I have WPMU installed on my server (before the migration into WP) and I have not been able to create a new site since before 4-11-11. I had no troubles before, I have previously upgraded to 3.1.1 but it was working.
When I try to visit the site through the dashboard the link goes to:
I'm totally confused and I really don't understand what happened or how to fix it. Can someone please help me? Thanks in advance!