title: target specifies product type 'com.apple.product-type.app-extension', but there's no such product type for the 'iphoneos' platform
body: <p>Error:</p>
  <blockquote>
  <p>target specifies product type 'com.apple.product-type.app-extension', but there's no such product type for the 'iphoneos' platform</p>
  </blockquote>
  <p>This may be not so hard to fix. However, this is Apple's new iOS8 extensibility feature and my app is supposed to run on iOS7 as well. I've created the extension using XCode6 beta but now I can't run my app on the device with iOS7 on it.</p>