Issue when using exrm about arc_ecto HOT 4 CLOSED

  def application do
    [mod: {Scotchy, []},
     applications: [:phoenix, :phoenix_pubsub, :phoenix_html, :cowboy, :logger, :gettext,
                :phoenix_ecto, :postgrex, :timex, :arc, :arc_ecto, :exseed]]
  end

Request: GET /bottles/new
** (exit) an exception was raised:
    ** (UndefinedFunctionError) function Arc.Ecto.Model.convert_params_to_binary/1 is undefined (module Arc.Ecto.Model is not available)

  defp deps do
    [{:phoenix, "~> 1.2.0"},
     {:postgrex, ">= 0.0.0"},
     {:phoenix_pubsub, "~> 1.0"},
     {:phoenix_ecto, "~> 3.0-rc"},
     {:phoenix_html, "~> 2.4"},
     {:arc, "~> 0.5.1"},
     {:arc_ecto, "~> 0.3.2",},
     {:phoenix_live_reload, "~> 1.0", only: :dev},
     {:gettext, "~> 0.9"},
     {:exseed, "~> 0.0.3"},
     {:phoenix_generator, github: "etufe/phoenix_generator", only: :dev},
     {:exrm, "~> 1.0.0"},
     {:cowboy, "~> 1.0"},
     {:timex, "1.0.2"}]
  end