title: Export ipa file fails
body: <p>Using Xcode v11.3 I try to export my .IPA file and get this error.</p>
  
  <blockquote>
    <p>An error occurred during export. The data couldn’t be read because of it
    isn’t in the correct format</p>
  </blockquote>
  
  <p>This is shown in IDEDistribution.standard.log</p>
  
  <pre><code>/System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require': cannot load such file -- cfpropertylist (LoadError)
      from /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require'
      from /Applications/Xcode.app/Contents/Developer/usr/bin/ipatool:15:in `&lt;main&gt;'
  2020-02-05 07:57:11 +0000  /Applications/Xcode.app/Contents/Developer/usr/bin/ipatool exited with 1
  2020-02-05 07:57:11 +0000  ipatool JSON: (null)
  </code></pre>
  
  <p>I have tried rvm use system but in vain. Thanking in anticipation.</p>