- 참고 블로그 : https://velog.io/@ohgoodkim/-에러노트-Cant-perform-a-React-state-update-on-an-unmounted-component
에러 메세지 : Warning: Can't perform a React state update on an unmounted component. This is a no-op, but it indicates a memory leak in your application. To fix, cancel all subscriptions and asynchronous tasks in a useEffect cleanup function.