After updating from 6.05.21 the plugin does not work, the prefabs for trees have been changed. Please update the plugin.

Update your config with the new names.

For example this:

{
  "CurrencyItemID": -932201673,
  "Items": [
    {
      "Amount": 1,
      "Cost": 10,
      "Name": "oak_b",
      "Prefabs": [
        "assets/bundled/prefabs/autospawn/resource/v3_temp_field_large/oak_b.prefab"
      ]
    },
    {
      "Amount": 1,
      "Cost": 10,
      "Name": "oak_c",
      "Prefabs": [
        "assets/bundled/prefabs/autospawn/resource/v3_temp_field_large/oak_c.prefab"
      ]
    },
    {
      "Amount": 1,
      "Cost": 10,
      "Name": "oak_d",
      "Prefabs": [
        "assets/bundled/prefabs/autospawn/resource/v3_temp_field_large/oak_d.prefab"
      ]
    },
    {
      "Amount": 1,
      "Cost": 10,
      "Name": "birch_small",
      "Prefabs": [
        "assets/bundled/prefabs/autospawn/resource/v3_temp_forestside/birch_small_temp.prefab"
      ]
    },
    {
      "Amount": 1,
      "Cost": 10,
      "Name": "birch_medium",
      "Prefabs": [
        "assets/bundled/prefabs/autospawn/resource/v3_temp_forestside/birch_medium_temp.prefab"
      ]
    },
    {
      "Amount": 1,
      "Cost": 10,
      "Name": "birch_large",
      "Prefabs": [
        "assets/bundled/prefabs/autospawn/resource/v3_tundra_field/birch_large_tundra.prefab"
      ]
    },
    {
      "Amount": 1,
      "Cost": 10,
      "Name": "douglas_a",
      "Prefabs": [
        "assets/bundled/prefabs/autospawn/resource/v3_tundra_forest/douglas_fir_a.prefab"
      ]
    },
    {
      "Amount": 1,
      "Cost": 10,
      "Name": "douglas_b",
      "Prefabs": [
        "assets/bundled/prefabs/autospawn/resource/v3_tundra_forest/douglas_fir_b.prefab"
      ]
    },
    {
      "Amount": 1,
      "Cost": 10,
      "Name": "douglas_c",
      "Prefabs": [
        "assets/bundled/prefabs/autospawn/resource/v3_tundra_forest/douglas_fir_c.prefab"
      ]
    },
    {
      "Amount": 1,
      "Cost": 10,
      "Name": "swamp_a",
      "Prefabs": [
        "assets/bundled/prefabs/autospawn/resource/swamp-trees/swamp_tree_a.prefab"
      ]
    },
    {
      "Amount": 1,
      "Cost": 10,
      "Name": "swamp_b",
      "Prefabs": [
        "assets/bundled/prefabs/autospawn/resource/swamp-trees/swamp_tree_b.prefab"
      ]
    },
    {
      "Amount": 1,
      "Cost": 10,
      "Name": "swamp_c",
      "Prefabs": [
        "assets/bundled/prefabs/autospawn/resource/swamp-trees/swamp_tree_c.prefab"
      ]
    },
    {
      "Amount": 1,
      "Cost": 10,
      "Name": "palm_small",
      "Prefabs": [
        "assets/bundled/prefabs/autospawn/resource/v3_arid_field/palm_tree_short_c_entity.prefab"
      ]
    },
    {
      "Amount": 1,
      "Cost": 10,
      "Name": "palm_medium",
      "Prefabs": [
        "assets/bundled/prefabs/autospawn/resource/v3_arid_beachside/palm_tree_small_a_entity.prefab"
      ]
    },
    {
      "Amount": 1,
      "Cost": 10,
      "Name": "palm_large",
      "Prefabs": [
        "assets/bundled/prefabs/autospawn/resource/v3_arid_forest/palm_tree_tall_a_entity.prefab"
      ]
    },
    {
      "Amount": 1,
      "Cost": 10,
      "Name": "pine_a_large",
      "Prefabs": [
        "assets/bundled/prefabs/autospawn/resource/v3_tundra_field_pines/pine_a.prefab"
      ]
    },
    {
      "Amount": 1,
      "Cost": 10,
      "Name": "pine_b_large",
      "Prefabs": [
        "assets/bundled/prefabs/autospawn/resource/v3_temp_forestside_pine/pine_b.prefab"
      ]
    },
    {
      "Amount": 1,
      "Cost": 10,
      "Name": "pine_medium",
      "Prefabs": [
        "assets/bundled/prefabs/autospawn/resource/v3_tundra_forestside/pine_d.prefab"
      ]
    },
    {
      "Amount": 1,
      "Cost": 10,
      "Name": "cactus_a",
      "Prefabs": [
        "assets/bundled/prefabs/autospawn/resource/v3_arid_cactus/cactus-1.prefab"
      ]
    },
    {
      "Amount": 1,
      "Cost": 10,
      "Name": "cactus_b",
      "Prefabs": [
        "assets/bundled/prefabs/autospawn/resource/v3_arid_cactus/cactus-2.prefab"
      ]
    },
    {
      "Amount": 1,
      "Cost": 10,
      "Name": "cactus_c",
      "Prefabs": [
        "assets/bundled/prefabs/autospawn/resource/v3_arid_cactus/cactus-3.prefab"
      ]
    },
    {
      "Amount": 1,
      "Cost": 10,
      "Name": "cactus_d",
      "Prefabs": [
        "assets/bundled/prefabs/autospawn/resource/v3_arid_cactus/cactus-4.prefab"
      ]
    },
    {
      "Amount": 1,
      "Cost": 10,
      "Name": "cactus_e",
      "Prefabs": [
        "assets/bundled/prefabs/autospawn/resource/v3_arid_cactus/cactus-7.prefab"
      ]
    }
  ],
  "OwnerOnly": false,
  "UseCurrency": false,
  "UseEconomics": false,
  "UseServerRewards": true
}