Minecraft Crashing when swithing to default pack after having started up with a resource pack on

What I expected to happen was...:
Resource pack swithing to default

What actually happened was...:
Game instantly crashes(I've tried it out multiple times, still happens.)

Steps to Reproduce:
1. Make a resource pack with the TextureEnder.jar
2. Put the pack in the resourcepacks folder
3. Start minecraft, select the pack, quit the game
4. If you reopen minecraft and wanna change back to default pack, it instantly crashes