Warning: mysql_connect(): The server requested authentication method unknown to the client [mysql_old_password] in /home/armstron/public_html/includes/db_connect.php on line 9

Warning: mysql_connect(): The server requested authentication method unknown to the client in /home/armstron/public_html/includes/db_connect.php on line 9
I cannot connect to the database because: The server requested authentication method unknown to the client