Cut of land

Put the summary of the bug you're having here
The Land Cuts off
What I expected to happen was...:
Describe what you thought should happen here
It should of look natural like a island
What actually happened was...:
Describe what happened here
The land Cut off and i have a snap shot or 2
Steps to Reproduce:
1. Make a world
2. Explore the world
3. Find this bug