Console Error on webpage - Javascript : <p>Hello if you go to my site and open up the developer tools I keep getting an error can anyone tell what might be causing that? </p>

<p>I can add more details if necessary just let me know.</p>

<p><a href="http://tommy2.bitballoon.com/" rel="nofollow noreferrer">http://tommy2.bitballoon.com/</a></p>

<p>Thanks,</p>

<p>Tom</p>
