SSL not working in my site???

[eluser]Zeeshan Rasool[/eluser]
hi every one, i just need little help in SSL using CI. i m failed to do SSL on login page as i just redirect simple this page to SSL
Here what i set in constant.php

define('SSL_BASE_PATH', "https://".$_SERVER['HTTP_HOST']."/project/");

in the attachment the error image is found