Ember Fundamentals - Your first Route

Exercise Questions
1

This topic is for the [Your first Route] exercise in the [Ember Fundamentals] trail. Post any questions, corrections, or pointers you have to share with other Upcase subscribers.
[Your first Route]: https://exercises.upcase.com/exercises/your-first-route
[Ember Fundamentals]: Ember Fundamentals (Under Development) | Online Tutorial by thoughtbot

2

I’m using Node 0.12.x. bin/setup was running fine. However, I got the following error when starting the server:

A new version of ember-cli is available (2.6.0). To install it, type ember update.
Could not find watchman, falling back to NodeWatcher for file system events.
Visit http://www.ember-cli.com/#watchman for more info.
Livereload server on port 35729
Serving on http://localhost:4200/
ENOENT, no such file or directory 'node_modules/ember-cli-ic-ajax/node_modules/'
Error: ENOENT, no such file or directory 'node_modules/ember-cli-ic-ajax/node_modules/'
    at Error (native)
    at Object.fs.readdirSync (fs.js:761:18)
    at /Users/apraditya/Projects/upcase-courses/ember-trail/your-first-route/node_modules/broccoli-merge-trees/index.js:32:21
    at Array.map (native)
    at mergeRelativePath (/Users/apraditya/Projects/upcase-courses/ember-trail/your-first-route/node_modules/broccoli-merge-trees/index.js:30:29)
    at /Users/apraditya/Projects/upcase-courses/ember-trail/your-first-route/node_modules/broccoli-merge-trees/index.js:23:5
    at lib$rsvp$$internal$$tryCatch (/Users/apraditya/Projects/upcase-courses/ember-trail/your-first-route/node_modules/rsvp/dist/rsvp.js:493:16)
    at lib$rsvp$$internal$$invokeCallback (/Users/apraditya/Projects/upcase-courses/ember-trail/your-first-route/node_modules/rsvp/dist/rsvp.js:505:17)
    at lib$rsvp$$internal$$publish (/Users/apraditya/Projects/upcase-courses/ember-trail/your-first-route/node_modules/rsvp/dist/rsvp.js:476:11)
    at lib$rsvp$asap$$flush (/Users/apraditya/Projects/upcase-courses/ember-trail/your-first-route/node_modules/rsvp/dist/rsvp.js:1198:9)