Error substate with classic paths

error.hbs

<p>error.hbs</p>

router.js

import Ember from 'ember';
import config from './config/environment';

const Router = Ember.Router.extend({
  location: 'none'
});

Router.map(function() {
  this.route('root', {path: '/'});
});

export default Router;

routes.root.js

import Ember from 'ember';

export default Ember.Route.extend({
  model() {
    return Ember.RSVP.reject({error: "KPOW!"});
  },
});

templates.application.hbs

<h1>templates/application.hbs</h1>

{{outlet}}

templates.root.hbs

<p>templates/root.hbs</p>

twiddle.json

{
  "version": "0.6.4",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.4.1/ember.debug.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/2.4.0/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.4.1/ember-template-compiler.js"
  }
}