( Resolve) Problem I can't spawn my monster in the biome cave

I can't spawn my monster in the biome cave

However, I arrive in the other biomes

{
  "type": "forge:add_spawns",
  "biomes": [
    "dripstone_caves",
    "lush_caves"
  ],
  "spawners": {
    "type": "mixmobsweaponsarmors:cave_troll",
    "weight": 100,
    "minCount": 1,
    "maxCount": 2
  }
}