Player turns black when walking though a door/next to a fence/pane/iron bars

Player skin turns black when you stand inside the door/Fence Gates stacked on each other in a 2x1 fashion or when it's open in a doorway.Same when the player is standing right next to a Glass Pane,Fence,or Iron Bars.This also happens with a 2 block high block such as Double Tall Grass,Large Fern,Sunflower, and so on.