Hey,
I am trying to take a scene from maya 2017 (with fbx) into unreal. I didn’t add any normals in Maya or in Unreal (adding a completely flat Normal Map to the Material in Unreal changes nothing).
As you can see on the picture, there is an ugly transision fron the walls to the curve. I don’t want that. I just want a not visable transition over te objects.
Can you help me?
Thanks for anwears 
Make sure the Vertices are shared and in the same Object and make sure the faces have the same Smoothing Group.