"Please contact iTunes support to complete this transaction.."
[Re-Titled by Moderator]
iPhone XS
Question marked as
If you haven't already done so do as instructed and contact iTunes Support : http://www.apple.com/support/itunes/ww (click on your country's flag, the country where you live, and which is therefore the country on the account ; click on Contact Support towards the top right ; click on Get Help under 'Talk To Us’)