An app cannot be deleted
An app that cannot be deleted.
iPhone 11 Pro Max, iOS 14
Question marked as
Some of the built in apps cannot be deleted→Delete built-in Apple apps on your iOS 12 or later device or Apple Watch - Apple Support.
If you have Screen Time enabled, go to Settings/Screen Time/Content & Privacy Restrictions/iTunes & App Store Purchases and change Deleting Apps to Allow.
Then try deleting the app again.
If that doesn’t work see→How to delete an app that has a configuration profile on your iPhone, iPad, or iPod touch - Apple Support