Fix unauthenticated route

config/routes.rb

@@ -89,7 +89,7 @@ Rails.application.routes.draw do
     end
 
     unauthenticated do
-      root 'devise/sessions#new', as: :unauthenticated_root
+      root 'visitors#index', as: :unauthenticated_root
     end
   end
   root to: 'visitors#index'