Registration problem

gistfile1.txt

class Users::RegistrationsController < Devise::RegistrationsController

  before_filter :configure_permitted_parameters


  def create
    build_resource(sign_up_params)

    resource.save
    yield resource if block_given?
    if resource.persisted?
      if resource.active_for_authentication?
        sign_up(resource_name, resource)
        MandrillDeviseMailer.new_registration(resource).deliver
        respond_with resource, location: after_sign_up_path_for(resource)
      else
        set_flash_message! :notice, :"signed_up_but_#{resource.inactive_message}"
        expire_data_after_sign_in!
        respond_with resource, location: after_inactive_sign_up_path_for(resource)
      end
    else
      clean_up_passwords resource
      set_minimum_password_length
      respond_with resource, location: new_user_registration_url
    end
  end
  ....
end


  devise_for :users,
   path: "",
   path_names: {
    sign_in: "login",
    sign_out: "logout",
    sign_up: "signup"
   },
   controllers: {
    omniauth_callbacks: 'users/omniauth_callbacks',
    registrations: "users/registrations",
    sessions: "users/sessions"
  }