在工程里面进行pod update的时候，报如下错误：
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### Error
RuntimeError - [!] Xcodeproj doesn't know about the following attributes {"inputFileListPaths"=>[], "outputFileListPaths"=>[]} for the 'PBXShellScriptBuildPhase' isa.
If this attribute was generated by Xcode please file an issue: https://github.com/CocoaPods/Xcodeproj/issues/new
/Library/Ruby/Gems/2.3.0/gems/xcodeproj-1.5.7/lib/xcodeproj/project/object.rb:321:in configure_with_plist' /Library/Ruby/Gems/2.3.0/gems/xcodeproj-1.5.7/lib/xcodeproj/project.rb:262:innew_from_plist'
...
...
...
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[!] Oh no, an error occurred.
Search for existing GitHub issues similar to yours:
https://github.com/CocoaPods/CocoaPods/search?q=%5B%21%5D+Xcodeproj+doesn%27t+know+about+the+following+attributes+%7B%22inputFileListPaths%22%3D%3E%5B%5D%2C+%22outputFileListPaths%22%3D%3E%5B%5D%7D+for+the+%27PBXShellScriptBuildPhase%27+isa.%0AIf+this+attribute+was+generated+by+Xcode+please+file+an+issue%3A+https%3A%2F%2Fgithub.com%2FCocoaPods%2FXcodeproj%2Fissues%2Fnew&type=Issues
If none exists, create a ticket, with the template displayed above, on:
https://github.com/CocoaPods/CocoaPods/issues/new
Be sure to first read the contributing guide for details on how to properly submit a ticket:
https://github.com/CocoaPods/CocoaPods/blob/master/CONTRIBUTING.md
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解决方案
- 找到工程中
xxx.xcodeproj文件，右击显示包内容，打开project.pbxproj文件。 - 搜索
inputFileListPaths、outputFileListPaths，移除相关代码。 - 重新
pod update即可。
