title: App getting crashed after updating in iPad
body: <p>I have submitted a new version of my app in appstore.</p>
  
  <p>When i updated my current version of the  app it is getting crashed.</p>
  
  <p>But,when i deleted the app and downloaded it again it works fine.</p>
  
  <p>Can anyone tell me what actually happens when we update an existing app without deleting it.</p>
  
  <p>Thanks in advance.</p>