1. Open the game.
2. Open the map maker.
3. Spend hours making a map.
4. Hit save.
5. Game crashes.
6. Reboot the game.
7. See that it failed to save and you have now lost the map.
8. Turn off the game.
9. Uninstall the game.
10. Go cry yourself to sleep at 5:56am

Oh would you look at the time!