iOS 上传App Store报错------This action could not be completed.Try again.(-22421)

1,网络问题........

http://www.jianshu.com/p/4b60aa96369d

2,Xcode版本太低

http://blog.youkuaiyun.com/xyanq2222/article/details/71713833?utm_source=itdadao&utm_medium=referral

3,苹果服务器繁忙导致

http://blog.youkuaiyun.com/const_gong/article/details/53418408

Xcode9 已修复此问题

已解决的问题

• 修复了导致App Store上传失败并出现错误代码-22421的问题。（25068558）