title: UICollectionView Error in converting ios 6 to ios 7
body: <p>Here I have developed the app in IOS6, when I open the App in IOS 7 with Xcode 5 In Collectionview errors are throwing</p>
  
  <pre><code>file://localhost/Users/asaraa/Documents/IOS/Projects/Asaraa/Embassy/UI-Changed/Washington/IOS7/20130918/Mphasis/RootviewController.xib: 
      error: Class Unavailable: UICollectionView on iOS versions prior to 6.0
  </code></pre>
  
  <p>How can i resolve this error, Could any body help me please</p>