title: bundle is invalid. not accepting applications built with this version of the sdk
body: <p>i am looking for a way to upload/validate an app for ios. i am using xcode 4.2 and latest ios sdk is iOS 5. but i got the message:</p>
  
  <blockquote>
    <p>bundle is invalid. not accepting applications built with this version
    of the sdk</p>
  </blockquote>
  
  <p>what may be the reason? any ideas?</p>
  
  <p><strong>[update]</strong> deployment target: 4.3</p>