Is there a way to use it correctly? Tried with this codes with no success var circle:Image = new Image("graphics/circle.png"); var mask:Imagemask = new Imagemask(new Image("graphics/circle.png")); _entity = new Entity(50,30,circle,mask); add(_entity); I got this error when building to neko https://pastebin.com/v5AU4BYk haxepunk git lime 6.4.0 openfl 8.3.0