Summary:*
I go into a single player world and I press F5 and the skin texture is missing from my player, It has black and purple colors.

What I expected to happen was...:
I expected to either see Steve or my player skin.

What actually happened was...:
The player skin is not appearing. (Black and purple colors)

Steps to Reproduce:
1. Open Minecraft
2. Create a new world
3. Press F5 and the player skin isn't appearing.