title: What means "The app must be signed with a development identity" ?
body: <p>What means "The app must be signed with a development identity" ?
  but ipa it 's already signed from xcode...</p>
  
  <p>Appium is 1.4.8</p>
  
  <p>log:</p>
  
  <pre><code>[INST STDERR] Instruments Trace Error : Target failed to run: Permission to debug com.. was denied. The app must be signed with a development identity (e.g. iOS Developer).
  </code></pre>
  
  <p>What is wrong?</p>