Paper2d lighting.

Hello you wonderfull people,

First time posting in the forum. I just started working on a game for the first time with ue4. So far so great. However I have a problem. I was playing around with the light.

So I added a light and changed the materials. In the editor it looks amazing;). Sort of but it works. Now I hit play and it is all black. I know I am probably making a stupid mistake but I can’t figure it out.

Please help me.