访问iCloud文档在iOS 13 beta 2中显示错误

Question

  

Error Domain = NSCocoaErrorDomain代码= 512无法将““ XXX””复制到   “文档”。” UserInfo = {NSSourceFilePathErrorKey = / path / to / XXX，   NSUserStringVariant =（       复制），NSDestinationFilePath = / path / to / XXX，NSFilePath = / path / to / XXX，NSUnderlyingError = 0x280717f90 {Error   Domain = NSPOSIXErrorDomain代码= 11“避免了资源死锁”}}