3주차 숙제를 하는 중인데 expo go 앱에서 처음보는 오류가 납니다. MainPage.js와 DetailPage.js, Card.js 모두 코드스니펫을 이용했습니다. 무엇이 문제인지 잘 모르겠습니다.
작성한 코드 및 에러 메세지
터미널엔 다음과 같은 오류 메시지가 뜹니다.
ReferenceError: Property 'useState' doesn't exist, js engine: hermes
at node_modules/react-native/Libraries/Core/ExceptionsManager.js:102:17 in reportException
at node_modules/react-native/Libraries/Core/ExceptionsManager.js:148:19 in handleException
at node_modules/react-native/Libraries/Core/setUpErrorHandling.js:24:39 in handleError
at node_modules/expo/build/errors/ExpoErrorManager.js:25:19 in errorHandler
at node_modules/expo/build/errors/ExpoErrorManager.js:30:24 in <anonymous>
at node_modules/@react-native/polyfills/error-guard.js:49:36 in ErrorUtils.reportFatalError
at node_modules/metro-runtime/src/polyfills/require.js:225:40 in guardedLoadModule
at node_modules/metro-runtime/src/polyfills/require.js:127:23 in metroRequire
Invariant Violation: "main" has not been registered. This can happen if:
* Metro (the local dev server) is run from the wrong folder. Check if Metro is running, stop it and restart it in the current project.
* A module failed to load due to an error and `AppRegistry.registerComponent` wasn't called., js engine: hermes
at node_modules/react-native/Libraries/Core/ExceptionsManager.js:102:17 in reportException
at node_modules/react-native/Libraries/Core/ExceptionsManager.js:148:19 in handleException
- ... 7 more stack frames from framework internals
