If I run application with 3G internet access - every CloudKit query failed with error
CKError 0x1559b9a0: "Internal Error" (1/4000); "Couldn't renew our secure session"
With Wi-Fi everything is great. Can anybody solve this issue?
I found answer. If the user has the Settings > iCloud > Documents & Data > User Cellular Data option turned off (this is the default for iOS8), then this is the error you will get when not on Wi-Fi.