Both survival and creative, when you create a world with large biomes type you may find a square shape chunk failure which goes down to the very void it is really hard to find these things - you'll have to travel very far away from your spawn.
Related issues
Comments
CubeTheThird
migrated
It is pretty hard to find as I've already said.
But I'll try, else - close this.
kumasasa
Related to MC-2545 ?
migrated
At some point, yes, but mine world was large biomes.
Can you post a screenshot?