작성한 코드 및 에러 메세지

import { StatusBar } from 'expo-status-bar';

import React from 'react';

import { StyleSheet, Text, View } from 'react-native';

export default function App() {

  return (

    <View style={styles.container}>

      <View style={styles.subContainerOne}></View>

      <View style={styles.subContainerTwo}></View>

    </View>

  );

}

const styles = StyleSheet.create({

  container: {

    flex: 1,

    backgroundColor: '#fff',

  },

  subContainerOne: {

    flex:1,

    backgroundColor:"yellow"

  },

  subContainerTwo: {

    flex:1,

    backgroundColor:"green"

  }

});