Face ID has been disabled on my iPhone

What happens when you follow the steps here: If an alert says Face ID has been disabled on your iPhone or iPad Pro - Apple Support

Has the phone been dropped or exposed to water?

~Lyssa

Jumping from 14 to 17 indicates a fairly long stretch w/o apparent attention to basic “routine maintenance.”

Are you sure that your FaceID was indeed working previously?

See if this “alternate” support article might help as well.

If Face ID isn't working on your iPhone or iPad Pro - Apple Support