As you try to use a project of another, it’s difficult to say where to problem lies. I would need to download the project and debug the problem.
You could instead use the many available learning resources (and templates) provided by Epic Games in the Unreal Engine 4. I.e. the templates. You could also give these tutorials a go: https://docs.unrealengine.com/latest/INT/Videos/
They are intended to learn you the user interface, blueprint principles and a basic understand in general.