In-app purchase "Cannot connect to iTunes Store" Xcode 8.3

Question

In iPhone I see this data

and then I get an error "Cannot connect to iTunes Store".

Transaction Error: Optional("Cannot connect to iTunes Store")

The code where the error appears

private func fail(transaction: SKPaymentTransaction) {
        print("fail...")
        if let transactionError = transaction.error as? NSError {
            if transactionError.code != SKError.paymentCancelled.rawValue {
                print("Transaction Error: \(transaction.error?.localizedDescription)")
            }
        }

Now I check:

• iTunes Connect > Features > In-App Purchases - Approved

• Use real device - Yes

• Connecting to iTunes Sandbox - Yes

• "Agreements, Tax, and Banking" of iTunes Connect - Ok

• iOS Provisioning Profiles - Active (Type:iOS Distribution; Enabled Services: Game Center, In-App Purchase)

• Sign out of iCloud on this device - Yes

• Xcode > Capabilities > In-App Purchase - ON (Steps: Link StoreKit.framework - ok; Add the In-App Purchase feature to your App ID - ok)

• delete Apple ID from Xcode and all profiles from /Users/****/Library/MobileDevice and re-uploaded everything

• Use this tutorial

Previously everything worked fine (swift 3, Xcode Version 8.2.1)

Answer 1

Today iTunes Sandbox earned, without any changes without any updates. I think yesterday servers were not work. But why Apple can not be told about this so that developers will not do unnecessary work!!!