npm start시 에러 ERR_PACKAGE_PATH_NOT_EXPORTED

[김태호]

react 2번째 강의에서 리액트 미리보기 화면이 뜨질않습니다 

localhost:3000도 연결이 안되구요

송구스럽지만 도와주세요!!

PS C:\Users\HAPPY\Desktop\dev\blog> npm start

> blog@0.1.0 start
> react-scripts start

node:internal/modules/cjs/loader:488
throw e;
^

Error [ERR_PACKAGE_PATH_NOT_EXPORTED]: Package subpath './lib/tokenize' is not defined by "exports" in C:\Users\HAPPY\Desktop\dev\blog\node_modules\postcss-safe-parser\node_modules\postcss\package.json
at new NodeError (node:internal/errors:371:5)
at throwExportsNotFound (node:internal/modules/esm/resolve:416:9)
at packageExportsResolve (node:internal/modules/esm/resolve:669:3)
at resolveExports (node:internal/modules/cjs/loader:482:36)
at Function.Module._findPath (node:internal/modules/cjs/loader:522:31)
at Function.Module._resolveFilename (node:internal/modules/cjs/loader:919:27)
at Function.Module._load (node:internal/modules/cjs/loader:778:27)
at Module.require (node:internal/modules/cjs/loader:999:19)
at require (node:internal/modules/cjs/helpers:102:18)
at Object.<anonymous> (C:\Users\HAPPY\Desktop\dev\blog\node_modules\postcss-safe-parser\lib\safe-parser.js:1:17) {
code: 'ERR_PACKAGE_PATH_NOT_EXPORTED'

[codingapple]

npm run start 를 입력해봅시다

안되면 설치가 잘 안된것이 분명하니 프로젝트 지우고 다시 한번 설치하시면 됩니다

[글쓴이]

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