Database Errors?

[King Justice]

Database error in vBulletin :

mysql_connect() [<a href='function.mysql-connect'>function.mysql-connect</a>]: Access denied for user 'admin_agentegs'@'localhost' (using password: YES)
/home/admin/domains/egamingsupply.com/public_html/forum/includes/class_core.php on line 274

MySQL Error :
Error Number :
Date : Sunday, August 19th 2007 @ 11:00:56 PM
Script : http://www.egamingsupply.com/forum/
Referrer :
IP Address : xxx
Username :
Classname : vb_database

Database error in vBulletin 3.6.7:

Invalid SQL:
SELECT COUNT(*) AS count FROM user WHERE usergroupid = 4;

MySQL Error : Can't open file: 'user.MYI' (errno: 145)
Error Number : 1016
Date : Sunday, August 19th 2007 @ 11:55:00 AM
Script : http://www.egamingsupply.com/forum/
Referrer :
IP Address : xxx
Username : Unregistered
Classname : vb_database