title: Xcode 10.2 Update issue Build system error -1: Unable to load contents of file list: input/output xcfilelist
body: <p>After upgrading to Xcode 10.2 I am getting 2 errors </p>
  
  <blockquote>
    <p>:-1: Unable to load contents of file list: 'xxxxx/Pods/Target Support
    Files/Pods-xxxx/Pods-xxxxx-frameworks-Debug-input-files.xcfilelist'
    (in target 'xxxxx')</p>
    
    <p>:-1: Unable to load contents of file list: 'xxxxx/Pods/Target Support
    Files/Pods-xxxxx/Pods-xxxxx-frameworks-Debug-output-files.xcfilelist'
    (in target 'xxxxx')</p>
  </blockquote>
  
  <p>I updated all my  pod and changed build system to "Legacy Build System"   but still getting the same build error</p>