'react-scripts' is not recognized as an internal or external command, operable program or batch file. error Command failed with exit code 1. code example

Example 1: react-scripts is not recognized as an internal command windows

//If you transfered Your Project from another machime or from github then just 
//Install react-scripts again !! 

//UP vote if it helped you !

npm i -g react-scripts

Example 2: 'react-scripts' n’est pas reconnu en tant que commande interne ou externe, un programme exécutable ou un fichier de commandes.

yarn upgrade
//or
npm update

Example 3: 'react-scripts' is not recognized as an internal or external command,

"scripts": {
  "build-css": "node-sass src/ -o src/",
  "build-js": "react-scripts build",
  "build": "npm run build-css && npm run build-js",
  "start-css": "npm run build-css && npm run build-css -- --watch --recursive",
  "start-js": "react-scripts start",
  "start": "npm-run-all -p start-css start-js",
  "test": "react-scripts test --env=jsdom",
  "eject": "react-scripts eject"
},

Example 4: 'react-scripts' is not recognized as an internal or external command, operable program or batch file. error Command failed with exit code 1. info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.

npm install

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Misc Example