'Purchase Could Not Be Completed' error on iPhone
your purchase could not complete
[Re-Titled by Moderator]
iPhone 11, iOS 18
your purchase could not complete
[Re-Titled by Moderator]
iPhone 11, iOS 18
So do exactly what your iPhone told you to do. This is not Apple or iTunes Support. This is a user to user only forum.
On your web browser go to the site shown on your screen for help.
'Purchase Could Not Be Completed' error on iPhone