Are you debugging by Xcode or other IDEs? Is your program running on a simulator or a real device? From the error message you provide, it shows dskFulErr : full disk. Check if the disk of your Mac or the device you're debugging on is full. — WindowsMEMZ @ Darock Studio let myEmail = "memz" + "1" + "@" + "darock.top"

See unlisted app destribution, by doing this, your app won't be shown on App Store except who has the link of your app. — WindowsMEMZ @ Darock Studio let myEmail = "memz" + "1" + "@" + "darock.top"

You can submit an appeal about your developer account termination here. I understand you because I'm also facing a serious problem about app review. Unfortunately your account was terminated. Submitting an appeal is the last way to make your account restored possible, and good luck to you! — WindowsMEMZ @ Darock Studio let myEmail = "memz" + "1" + "@" + "darock.top"

An App ID with Identifier '' is not available. Please enter a different string. This message means the App ID you’re trying to register is whether been used by others or invalid. A valid App ID looks like this: com.example.MyCoolApp. — WindowsMEMZ @ Darock Studio

You can set the minimum OS in App Settings section, it's on the top of your code file lists. Scrolling down in the settings and you can find Minimum Deployment setting. — WindowsMEMZ @ Darock Studio

You must upgrade to latest macOS & Xcode to develop for latest iOS. — WindowsMEMZ @ Darock Studio

You should use App Store Connect API to make your automatic workflow interact with App Store Connect. — WindowsMEMZ @ Darock Studio

You can try to make the iOS device as a HTTP server, then find a way to make your hardware device connect to it. — WindowsMEMZ @ Darock Studio

You can develop and install apps to your own devices by Xcode without Apple Developer Program membership, just login your account in Xcode and choose your personal team in Sign & Capabilities section. If you want to sale your apps on App Store, you must enroll Apple Developer Program. — WindowsMEMZ @ Darock Studio

Use WCSession.transferUserInfo(_:) to send data that can be received in background. Implement session(_:didReceiveUserInfo:) in the delegate to receive this kind of messages. — WindowsMEMZ @ Darock Studio

You can try to request an expedited review. — WindowsMEMZ @ Darock Studio

According to the reply form the App Review, you should make these changes: Add a title of your subscription in your app. Add a functional link of your privacy policy and EULA[1] both in your app and app description. — WindowsMEMZ @ Darock Studio [1] Many apps use standard Apple Terms of Use. If you're also using it, add this link: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ or if you're using your own EULA, you should add it in the App Information section in App Store Connect.

No. The Expired status means the binary is expired for TestFlight, that means you have to upload a new build to App Store Connect. — WindowsMEMZ @ Darock Studio

What do I need for the development? Licenses, Add-Ons, special PC etc.? You need a Mac at least. You can develop your app on a simulator in macOS, or on a real device if you have. Also is it possible to develop as a student? What about the costs? Sure. Every one can develop their own app with Xcode. However, if you want to distribute your app on App Store, you must enroll the Apple Developer Program, which costs $99 per year. — WindowsMEMZ @ Darock Studio

The suggested way to enroll Apple Developer Program is using Apple Developer App. Try to make the payment in the app. — WindowsMEMZ @ Darock Studio