原文
Please correct the following issues and upload a new binary to App Store Connect.
ITMS-90426: Invalid Swift Support - The SwiftSupport folder is missing. Rebuild your app using the current public (GM) version of Xcode and resubmit it.
解决方式
ITMS-90426: Invalid Swift Support - The SwiftSupport folder is missing. Rebuild your app using t... - 简书
导出包的时候选择app Store connect 而且描述也创建appStore的描述 
然后成功了
资料
objective c - Invalid Swift Support / The SwiftSupport folder is empty - Stack Overflow
