title: why does xamarin suddenly not let me deploy to iOS devices
body: <p>This just started happening today after I got a message from xcode to agree to new t&amp;c's.</p>
  
  <p>I can't put anything on the device, on any of my computers.</p>
  
  <p>Doesn't work on my macbook, doesn't work on my mac mini, doens't work with existing projects that worked fine until yesterday, doesn't even work with completely new projects.
  I constantly get the message:</p>
  
  <blockquote>
    <p>writeDictToFile:1241 open failed for
    /Users/georgecook/Desktop/test/iOS/obj/iPhone/Debug/mtouch-cache/install-shadow-directory/339bee33bc83c8e05fbd004dcc732c0b/20715d40747e047ba8a4ce4c1d2672ef90161df5/ManifestCache.plist
    : No such file or directory MDMCacheDirectoryManifest:1315
    writeDictToFile failed to write to
    /Users/georgecook/Desktop/test/iOS/obj/iPhone/Debug/mtouch-cache/install-shadow-directory/339bee33bc83c8e05fbd004dcc732c0b/20715d40747e047ba8a4ce4c1d2672ef90161df5/ManifestCache.plist
    : No such file or directory error MT1006: Could not install the
    application
    '/Users/georgecook/Desktop/test/iOS/bin/iPhone/Debug/test.iOS.app' on
    the device Gandalf the white: Your application failed code-signing
    checks. Check your certificates, provisioning profiles, and bundle
    ids. Probably your device is not part of the selected provisioning
    profile (error: 0xe8008015).</p>
  </blockquote>
  
  <p>No idea why this is suddenly happening - this is really not good - how to resolve this?</p>