getting error when trying to npm run build.

@coreui/coreui-free-bootstrap-admin-template@4.2.2 build
npm run build-from-html

@coreui/coreui-free-bootstrap-admin-template@4.2.2 build-from-html
npm i npm-run-all clean --parallel css js copy --sequential build-vendors

npm ERR! code E404
npm ERR! 404 Not Found - GET https://registry.npmjs.org/build-vendors - Not found
npm ERR! 404
npm ERR! 404 'build-vendors@*' is not in this registry.
npm ERR! 404
npm ERR! 404 Note that you can also install from a
npm ERR! 404 tarball, folder, http url, or git url.