<p dir="auto"><a target="_blank" rel="noopener noreferrer nofollow" href="https://cloud.githubusercontent.com/assets/322175/22208681/545e3c26-e149-11e6-83cf-f7fc45988503.png"><img src="https://cloud.githubusercontent.com/assets/322175/22208681/545e3c26-e149-11e6-83cf-f7fc45988503.png" alt="basic html and html5 introduction to html5 elements freecodecamp" style="max-width: 100%;"></a></p>
<p dir="auto">Challenge <a href="http://beta.freecodecamp.com/en/challenges/basic-html-and-html5/introduction-to-html5-elements" rel="nofollow">introduction-to-html5-elements</a> has an issue.<br>
User Agent is: <code class="notranslate">Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu Chromium/55.0.2883.87 Chrome/55.0.2883.87 Safari/537.36</code>.<br>
Please describe how to reproduce this issue, and include links to screenshots if possible.</p>
<div class="highlight highlight-text-html-basic notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="

&lt;h2&gt;CatPhotoApp&lt;/h2&gt;
&lt;main&gt;
&lt;p&gt;Kitty ipsum dolor sit amet, shed everywhere shed everywhere stretching attack your ankles chase the red dot, hairball run catnip eat the grass sniff.&lt;/p&gt;
&lt;/main&gt;
"><pre class="notranslate"><span class="pl-kos">&lt;</span><span class="pl-ent">h2</span><span class="pl-kos">&gt;</span>CatPhotoApp<span class="pl-kos">&lt;/</span><span class="pl-ent">h2</span><span class="pl-kos">&gt;</span>
<span class="pl-kos">&lt;</span><span class="pl-ent">main</span><span class="pl-kos">&gt;</span>
<span class="pl-kos">&lt;</span><span class="pl-ent">p</span><span class="pl-kos">&gt;</span>Kitty ipsum dolor sit amet, shed everywhere shed everywhere stretching attack your ankles chase the red dot, hairball run catnip eat the grass sniff.<span class="pl-kos">&lt;/</span><span class="pl-ent">p</span><span class="pl-kos">&gt;</span>
<span class="pl-kos">&lt;/</span><span class="pl-ent">main</span><span class="pl-kos">&gt;</span></pre></div>
<p dir="auto">This has been reported before but the issue was closed with a link to a completely unrelated issue days ago, there are no currently open bug reports specifically addressing this issue.</p>
<h4 dir="auto">Challenge Name</h4>
<p dir="auto"><a href="http://beta.freecodecamp.com/en/challenges/basic-html-and-html5/introduction-to-html5-elements" rel="nofollow">Basic Html and Html5: Introduction to HTML5 Elements</a></p>
<h4 dir="auto">Issue Description</h4>
<p dir="auto">The challenge page is stuck in loading since the challenge framework code throws the following error:<br>
<a target="_blank" rel="noopener noreferrer nofollow" href="https://cloud.githubusercontent.com/assets/6125097/22155822/24cbce34-df31-11e6-8456-5c656eb47075.png"><img src="https://cloud.githubusercontent.com/assets/6125097/22155822/24cbce34-df31-11e6-8456-5c656eb47075.png" alt="react-error-basic-html" style="max-width: 100%;"></a><br>
The console shows the same error 44 times.</p>
<p dir="auto">Neither reloading, emptying of cache or disabling browser extensions helps.<br>
This affects Chrome as well as Firefox.</p>
<h4 dir="auto">Browser Information</h4>
<ul dir="auto">
<li>Browser Name, Version: Firefox 50.1.0 and Chrome 55.0.2883.87 (64-bit)</li>
<li>Operating System: Ubuntu 16.04</li>
<li>Mobile, Desktop, or Tablet: Desktop</li>
</ul>