Appwrite Login Issue login does not work

import 'dart:async';
import 'package:appwrite/models.dart';
import 'package:flutter/foundation.dart';
import 'package:appwrite/appwrite.dart';
import 'package:flutter_dotenv/flutter_dotenv.dart';
import 'package:servicescheinapp/constants/constants.dart';

enum AuthStatus {
  uninitialized,
  authenticated,
  unauthenticated,
}

// Helper class for the appwrite database
// connects to Database and Storage
class AppWriteAuth extends ChangeNotifier {
  Client client = Client();
  late final Account account;
  late User _currentUser;

  AuthStatus _status = AuthStatus.uninitialized;

  // Getter methods
  User get currentUser => _currentUser;
  AuthStatus get status => _status;
  String? get username => _currentUser?.name;
  String? get email => _currentUser?.email;
  String? get userid => _currentUser?.$id;

  AppWriteAuth() {
    init();
    loadUser();
  }

  init() async {
    await dotenv.load(fileName: "constants.env");
    String serverURL = dotenv.env['SERVER_URL']!;
    String apiEndpoint = 'v1';
    client
        .setEndpoint('$serverURL$apiEndpoint')
        .setProject(appwriteProjectID2)
        .setSelfSigned(status: true);
// For self signed certificates, only use for development
    account = Account(client);
    print('Initialization complete');
  }

  loadUser() async {
    try {
      final user = await account.get();
      _status = AuthStatus.authenticated;
      _currentUser = user;
    } catch (e) {
      _status = AuthStatus.unauthenticated;
    } finally {
      notifyListeners();
    }
  }

  Future<User> createUser(
      {required String email, required String password}) async {
    try {
      final user = await account.create(
          userId: ID.unique(), email: email, password: password);
      return user;
    } finally {
      notifyListeners();
    }
  }

  Future<Session> createEmailSession(
      {required String email, required String password}) async {
    try {
      final session = await account.createEmailPasswordSession(
          email: email, password: password);
      _currentUser = await account.get();
      _status = AuthStatus.authenticated;
      return session;
    } finally {
      notifyListeners();
    }
  }

  // check Authentication state
  Future<void> checkAuth() async {
    try {
      _currentUser = await account.get();
      // Logged in
      print('Logged in and authenticated');
      print('User: ${_currentUser.email}');
    } catch (e) {
      // Not logged in
      print('Not logged in');
      print('Error: $e');
    }
  }

  signOut() async {
    try {
      await account.deleteSession(sessionId: 'current');
      _status = AuthStatus.unauthenticated;
    } finally {
      notifyListeners();
    }
  }
}