How to solve error ?

import 'dart:convert';
import 'dart:math' as math;

import 'package:flutter/material.dart';
import 'package:google_fonts/google_fonts.dart';
import 'package:intl/intl.dart';
import 'package:timeago/timeago.dart' as timeago;
import '/flutter_flow/custom_functions.dart';
import '/flutter_flow/lat_lng.dart';
import '/flutter_flow/place.dart';
import '/flutter_flow/uploaded_file.dart';
import '/backend/backend.dart';
import 'package:cloud_firestore/cloud_firestore.dart';
import '/backend/schema/structs/index.dart';
import '/auth/custom_auth/auth_util.dart';

/// get date 2025-05-01 00:00:00 and return Tue, 1 May 2025
String convertDatefromISO(String? input) {
  /// MODIFY CODE ONLY BELOW THIS LINE

  // Parse the input date string to DateTime object
  final DateTime date = DateTime.parse(input!);

  // Format the date using intl
  final DateFormat formatter = DateFormat('EEE, d MMM yyyy');
  return formatter.format(date);

  /// MODIFY CODE ONLY ABOVE THIS LINE
}