Affects Version/s: Minecraft 19w06a
Fix Version/s: None
Environment:Windows 10, unknown Java.
Put the summary of the bug you're having here
What I expected to happen was...:
The world would generate normally.
What actually happened was...:
One chunk decided to incite a rebellion against the smooth terrain.
Steps to Reproduce:
1. I have no idea how this happened, since it wasn't there previously, and therefore don't know how to produce it.