title: Xcode error: Code signing is required for product type 'Application' in SDK 'iOS 10.0'
body: <p>I have Xcode 8 installed on OS X El Capitan.</p>
  <p>I get this error:</p>
  <blockquote>
  <p>Signing for &quot;target&quot; requires a development team. Select a development team in the project editor.</p>
  <p>Code signing is required for product type 'Application' in SDK 'iOS 10.0'</p>
  </blockquote>
  <p><a href="https://i.stack.imgur.com/CSXrc.png" rel="noreferrer"><img src="https://i.stack.imgur.com/CSXrc.png" alt="Xcode screenshot" /></a></p>