I am getting deployment failure due to go_router pkg. Here the error.
[91mTarget dart2js failed: Exception: /root/.pub-cache/hosted/pub.dev/go_router-3.1.1/lib/src/go_router.dart:22:44: Step #0 - "docker-build": Error: The class 'NavigatorObserver' can't be used as a mixin because it isn't a mixin class nor a mixin. Step #0 - "docker-build": class GoRouter extends ChangeNotifier with NavigatorObserver
I am getting is from today only.
Any help appreciated.