How to install laravel project demo5? And How to fix this error when install?

When I run it: npm run dev
I get errors:[webpack-cli] Error: Cannot find module 'replace-in-file-webpack-plugin'
How to do fix it?

Hi Long,

Have you run the command of "npm install" before building it.

Please check this docs for more information.

https://preview.keenthemes.com/metronic8/laravel/documentation/getting-started/build

Thanks

Metronic