Activity

Calling render with options only, such as render status: :not_found or render layout: 'admin', skips the action's helper method and looks for an ERB template instead. Without one, it raises ActionView::MissingTemplate:

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class ProductsController < ApplicationController
  def show
    render status: :not_found # MissingTemplate, though ProductsHelper#show exists
  end
end

Naming the action works around it: render :show, status: :not_found.