React Relay refs Violation

AppHomeRoute.js

import Relay from 'react-relay';

export default class extends Relay.Route {
  static path = '/';
  static queries = {
    game: (Component) => Relay.QL`
      query {
        game {
          ${Component.getFragment('game')},
        },
      }
    `,
  };
  static routeName = 'AppHomeRoute';
}

Application.js

import React from 'react';
import Relay from 'react-relay';

class Application extends React.Component {
  render() {
    return (
      <div>
        Hello World!
      </div>
    );
  }
}

export default Relay.createContainer(Application, {
  fragments: {
    game: () => Relay.QL`
      fragment on Game {
        turnsRemaining
      }
    `
  }
});

index.js

import React from 'react';
import ReactDOM from 'react-dom';
import Relay from 'react-relay';
import AppHomeRoute from './routes/AppHomeRoute';
import Application from './components/Application';

class Root extends React.Component {
  render() {
    return (
      <Relay.RootContainer 
        Component={ Application }
        route={ new AppHomeRoute() }
      />
    );
  }
}

ReactDOM.render(
  <Root />,
  document.getElementById('container')
);