Versions
WorldEdit version: v7.2.0
Platform version: Fabric for MC 1.16.4

Describe the bug
Error when attempting to regen biome.

To Reproduce

1. //chunk
2. //regen -b

Expected behavior
Biome regen.

Screenshots

Additional context
N/A

provide the log at least...?

Forget about this. I'm just assuming it was my fault because the biome was listed as null.