Whenever I try to load my world, my Minecraft instance closes then I get the launcher popup showing the bug below.

Whenever I try to load my world, my Minecraft instance closes then I get the launcher popup showing the bug below.

What I expected to happen was...:
I expected the world to load.

What actually happened was...:
The world didn't load and the launcher appeaed with the error message.

Steps to Reproduce:
1. Load minecraft on version 1.8.7 with my version of Java which is Java: 1.8.0_25 (by Oracle Corporation)
2. Try and enter an amplified world.
3. Let the magic unfold infront of your eyes!