Comment 1 for bug 1419716

It seems external issue:

vagrant@vagrant-ubuntu-trusty-64:~/fuel-main$ npm install uglifyjs
npm http GET https://registry.npmjs.org/uglifyjs
npm http 404 https://registry.npmjs.org/uglifyjs
npm ERR! TypeError: Cannot read property 'latest' of undefined
npm ERR! at next (/usr/share/npm/lib/cache.js:687:35)
npm ERR! at /usr/share/npm/lib/cache.js:675:5
npm ERR! at saved (/usr/share/npm/node_modules/npm-registry-client/lib/get.js:142:7)
npm ERR! at /usr/lib/nodejs/graceful-fs/polyfills.js:133:7
npm ERR! at Object.oncomplete (fs.js:107:15)
npm ERR! If you need help, you may report this log at:
npm ERR! <http://github.com/isaacs/npm/issues>
npm ERR! or email it to:
npm ERR! <email address hidden>

npm ERR! System Linux 3.13.0-43-generic
npm ERR! command "/usr/bin/nodejs" "/usr/bin/npm" "install" "uglifyjs"
npm ERR! cwd /home/vagrant/fuel-main
npm ERR! node -v v0.10.25
npm ERR! npm -v 1.3.10
npm ERR! type non_object_property_load
npm ERR!
npm ERR! Additional logging details can be found in:
npm ERR! /home/vagrant/fuel-main/npm-debug.log
npm ERR! not ok code 0

Anyway checking