Error: Failed to initialize preview: Missing key in minecraft:worldgen/density_function: minecraft:

[Nu4oc]

Crash report

• Page url: https://misode.github.io/worldgen/noise-settings/
• Generator ID: worldgen/noise_settings
• Current version: 1.21.4
• Latest version: 1.21.9-pre1

Stack trace

Error: Failed to initialize preview: Missing key in minecraft:worldgen/density_function: minecraft:
    at Ns.getOrThrow (../../node_modules/deepslate/lib/core/Registry.js:48:18)
    at Object.value (../../node_modules/deepslate/lib/core/Holder.js:25:38)
    at Object.map (../../node_modules/deepslate/lib/worldgen/RandomState.js:55:48)
    at o.mapAll (../../node_modules/deepslate/lib/worldgen/DensityFunction.js:10:23)
    at Object.i (../../node_modules/deepslate/lib/worldgen/NoiseRouter.js:53:36)
    at new (../../node_modules/deepslate/lib/worldgen/RandomState.js:24:34)
    at _Y.loadChunkGenerator (src/app/components/previews/Deepslate.ts:112:28)
    at (https://misode.github.io/assets/index-BUW_odCU.js:382:39083) (src/app/components/previews/NoiseSettingsPreview.tsx:33:2)

Generator JSON

{
  "default_block": {
    "Name": ""
  },
  "default_fluid": {
    "Name": ""
  },
  "sea_level": 0,
  "disable_mob_generation": false,
  "aquifers_enabled": false,
  "ore_veins_enabled": false,
  "legacy_random_source": false,
  "noise": {
    "min_y": 0,
    "height": 0,
    "size_horizontal": 1,
    "size_vertical": 1
  },
  "noise_router": {
    "barrier": "",
    "fluid_level_floodedness": "",
    "fluid_level_spread": "",
    "lava": "",
    "vein_toggle": "",
    "vein_ridged": "",
    "vein_gap": "",
    "temperature": "",
    "vegetation": "",
    "continents": "",
    "erosion": "",
    "depth": "",
    "ridges": "",
    "initial_density_without_jaggedness": "",
    "final_density": ""
  },
  "spawn_target": [],
  "surface_rule": {
    "type": ""
  }
}