XCode - Thread 1: EXC_BAD_ACCESS After OS Upgrade : <p>Before I upgraded my Macbook to Sierra 10.12.2, my application was running perfectly on Xcode, however, now I am getting some weird errors. How can I overcome this issue?  </p>

<p><a href="https://i.stack.imgur.com/bnqap.jpg" rel="nofollow noreferrer">main file</a></p>

<p><a href="https://i.stack.imgur.com/z3LRu.jpg" rel="nofollow noreferrer">UIApplicationMain file</a></p>
