React Native-路线'...'的组件必须是React组件

Question

您好，我正在尝试使用带标签栏的屏幕，但由于错误阻止了我，因此无法继续操作。我知道我确实正确地遵循了一些教程，但是就我而言，它没有用。

错误： Screen_Shot

目标用户界面：

Tab Bar => Ordering (screen) => Category (screen)
           Settlement (screen)
           Pending (screen)

代码：

import Login from './src/component/screens/Login';
import tables from './src/component/screens/tables';
import Category from './src/component/screens/Category';
import Dishes from './src/component/screens/Dishes';
import Settlement from './src/component/screens/Settlement';
import Pending from './src/component/screens/Pending';
import SendingShit from './src/component/screens/SendingShit';

export default class App extends Component{
  render() {
    return (
      <Root />
    );
  }
}
const TabNav = createBottomTabNavigator (
  {
    uggh    : { screen: Kaartihan },       // The problem is here
    Settlement  : { screen: Settlement },
    Pending     : { screen: Pending },
  }
);
const Kaartihan = StackNavigator (
  {
    Ordering    : { screen: tables },
    Category    : { screen: Category },
  }
);
const Root = StackNavigator (
  {
    Login           : { screen: Login },
    Tabs            : { screen: TabNav },
    Dishes          : { screen: Dishes },
    SendingShit     : { screen: SendingShit }
  }
);

Answer 1

Kaartihan未初始化。尝试将Kaartihan放在TabNav之前