Download Started then Failed

Hi guys!

I asked ChatGPT to generate the following code to allow users to tap a widget button and then save a PDF from a URL locally on their devices.

The download starts normally but is shortly followed by a "Failed" message.

ChatGPT told me that the code seems all right, so what are the issues here, guys?

// Automatic FlutterFlow imports
import '/backend/backend.dart';
import '/flutter_flow/flutter_flow_theme.dart';
import '/flutter_flow/flutter_flow_util.dart';
import '/custom_code/actions/index.dart'; // Imports other custom actions
import '/flutter_flow/custom_functions.dart'; // Imports custom functions
import 'package:flutter/material.dart';
// Begin custom action code
// DO NOT REMOVE OR MODIFY THE CODE ABOVE!

// Importe os pacotes necessários
import 'package:flutter_downloader/flutter_downloader.dart';

Future<void> downloadPdf() async {
  final String pdfUrl = 'https://www.family-action.org.uk/content/uploads/2019/07/meals-more-recipes.pdf';

  final taskId = await FlutterDownloader.enqueue(
    url: pdfUrl,
    savedDir: 'Download/',
    showNotification: true,
    openFileFromNotification: true,
  );

  FlutterDownloader.registerCallback((id, status, progress) {
    // Adicione o código de acompanhamento do download, se necessário
  });
}

void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await FlutterDownloader.initialize(
    debug: true, // configurar para false em produção
  );

  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: MyPDFDownload(),
    );
  }
}

class MyPDFDownload extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('PDF Download Example'),
      ),
      body: Center(
        child: ElevatedButton(
          onPressed: downloadPdf,
          child: Text('Download PDF'),
        ),
      ),
    );
  }
}