Call to missing or private function Phoenix.View.__not_found__!/3.ElixirLS Dialyzer

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defmodule AdminWeb do
  @moduledoc """
  The entrypoint for defining your web interface, such
  as controllers, views, channels and so on.

  This can be used in your application as:

      use AdminWeb, :controller
      use AdminWeb, :view

  The definitions below will be executed for every view,
  controller, etc, so keep them short and clean, focused
  on imports, uses and aliases.

  Do NOT define functions inside the quoted expressions
  below. Instead, define any helper function in modules
  and import those modules here.
  """

  def static_paths do
    ~w(css fonts images js favicon.ico robots.txt)
  end

  def controller do
    quote do
      use Phoenix.Controller, namespace: AdminWeb

      import Plug.Conn
      import AdminWeb.Gettext
      alias AdminWeb.Router.Helpers, as: Routes
      unquote(verified_routes())
    end
  end

  def view do
    quote do
      use Phoenix.View,
        root: "lib/admin_web/templates",
        pattern: "**/*",
        # Import convenience functions from controllers
        namespace: AdminWeb

      use Appsignal.Phoenix.View
      use Phoenix.Component

      import Phoenix.Controller, only: [get_flash: 1, get_flash: 2, view_module: 1]

      # Include shared imports and aliases for views
      unquote(view_helpers())
      unquote(verified_routes())
    end
  end

  def live_view do
    quote do
      use Phoenix.LiveView, layout: {AdminWeb.LayoutView, :live}

      unquote(view_helpers())
    end
  end

  def live_component do
    quote do
      use Phoenix.LiveComponent

      unquote(view_helpers())
    end
  end

  def router do
    quote do
      use Phoenix.Router

      import Plug.Conn
      import Phoenix.Controller
      import Phoenix.LiveView.Router
    end
  end

  def channel do
    quote do
      use Phoenix.Channel
      import AdminWeb.Gettext
    end
  end

  defp view_helpers do
    quote do
      # Use all HTML functionality (forms, tags, etc)
      use Phoenix.HTML

      # Import LiveView helpers (live_render, live_component, live_patch, etc)
      import Phoenix.Component

      # Import basic rendering functionality (render, render_layout, etc)
      import Phoenix.View

      import AdminWeb.ErrorHelpers
      import AdminWeb.Gettext
      alias AdminWeb.Router.Helpers, as: Routes
    end
  end

  @doc """
  When used, dispatch to the appropriate controller/view/etc.
  """
  defmacro __using__(which) when is_atom(which) do
    apply(__MODULE__, which, [])
  end

  def verified_routes do
    quote do
      use Phoenix.VerifiedRoutes,
        endpoint: AdminWeb.Endpoint,
        router: AdminWeb.Router,
        statics: AdminWeb.static_paths()
    end
  end
end

Recently I moved from 1.5.2 to 1.7.6 Phoenix. Renaming to .heex and and still continuing with view and templates and Have not moved to components

2

Can you show an example of at least one view module, please?

3 
defmodule AdminWeb.IncomingEmailView do
  use AdminWeb, :view

  def events(email) do
    Enum.sort_by(email.events, & &1.payload["timestamp"], :desc)
  end

  def prettify(%Date{} = date) do
    "#{two_chars(date.day)}-#{two_chars(date.month)}-#{date.year}"
  end

  def prettify(other), do: other

  def two_chars(n) do
    n
    |> Integer.to_string()
    |> String.pad_leading(2, "0")
  end
end
4

It appears that Phoenix.View is unavailable in runtime. If you didn’t add dependency with runtime: false, I’d suggest just rm -rf _build and try again.