Add graphql concerns to autoload path

config/application.rb

@@ -17,6 +17,6 @@ module PokemonTrade
     # Application configuration can go into files in config/initializers
     # -- all .rb files in that directory are automatically loaded after loading
     # the framework and any gems in your application.
-    config.autoload_paths.push("#{config.root}/app/services")
+    config.autoload_paths.push("#{config.root}/app/services", "#{config.root}/app/graphql/mutations/concerns")
   end
 end