Did you make any source or material modifications to the engine at all? Otherwise this is probably a question you'll want to pose at the official UE forums because it looks like a bug.
– Josh Petrie♦2 days ago
@JoshPetrie I'm newbie here.... I didn't make any modification in source code... I've also posted it in the official forums.... But that is nearly dead.. !
– Rezwan Arefin2 days ago
I thought Unreal Engine is just like Blender editor......There we can have both modes.. ! :) So I thought I can also have both mode here...
– Rezwan Arefin2 days ago