What happened?

Whenever I try to use Chunky to pre-generate chunks from the BetterEnd mod, it halts as soon as it tries touching the area around the main island. I went to Chunky's repository as well, but it's not a bug on Chunky's end, because other mods work with it fine.

BetterEnd

21.0.11

BCLib

21.0.13

Fabric API

0.109.0+1.21.1

Fabric Loader

0.16.9

Minecraft

1.21.1

Relevant log output

No response

Other Mods

Chunky-1.4.16.jar