Hello, there Unreal people! I need some help with light. I have made these walls (Grid-base system) in blender. When I imported them, they looked fine (before I hit the “build light button”.) After that, they look like they are separated into pieces. I don’t know whats causing this and I would be…

Ok, so I fixed it by some miracle. It was actually a problem in blender. I needed to apply the edge split modifier to the mesh… But thank you so much for helping me <3