Module build failed

[iqasim-com]

I am using npm
just following your instructions
running npm run build but its giving an error
Module build failed: BrowserslistError: Unknown browser query dead at Array.forEach (<anonymous>)

Full Error log
./src/content.css Module build failed: BrowserslistError: Unknown browser query dead`
at Array.forEach ()

npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! my-extension@0.1.0 build: node scripts/build.js
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the my-extension@0.1.0 build script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
`

[satendra02]

@mqasim1990 I found a StackOverflow thread regarding the same
https://stackoverflow.com/questions/52939103/browserslisterror-unknown-browser-query-dead-in-react-express-app

Hope this helps