Unable to process the return parameter

import 'package:http/http.dart' as http;

Future<Map<String, dynamic>> pingDemoAccu360() async {
  final url = Uri.parse('https://demo.accu360.co.in');

  try {
    // Send a GET request to check if the server is reachable
    final response = await http.get(url);

    // Check if the response status is 200 (OK)
    if (response.statusCode == 200) {
      // If the server responds successfully, return success in the FlutterFlow-compatible format
      return {
        'status': 'success',
        'message': 'Ping is success',  // Return the success message
      };
    } else {
      // If the server responds with an error, return the error status and message
      return {
        'status': 'error',
        'message': 'Failed to ping: ${response.statusCode}',  // Return the error message with the status code
      };
    }
  } catch (e) {
    // If there's an exception (e.g., no network), catch the error
    return {
      'status': 'error',
      'message': 'An error occurred: $e',  // Return the error message
    };
  }
}