Can anyone let me know why am I getting this error?

[nicefellow1234]

C:\Users\Umair Shah Yousafzai\react-skeleton>npm start

> react-skeleton@1.0.0 start C:\Users\Umair Shah Yousafzai\react-skeleton 
> watchify src/main.jsx -v -t [ babelify --presets [ react ]] -o public/js/main.js

You MUST specify an outfile with -o.

npm ERR! Windows_NT 10.0.10240
npm ERR! argv "C:\Program Files\nodejs\node.exe" "C:\Program Files\nodejs\node_modules\npm\bin\npm-cli.js" "start"
npm ERR! node v6.2.0
npm ERR! npm  v3.8.9
npm ERR! code ELIFECYCLE
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 1
npm ERR!
npm ERR! Failed at the react-skeleton@1.0.0 start script 'watchify src/main.jsx -v -t [ babelify --presets [ react ]] -o public/js/main.js'.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, this is most likely a problem with the react-skeleton package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     watchify src/main.jsx -v -t [ babelify --presets [ react ]] -o public/js/main.js
npm ERR! You can get information on how to open an issue for this project with:
npm ERR!     npm bugs react-skeleton
npm ERR! Or if that isn't available, you can get their info via:
npm ERR!     npm owner ls react-skeleton
npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request:
npm ERR!     C:\Users\Umair Shah Yousafzai\react-skeleton\npm-debug.log

[kentor]

[ babelify --presets [ react ]] -> [ babelify --presets [ react ] ]