Have you sorted this yet?
I added the first person level to your empty project, and this is what I get
Have you tweaked something in the project settings? 
This is what I see in a new project
Even in a blank empty level
I get an error when I start the project about VSM being enabled, but not SM6. I enabled that and everything was ok. This is your material on a plane in the first person
Maybe update the engine, I see you’re not on 5.4…