Ошибка при загрузке mobx-react как UMD из CDN

const { observer } = mobxReact;

const App = observer(() => <div>Example</div>);

ReactDOM.render(<App />, document.getElementById("root"));

<script src = "https://cdnjs.cloudflare.com/ajax/libs/react/17.0.1/umd/react.production.min.js"></script>
<script src = "https://cdnjs.cloudflare.com/ajax/libs/react-dom/17.0.1/umd/react-dom.production.min.js"></script>
<script src = "https://cdn.jsdelivr.net/npm/mobx@6.0.4/dist/mobx.umd.production.min.js"></script>
<script src = "https://cdn.jsdelivr.net/npm/mobx-react-lite@3.1.6/dist/mobxreactlite.umd.production.min.js"></script>
<script src = "https://cdn.jsdelivr.net/npm/mobx-react@7.0.5/dist/mobxreact.umd.production.min.js"></script>

<div id = "root"></div>