Permission denied errno 126

Error :

`
sh: /Users/sushantshekhar/Work/learn_react/react_devslopes/react-ingredients/node_modules/.bin/watchify: Permission denied
npm ERR! code ELIFECYCLE
npm ERR! errno 126
npm ERR! react-skeleton@1.0.0 start: `watchify src/main.jsx -v -t [ babelify --presets [ react ] ] -o public/js/main.js`
npm ERR! Exit status 126
npm ERR!
npm ERR! Failed at the react-skeleton@1.0.0 start script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
`

the Start Script :

` "start": "watchify src/main.jsx -v -t [ babelify --presets [ react ] ] -o public/js/main.js" `