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It might help those trying for the sample for the first time to discover errors in their CloudKit container configuration if the error "Couldn't get container configuration from the server for container containerID" was output to the console. I was able to see by adding the code below but it originates in line 65 of ViewModel.swift let changes = try await database.recordZoneChanges

            .onAppear {
                Task {
                    do {
                        try await vm.initialize() // replaces try? await vm.initialize()
                        try await vm.fetchLatestChanges()
                    }
                    catch {
                        print(error.localizedDescription)
                    }
                }
            }

I had the same problem as #6 and had to do some debugging to fix it, it was because I changed the bundle ID. Perhaps if the usual sample code disambiguator routine for an automatic unique bundle ID then it might prevent requiring to edit the bundle ID at all?

SwiftUI offers .task and .task(id:) for the correct lifetime of async actions, it would be great if the sample could be updated to use it.

I'm a bit stuck here. I've done the following:

1. I downloaded the project.
2. I verified that I was signed-in to my active developer account in Xcode.
3. Xcode version is: 14.3.1 (14E300c).
4. I configured the signing team, app bundle of my own and iCloud container (the container id is the same as the app id but with the iCloud prefix).
5. I configured the iCloud container id in the Config.swift file.
6. I ran the project on two devices, both showed "Did register for remote notifications" in the console.
7. Both devices are running the latest public version of iOS and iPadOS (iOS 16.5.1 (20F75) and iPadOS 16.5.1 (20F75)) and both are signed-in with the same Apple ID Account.

When I run the app on the devices, it initially shows and empty contacts screen, when I try to add a new contact it just dismisses the screen and no contact is added and nothing happens on the other device.

Also, no message is shown on the console when trying to add a contact in the other device or the current one.

I'm attaching a screen recording of this running on an iPad.

Any ideas of what I might be missing?

Thanks in advance.

Error message: "Error saving new contact: <CKError 0x600003c877b0: "Bad Container" (5/1014); "Couldn't get container configuration from the server for container

Hi there, I noticed this sample app saves the server change token before local cache were being saved.
Doesn't this mean if the app exits before local cache saved to the UserDefaults, the app will only fetch changes from the newest token the next time it starts and ignoring all previous changes?

Hi, thank you for the repo I got a lot of information
I would open just discussion bot not issue about the topic but don't see the option for discussion
I test the example on iPad and iPhone

When I add Contact the notification on other devices comes early then Contact was created in the cloud data base, so fetchLatestChanges does not fetch new dataset with created record
When I delete there's no such effect everything is fine

The only solution currently to add delay(Task.sleep) before
try await PrivateSyncApp.vm.fetchLatestChanges()
then everything is fine

Do you have the same effect ?

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A. Matias