Please Help with Multisite issues

Hello most magnificent wordpress support team.

I'm really hoping someone can help with a major issue concerning wordpress multisite. I have been trying to add sites to my wordpress multisite after it's complete setup (this isn't my first attempt...some sites worked some didn't get me pass dashboard of new site). When i create/add a new site 1. its not showing in my sites menu (my sites - primary site - "blank site"). However if i go to network admin - sites and click menu link it shows me the site i created/added. if i scroll to the site name (e.g it use to take me to the dashboard (now it doesn't even do that), im getting this message on the dashboard page ( 404 Not Found
The server can not find the requested page: (port 80) )

When i try to visit the site directly or through hard link i get:

If you are the owner of this website, please contact your hosting provider:
It is possible you have reached this page because:

in this url: