completed batch feature

lib/screens/accounts/account_provider.dart

@@ -23,6 +23,20 @@ class AccountProvider extends ChangeNotifier {
   bool get isLoadingStatement => _isLoadingStatement;
   String? get accountError => _accountError;
   String? get statementError => _statementError;
+  bool _isDisposed = false;
+
+  @override
+  void notifyListeners() {
+    if (!_isDisposed) {
+      super.notifyListeners();
+    }
+  }
+
+  @override
+  void dispose() {
+    _isDisposed = true;
+    super.dispose();
+  }
 
   Future<ApiResponse<AccountModel>> fetchAccount(String phoneNumber) async {
     _isLoadingAccount = true;