Missing iOS Distribution signing identity

打包上传appstore的时候报错如下：

解决方法：

  1. Download https://developer.apple.com/certificationauthority/AppleWWDRCA.cer
  2. Double-click to install to Keychain.
  3. Then in Keychain, Select View -> "Show Expired Certificates" in Keychain app.
  4. It will list all the expired certifcates.
  5. Delete "Apple Worldwide Developer Relations Certificate Authority certificates" from "login" tab
  6. And also delete it from "System" tab.
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原文地址：https://www.cnblogs.com/jager/p/5233813.html