I found possible bug with Ash.DataLayer.Mnesia in form validation

AshPhoenix.Form.submit(form, params: %{name: "Best Band Ever"}) # returning invalid
{:error,
 #AshPhoenix.Form<
   resource: Tunez.Music.Artist,
   action: :create,
   type: :create,
   params: %{name: "Best Band Ever"},
   source: #Ash.Changeset<
     domain: Tunez.Music,
     action_type: :create,
     action: :create,
     attributes: %{},
     relationships: %{},
     errors: [
       %Ash.Error.Changes.Required{
         field: :name,
         type: :attribute,
         resource: Tunez.Music.Artist,
         splode: Ash.Error,
         bread_crumbs: [],
         vars: [],
         path: [],
         stacktrace: #Splode.Stacktrace<>,
         class: :invalid
       }
     ],
     data: %Tunez.Music.Artist{
       id: nil,
       name: nil,
       biography: nil,
       inserted_at: nil,
       updated_at: nil,
       __meta__: #Ecto.Schema.Metadata<:built, "">
     },
     valid?: true
   >,
   name: "form",
   data: nil,
   form_keys: [],
   forms: %{},
   domain: Tunez.Music,
   method: "post",
   submit_errors: [name: {"is required", []}],
   id: "form",
   transform_errors: nil,
   original_data: nil,
   transform_params: nil,
   prepare_params: nil,
   prepare_source: nil,
   raw_params: %{name: "Best Band Ever"},
   warn_on_unhandled_errors?: true,
   any_removed?: false,
   added?: false,
   changed?: false,
   touched_forms: MapSet.new([:name]),
   valid?: false,
   errors: true,
   submitted_once?: true,
   just_submitted?: true,
   ...
 >}

AshPhoenix.Form.submit(form, params: %{name: "Best Band Ever"}) # returning invalid
{:error,
 #AshPhoenix.Form<
   resource: Tunez.Music.Artist,
   action: :create,
   type: :create,
   params: %{name: "Best Band Ever"},
   source: #Ash.Changeset<
     domain: Tunez.Music,
     action_type: :create,
     action: :create,
     attributes: %{},
     relationships: %{},
     errors: [
       %Ash.Error.Changes.Required{
         field: :name,
         type: :attribute,
         resource: Tunez.Music.Artist,
         splode: Ash.Error,
         bread_crumbs: [],
         vars: [],
         path: [],
         stacktrace: #Splode.Stacktrace<>,
         class: :invalid
       }
     ],
     data: %Tunez.Music.Artist{
       id: nil,
       name: nil,
       biography: nil,
       inserted_at: nil,
       updated_at: nil,
       __meta__: #Ecto.Schema.Metadata<:built, "">
     },
     valid?: true
   >,
   name: "form",
   data: nil,
   form_keys: [],
   forms: %{},
   domain: Tunez.Music,
   method: "post",
   submit_errors: [name: {"is required", []}],
   id: "form",
   transform_errors: nil,
   original_data: nil,
   transform_params: nil,
   prepare_params: nil,
   prepare_source: nil,
   raw_params: %{name: "Best Band Ever"},
   warn_on_unhandled_errors?: true,
   any_removed?: false,
   added?: false,
   changed?: false,
   touched_forms: MapSet.new([:name]),
   valid?: false,
   errors: true,
   submitted_once?: true,
   just_submitted?: true,
   ...
 >}

defmodule Tunez.Music.Artist do
  use Ash.Resource, otp_app: :tunez, domain: Tunez.Music, data_layer: Ash.DataLayer.Mnesia

  mnesia do
    table :artists
  end

  actions do
    defaults [:create, :read, :update, :destroy]
  end

  attributes do
    uuid_primary_key :id

    attribute :name, :string do
      allow_nil? false
    end

    attribute :biography, :string
    create_timestamp :inserted_at
    update_timestamp :updated_at
  end
end

defmodule Tunez.Music.Artist do
  use Ash.Resource, otp_app: :tunez, domain: Tunez.Music, data_layer: Ash.DataLayer.Mnesia

  mnesia do
    table :artists
  end

  actions do
    defaults [:create, :read, :update, :destroy]
  end

  attributes do
    uuid_primary_key :id

    attribute :name, :string do
      allow_nil? false
    end

    attribute :biography, :string
    create_timestamp :inserted_at
    update_timestamp :updated_at
  end
end