npm run build throws error

[ghost]

npm run build throws this error:

Error: Path E:\angularjs\bower_components\OwlCarousel\dist\assets\owl.carousel.css not found!
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! [email protected] build: `gulp build`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the [email protected] build script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     \path\file.log

Which node version should i use? I got 9.6.0