I know this is old, but I encountered a similar issue on a static mesh in UE 4.21
I fixed it by enabling “Build Adjacency Buffer” in mesh LOD settings. And don’t forget to click “Apply Changes” after that.
I know this is old, but I encountered a similar issue on a static mesh in UE 4.21
I fixed it by enabling “Build Adjacency Buffer” in mesh LOD settings. And don’t forget to click “Apply Changes” after that.