Assets already in package

I have searched everywhere and nobody seems to know how to fix this. When I try to import a package I get the "Nothing to import, all assets are already in the project." But they are not. It is a totally new blank project with nothing in it yet. How is this fixed?

 

- what package
- where do you want it install from
- how do you do that

Please post some screenshots to be able to see what are you trying to do.