Exclude generators directory for autoload

config/application.rb

@@ -55,6 +55,6 @@ class Application < Rails::Application
     # Please, add to the `ignore` list any other `lib` subdirectories that do
     # not contain `.rb` files, or that should not be reloaded or eager loaded.
     # Common ones are `templates`, `generators`, or `middleware`, for example.
-    config.autoload_lib(ignore: %w[assets data tasks])
+    config.autoload_lib(ignore: %w[assets data generators tasks])
   end
 end