After saving my game I tried to reload it once more, but the game crashed entirely instead.

Put the summary of the bug you're having here
After saving my game I tried to reload it once more, but the game crashed entirely instead.
What I expected to happen was...:
Describe what you thought should happen here
I expected the game to load my saved game again.
What actually happened was...:
Describe what happened here
When I tried to reload the game world I was previously playing, the game crashed completely. I clicked on the "Report to Mojang" button and ended up here
Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...
3. ...