i cant see my subdomain content directly

[bluedream3964]

hi friend
i add some subdomian then when i want to see my subdomian directly like
http://www.sub.site.com/
i see these error
Not Found

The requested URL /home/site/domains/site.com/public_html/index.php was not found on this server.

Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request.
Apache/2 Server at www.sub.site.com Port 80

 

[floyd]

sub.site.com does not have a dns entry.