Error: Bad state: No element when trying access child.routeName on builderChild

[carlosfiori]

I'm trying to access the route name in builderChild but I'm getting a bad state error.

Stack trace:

Restarted application in 54ms.
QR: Finding Match for /dash under root
QR: adding Route: Key: [0](/dash), Full Path: /dash to the navigator with Key: [-1](Root)
QR: Finding Match for / under path /dash
QR: adding Route: Key: [1](Home Page), Full Path: /dash/ to the navigator with Key: [3](/dash)
Error: Bad state: No element
dart-sdk/lib/_internal/js_dev_runtime/private/ddc_runtime/errors.dart 266:49  throw_
dart-sdk/lib/_internal/js_dev_runtime/private/js_array.dart 337:5             last]
packages/qlevar_router/src/controllers/qrouter_controller.dart 125:59         get currentRoute
packages/qlevar_router/src/routers/qrouter.dart 26:32                         get routeName
packages/ranked/routes/app_router.dart 11:32                                  <fn>
packages/qlevar_router/src/pages/page_creator.dart 137:21                     build
packages/qlevar_router/src/pages/page_creator.dart 121:51                     create
packages/qlevar_router/src/controllers/pages_controller.dart 23:32            add
dart-sdk/lib/_internal/js_dev_runtime/patch/async_patch.dart 45:50            <fn>
dart-sdk/lib/async/zone.dart 1660:54                                          runUnary
dart-sdk/lib/async/future_impl.dart 147:18                                    handleValue
dart-sdk/lib/async/future_impl.dart 767:44                                    handleValueCallback
dart-sdk/lib/async/future_impl.dart 796:13                                    _propagateToListeners
dart-sdk/lib/async/future_impl.dart 567:5                                     [_completeWithValue]
dart-sdk/lib/async/future_impl.dart 640:7                                     callback
dart-sdk/lib/async/schedule_microtask.dart 40:11                              _microtaskLoop
dart-sdk/lib/async/schedule_microtask.dart 49:5                               _startMicrotaskLoop
dart-sdk/lib/_internal/js_dev_runtime/patch/async_patch.dart 166:15           <fn>

Example code (click to expand):

```dart import 'package:flutter/material.dart'; import 'package:qlevar_router/qlevar_router.dart'; class App extends StatelessWidget { const App({super.key}); @override Widget build(BuildContext context) { return MaterialApp.router( routeInformationParser: const QRouteInformationParser(), routerDelegate: QRouterDelegate( AppRoutes().routes, initPath: '/dash', ), ); } } class AppRoutes { static const String homePage = 'Home Page'; final routes = [ QRoute.withChild( path: '/dash', builderChild: (child) { final routeName = child.routeName; return Scaffold( appBar: AppBar( title: Text(routeName), ), body: child, ); }, children: [ const QRoute( name: homePage, path: '/', builder: HomePage.new, ), ], ), ]; } class HomePage extends StatelessWidget { const HomePage({super.key}); @override Widget build(BuildContext context) { return const Center(child: Text('Home')); } } void main() { runApp(const App()); } ```