devise/omniauth - The action 'facebook' could not be found

I'm trying to implement facebook authentication in my app following this guide I've followed all the steps but get the following error after hitting login. Unknown action The action 'facebook' could not be found for Devise::OmniauthCallbacksController I've created the file omniauth_callbacks_controller in controllers/users. It has a facebook method defined. Any idea how I should debug? Adding my r

[kaz49]

omniauth-facebookをいれる場合はrouteにcallback先のコントローラを記述する