I have made a static mesh floor in Blender and imported it into UE4 everything worked perfectly until I lined the flooring up to fit and realised that they have a strange shadow on the corners of them every time lighting is generated any idea what might be causing this? Here is an example:
Here is a video that rendered terribly however here it is anyway:
http://screencast.com/t/JdBHqfYd
And here is the FBX:
http://www.sendspace.com/file/fnltb7
Thanks!!!