CodeyOverflow Forum not rendering

It’s not rendering anything and I dont’ know why. CodeyOverflow Forum https://www.codecademy.com/courses/react-101/projects/codey-overflow-forum

App.js

import React from 'react';
import {comments} from './commentData';
import Card from './Card';

function App() {
  return (
    <div>
     {
      comments.map(comment =>
      <Card commentObject={comment}/>
      )
    } 
    </div>
  )
}

export default App;type or paste code here

Card.js

import React from 'react';
import Header from "./Header";
import Body from './Body';

function Card(props) {
  return (
    <>
    <Header profileImg = {props.commentObject.profileImg} username= {props.commentObject.username} />
    <Body comment= {props.commentObject.comment} />
    </>
  )
}

export default Card;

Head.js

import React from 'react';

function Header(props){
return (
  <>
  <img src={props.profileImg}/>
  <h1>{props.username}</h1>
  </>
)
}

export default Header;

Body.js

import React from 'react';

function Body(props) {
  return (
    <>
    <p>{props.comment}</p>
    </>
  )
}

export default Body;

index.js

import React from 'react';
import {createRoot} from 'react-dom/client';
import App from './App';

createRoot(
  document.getElementById('app')
  ).render(<App />);

commentData.js

export const comments = [
  {
    profileImg: 'https://images.unsplash.com/photo-1609992556706-14a7056ea745?ixlib=rb-4.0.3&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=1287&q=80',
    username: 'ScrungeCat',
    comment: 'My favorite types of cats are slightly weird looking ones!'
  },
  {
    profileImg: 'https://images.unsplash.com/photo-1615751072497-5f5169febe17?ixlib=rb-4.0.3&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=1335&q=80',
    username: 'ChewToy',
    comment: 'I don\'t like cats at all.'
  },
  {
    profileImg: 'https://images.unsplash.com/photo-1563482776068-4dac10f9373d?ixlib=rb-4.0.3&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=1170&q=80',
    username: 'BuryHeadInSand',
    comment: 'Wild ostriches make the best pets.'
  }
]