title: CocoaPods with Xcode 10 RuntimeError Xcodeproj doesn't know about the following attributes
body: <p>I'm trying to install a pod with <code>pod install</code> and getting the following error:</p>
  
  <pre><code>RuntimeError - [!] Xcodeproj doesn't know about the following attributes {"inputFileListPaths"=&gt;[], "outputFileListPaths"=&gt;[]} for the 'PBXShellScriptBuildPhase' isa.
  </code></pre>
  
  <p>I'm using CocoaPods 1.5.3 and Xcode 10.</p>