All my mods that add new NPCs in Skyrim look fine in Skyrim 2011. But when I copied that mod to the Skyrim Special Edition all their heads are dark just like in the picture. Why is this happening? Any help will be most appreciated.

https://s21.postimg.org/lyb5pxlev/20161102215135_1.jpg

Nevermind. This post solved this issue

http://afkmods.iguanadons.net/index.php?/topic/4633-skyrim-se-things-to-know-when-converting-standard-mods-to-sse/