[ERROR] React Sass-loader 설정 커스터마이징 오류

[React] React Sass-loader 설정 커스터마이징 오류 'options has an unknown property 'prependData'. These properties are

React 공부를 책을 통해 하고 있던 도중 (출처: 벨로퍼트 리액트를 다루는 기술) utils.scss 파일을 불러올 때 현재 수정하고 있는 scss 파일 경로가 어디에 위치하더라도 앞부분에 상대 경로를 입력할

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[ERROR] Warning: ReactDOM.render is no longer supported in React 18. Use createRoot instead. Until you switch to the new API, your app will behave as if it's running React 17 (0)	2022.06.14
(ERROR) npm ERR! code ERESOLVE npm ERR! ERESOLVE unable to resolve dependency tree (0)	2022.05.27
(ERROR) Uncaught TypeError: undefined is not iterable (cannot read property Symbol(Symbol.iterator)) (0)	2022.05.21
(ERROR) fetch error No 'Access-Control-Allow-Origin' header is present on the requested resource (0)	2022.05.21
(ERROR) Uncaught Error: Too many re-renders. React limits the number of renders to prevent an infinite loop. (1)	2022.05.17

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