npm start 에러

에러 내용 

> my-letter@0.1.0 start
> react-scripts start

node:internal/modules/cjs/loader:452
      throw err;
      ^

Error: Cannot find module 'C:\Users\andan\OneDrive\바탕 화면\리덕스청크프로젝트\react_letter\node_modules\isexe\index.js'. Please verify that the package.json has a valid "main" entry
    at tryPackage (node:internal/modules/cjs/loader:444:19)
    at Module._findPath (node:internal/modules/cjs/loader:715:18)
    at Module._resolveFilename (node:internal/modules/cjs/loader:1130:27)
    at Module._load (node:internal/modules/cjs/loader:985:27)
    at Module.require (node:internal/modules/cjs/loader:1235:19)
    at require (node:internal/modules/helpers:176:18)
    at Object.<anonymous> (C:\Users\andan\OneDrive\바탕 화면\리덕스청크프로젝트\react_letter\node_modules\which\which.js:7:15)
    at Module._compile (node:internal/modules/cjs/loader:1376:14)
    at Module._extensions..js (node:internal/modules/cjs/loader:1435:10)
    at Module.load (node:internal/modules/cjs/loader:1207:32) {
  code: 'MODULE_NOT_FOUND',
  path: 'C:\\Users\\andan\\OneDrive\\바탕 화면\\리덕스청크프로젝트\\react_letter\\node_modules\\isexe\\package.json',
  requestPath: 'isexe'
}

 

solve 

https://stackoverflow.com/questions/53545800/internal-modules-cjs-loader-js582-throw-err

"internal/modules/cjs/loader.js:582 throw err"

 

[ 1 ]  node_modules ,  package-lock.json 파일을 제거합니다. 

 

[2]  npm  install 로  재설치 해줍니다. 

 

[3]  npm start를 하면 되는것을 보실 수 있음니다.