Can't see scene anymore

I can't see any objects in my scene anymore. The scene still works and loads fine but I dont' see any objects visually in my scene. The information is all there. Is this known?

Edit: I think what caused it was that I renamed my directory folders. I changed the path in the project file but the scene still doesn't show up. Scenes from other games work fine, but this one won't. The game still builds fine too.

Edit Again: I just started a new scene file, but if it happens again i'll post here.