Create a file named as 'Dashboard.dart' in LibFolder and paste following code: Please, support my blog by clicking on our sponsors ad! import 'package:flutter/material.dart'; import 'package:flutter/scheduler.dart'; import 'package:myfirstproject/RideDetail.dart'; import 'package:myfirstproject/ViewModels/locationviewmodel.dart'; import 'package:myfirstproject/cards/location_card.dart'; import 'package:provider/provider.dart'; import 'common/constants.dart'; import 'package:font_awesome_flutter/font_awesome_flutter.dart'; import 'common/bottomnavigationbar.dart'; class Dashboard extends StatefulWidget { const Dashboard({Key? key}) : super(key: key); @override DashboardState createState() => DashboardState(); } class DashboardState extends State { final LocationViewModel locationViewModel = LocationViewModel(); @override void initState() { locationViewModel.GetData();