You may receive errors when your customer attempts to add a card in the Apple Wallet app for the following reasons:
- The app group ID you provided in the
cardManager.configurePushProvisioning()method is incorrect. - There are server errors. Prompt the customer to try again.
- You did not follow the Checkout.com protocol for the Intents Extension
Extension-IntentHandleror the Intents UI ExtensionExtension-IntentViewController. - You did not specify a minimum deployment you want Apple to use for the extensions. Apple therefore defaulted to the latest iOS version, and the Wallet extension did not work for customers using older versions.