```ruby
# frozen_string_literal: true

require "action_pack"
require "active_support/rails"
require "active_support/i18n"

module AbstractController
  extend ActiveSupport::Autoload

  autoload :Base
  autoload :Caching
  autoload :Callbacks
  autoload :Collector
  autoload :DoubleRenderError, "abstract_controller/rendering"
  autoload :Helpers
  autoload :Logger
  autoload :Rendering
  autoload :Translation
  autoload :AssetPaths
  autoload :UrlFor

  def self.eager_load!
    super
    AbstractController::Caching.eager_load!
  end
end
```

Add autoload hook for AbstractController::ActionNotFound
user
```ruby
# frozen_string_literal: true

require "action_pack"
require "active_support/rails"
require "active_support/i18n"

module AbstractController
  extend ActiveSupport::Autoload

  autoload :ActionNotFound, "abstract_controller/base"
  autoload :Base
  autoload :Caching
  autoload :Callbacks
  autoload :Collector
  autoload :DoubleRenderError, "abstract_controller/rendering"
  autoload :Helpers
  autoload :Logger
  autoload :Rendering
  autoload :Translation
  autoload :AssetPaths
  autoload :UrlFor

  def self.eager_load!
    super
    AbstractController::Caching.eager_load!
  end
end
```
assistant