login with provider in personal room

app/controllers/landing_controller.rb

@@ -28,7 +28,7 @@ class LandingController < ApplicationController
   helper_method :admin?
 
   private
-  
+
   def render_meeting
     @resource = params[:resource]
     @meeting_token = params[:id] || @meeting_token = helpers.new_meeting_token
@@ -42,6 +42,7 @@ class LandingController < ApplicationController
     @user = User.find_by(username: @meeting_token)
     if @user.nil?
       redirect_to root_path
+      return
     end
     render :action => 'room'
   end

app/controllers/users_controller.rb

@@ -21,7 +21,7 @@ class UsersController < ApplicationController
     def set_user
       @user = User.find(params[:id])
       if @user.username
-        raise ActionController::RoutingError.new('Not Found')
+        render 'errors/error'
       end
     end