how to resolve this warning and cause of this warning my sitemap is not getting any new route

[Piyush903]

Warning [Layout children]: Too many screens defined. Route "more/product" is extraneous. flow is like this

app/
  (auth)
    login.js
    (tabs)
      _layout.js <- with Tabs
      home/
        index.js <- will be presented with tabs
       _layout.js <- with Stack
      more/
           item.js
           checkserial.js
           serialdata.js
           product.js
         _layout.js <- with Stack

and cause of this warning product.js is not even getting in _sitemap expo-router version 1.5.3