Please HELP ME AT THOSE BUGS!!!
https://answers.unrealengine.com/questions/853859/unreal-engine-420421-compile-shader-problem.html
https://answers.unrealengine.com/questions/821568/bug-in-materails-ue420.html
https://answers.unrealengine.com/questions/821820/ue420-materails-performance-larger-then-before.html
i have tryed to find the way to fix it along time and still didnt find it , please HELP!!!