I was playing on my world when suddenly I got a notice saying "Out of memory!" I was confused. Then, it said that this game was corrupted. I don't know why.

My game crashed when I was playing on my favorite world.

What I expected to happen was...:
Describe what you thought should happen here

I expected my game to restart and work again.

What actually happened was...:
Describe what happened here

My game kept crashing and would not let me open any of my saved files.

Steps to Reproduce:
1. I had put about 5 command blocks to try out a new command I found.
2. Suddenly my game froze and crashed with the "Out of memory!" notice.
3. My game could not open any of my worlds or servers.