com/includes/class_core.php on line 414 Warning: Cannot modify header information – headers already sent by (output started at /home/cpgtxos/public_html/forums.glassesadvisor.com/includes/class_core.php:414) in… Read moreVbulletin Version 4.1.2 Installation Errors