title: iOS App Crashing on launch when users updated to iOS 13.6
body: <p>I have an iOS app in the store written in Swift that seemed to be working fine for the last 2 years. However, in the recent past, users reported that the app was crashing after they updated to iOS 13.5.1.</p>
  <p>During this time, several other notable apps like Spotify, Pinterest, Tiktok ad Instagram were crashing as well due to some Facebook SDK bug which they claimed to have fixed.</p>
  <p>None the less, I removed the Facebook SDK from the app and resubmitted the app as an update hoping to fix this issue.</p>
  <p>Users have installed the new updated and some users have even updated to iOS 13.6. A few users have reported crashes again on app launch.</p>
  <p>The problem is I am unable to reproduce the crash on a device or a simulator.</p>
  <p>I was wondering and hoping someone ran into this issue and has any ideas on how to resolve this ?</p>
  <p><strong>Edit</strong></p>
  <p>Here are the crash logs I see from the app store after the advice from Benjamin below: <a href="https://pastebin.com/BPbn77T8" rel="nofollow noreferrer">https://pastebin.com/BPbn77T8</a> - when I click open in project: <a href="http://prntscr.com/tpnxp1" rel="nofollow noreferrer">http://prntscr.com/tpnxp1</a> - it leads me to this line of code in the project</p>
  <pre><code>let classification  = aDecoder.decodeObject(forKey: &quot;classification&quot;) as! String
  </code></pre>
  <p>I know it is not a lot of code to work with but this issue never occurred before the latest iOS 13.4 update that I know off.</p>
  <p>Thanks</p>