[1.20.1, Forge] Crash when adding biome features with forge:add_features

This works without zeta, but with zeta it crashes -------- Mod list: Zeta 1.0-28 Global Packs 1.16.2_forge TerraBlender 3.0.1.10 (dependency) Regions Unexplored 0.5.6 CorgiLib 4.0.3.3 (dependency) Biomes O' Plenty 19.0.0.95 GlitchCore 0.0.1.1 (dependency) and a datapack with the modifier at \data\minecraft\forge\biome_modifier\thingy.json modifier: { "type": "forge:add_features", "biomes": "biomesoplenty:tundra", "features": [ "regions_unexplored:maple_shrub_mix", "regions_unexplored:pine_dead_shrub_mix" ], "step": "vegetal_decoration" } -------- [crash-2025-03-26_02.16.46-server.txt](https://github.com/user-attachments/files/19462432/crash-2025-03-26_02.16.46-server.txt)