Yeoman Angular-fullstack errors

I'm attempting to install the Yeoman Angular-fullstack but when I run grunt I get the folowing errors:

WARN [plugin]: Error during loading "/Users/mac/mcoseo8/node_modules/karma-jade-preprocessor" plugin:
Cannot find module 'character-parser' WARN [plugin]: Error during loading "/Users/mac/mcoseo8/node_modules/karma-phantomjs-launcher" plugin:
Cannot find module 'which'
INFO [karma]: Karma v0.12.23 server started at http://localhost:8080/
WARN [launcher]: Can not load "PhantomJS", it is not registered!
Perhaps you are missing some plugin?
WARN [watcher]: Pattern "/Users/mac/mcoseo8/client/bower_components/angular-route/angular-route.js" does not match any file.
WARN [watcher]: Pattern "/Users/mac/mcoseo8/client/app/app.coffee" does not match any file.
WARN [watcher]: Pattern "/Users/mac/mcoseo8/client/app//.coffee" does not match any file.
WARN [watcher]: Pattern "/Users/mac/mcoseo8/client/components/
/.coffee" does not match any file.
WARN [watcher]: Pattern "/Users/mac/mcoseo8/client/app//.jade" does not match any file.
WARN [watcher]: Pattern "/Users/mac/mcoseo8/client/components/
/.jade" does not match any file.

I appreciate whatever help you can offer.