I've been dealing with the React Native for a short time, I got such an error and I can't solve it, I would be very happy if someone could help.
I think the problem is caused by the syntax or the AsyncStorage.
import React from "react";import { StyleSheet, } from "react-native";import { NavigationContainer } from "@react-navigation/native";import { createNativeStackNavigator } from "@react-navigation/native-stack";import { StatusBar } from "expo-status-bar";import Login from './screens/Login';import AskTesti from "./screens/AskTesti";import AskTestiSakası from "./screens/AskTestiSakası";import KarakterTesti from "./screens/KarakterTesti";import KendiAskTesti from "./screens/KendiAskTesti";import AskTestiDetay from "./screens/AskTestiDetay";import KarakterDetay from "./screens/KarakterDetay";import { useCallback, useEffect, useState } from 'react';import * as SplashScreen from 'expo-splash-screen';import Appintro from '/Users/alperenbulut/Desktop/asktesti/screens/Appintro.js';import AsyncStorage from "@react-native-async-storage/async-storage";const Stack = createNativeStackNavigator();export default function App () { const [appIsReady, setAppIsReady] = useState(false); useEffect(() => { async function prepare() { try { await new Promise(resolve => setTimeout(resolve, 1000)); } catch (e) { console.warn(e); } finally { setAppIsReady(true); } } prepare(); }, []); const onLayoutRootView = useCallback(async () => { if (appIsReady) { await SplashScreen.hideAsync(); } }, [appIsReady]); if (!appIsReady) { return null; }} // ayrım noktası const [isFirstLaunch, setIsFirstLaunch] = React.useState(null); useEffect(() => { AsyncStorage.getItem('alreadyLaunched').then(value => { if(value == null){ AsyncStorage.setItem('alreadyLaunched', 'true'); setIsFirstLaunch(true); } else { setIsFirstLaunch(false); } }); },[]); if (isFirstLaunch === null ) { return null; } else if (isFirstLaunch === true ) { return (<NavigationContainer><StatusBar style='light'/><Stack.Navigator screenOptions={{ headerTintColor: 'white', headerShown: false, headerStyle: { backgroundColor: '#040f2d' }, }}><Stack.Screen name='Appintro' component={Appintro} options={{headerTitle:'' }} /><Stack.Screen name='Login' component={Login} options={{headerTitle:'' }} /><Stack.Screen name='AskTesti' component={AskTesti} options={{headerTitle: ''} } /><Stack.Screen name='AskTestiSakası' component={AskTestiSakası}options={{headerTitle: ''}}/><Stack.Screen name='KarakterTesti' component={KarakterTesti}options={{headerTitle: ''}} /><Stack.Screen name='KarakterDetay' component={KarakterDetay} options={{headerTitle: ''}} initialParams={{isim:''}} /><Stack.Screen name='KendiAskTesti' component={KendiAskTesti}options={{headerTitle: ''}}/><Stack.Screen name='AskTestiDetay' component={AskTestiDetay} options={{headerTitle: ''}} initialParams={{firstname: '', secondname: '', yorum:''}} /></Stack.Navigator></NavigationContainer> ); } else { return <Login/>; }const styles = StyleSheet.create({ ads:{ width:'100%', height:50, backgroundColor:'#C7C7C7', justifyContent:'center', alignContent:'center', alignItems:'center', }});Here is my code screenshot