de>loading</code> substate, on a thrown error or rejected promise returned
from the <code>articles.overview</code> route's <code>model</code> hook (or <code>beforeModel</code> or
<code>afterModel</code>) Ember will look for an error template or route in the following
order:</p>
<ol>
<li><code>articles.overview-error</code></li>
<li><code>articles.error</code> or <code>articles-error</code></li>
<li><code>error</code> or <code>application-error</code></li>
</ol>
<p>If one of the above is found, the router wi