You purchase could not be complete
In the game “Mobile Legend”, after O charge in the money and buy the diamond, it said your purchase could not be complete
iPhone XS, iOS 14
You may see various forms of a "Your purchase could not be completed" message. Contact Apple Support using the URL indicated. To me it is not clear which path you should follow when you go to the first web page. Try this:
1. Click on this link --> https://support.apple.com/choose-country-region/media-services
2. Select your country
3. Select: Billing & Subscriptions
4. Select: Subscriptions & Purchases
5. Select: Update payment method
6. Select a chat session or a phone call.