Routing Error uninitialized constant Users

Question

I am a rails newbie... I am trying to set up Sign in with facebook for a demo app. I am using OmniAuth and following this tutorial

https://github.com/plataformatec/devi

Answer 1

mv

app/controllers/omniauth_callbacks_controller.rb

to

app/controllers/users/omniauth_callbacks_controller.rb

or change

class Users::OmniauthCallbacksController < Devise::OmniauthCallbacksController

to

class OmniauthCallbacksController < Devise::OmniauthCallbacksController