App crashes on iOS 8.4
<p>The app runs perfect on iOS 9.3 however when I try to run it on iOS 8.4 it crashes. It seems like it's crashing on the stuff I've linked up interface builder. Everything however is referenced to and since its runs fine on iOS 9.3 I know nothing is nil. </p>

<p><a href="https://i.stack.imgur.com/IDSoG.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/IDSoG.png" alt="enter image description here"></a></p>