Put a summary of the bugs you encounter here

What I expect to happen is... :
Normal create world

What actually happened is...... :
Game flashback

Reproduction steps:
1. Single player game
2. Create a new world
3. Get creative with your game mode

4. Difficulties become difficult

5 Select the World menu

6. World type becomes super flat

7. clik "Custom"

8, clik "Presets"

9. Select "The Void" and use the default

10. Error