Hello

I have a web app that I am trying to view on localhost3000. Thefront end is react js and backend is nodejs and firebase.

I am using npm start but get these errors

> www@0.1.0 start C:myprojectwww
> react-scripts start

'react-scripts' is not recognized as an internal or externalcommand,
operable program or batch file.
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! www@0.1.0 start: `react-scripts start`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the www@0.1.0 start script.
npm ERR! This is probably not a problem with npm. There is likelyadditional logging output above.
npm WARN Local package.json exists, but node_modules missing, didyou mean to install?

How can I fix this and view my web page?