<p dir="auto">Challenge <a href="http://beta.freecodecamp.com/challenges/bonfire-sorted-union" rel="nofollow">http://beta.freecodecamp.com/challenges/bonfire-sorted-union</a> has an issue. Please describe how to reproduce it, and include links to screenshots if possible.</p>
<p dir="auto">After solving Sorted Union, I clicked the option to go to the next challenge from the green success pop-up. This error was displayed.</p>
<p dir="auto"><a target="_blank" rel="noopener noreferrer nofollow" href="https://cloud.githubusercontent.com/assets/7513132/9211729/34d82ff6-4041-11e5-93a2-b2d30bc82d53.png"><img src="https://cloud.githubusercontent.com/assets/7513132/9211729/34d82ff6-4041-11e5-93a2-b2d30bc82d53.png" alt="screen shot 2015-08-11 at 3 53 21 pm" style="max-width: 100%;"></a></p>
<p dir="auto">It won't go to the next excercise after you done It right. It gives You a 404: We couldn't find a challenge with the name <code class="notranslate">undefined</code> Please double check the name.message</p>