"Add" function is inactive in Find My Friends
In the app Find My Friends, I am unable to add friends because the "Add" link is always inactive (in grey). However, I have not lost connection with a friend I added in the past. I just can't add anyone new.
Is there a mysterious setting I am overlooking? Or is this a flaw of the latest iOS software?
I am using iOS 12.3.1 and my apps are kept up to date.
Thanks for any help.
iPhone SE, iOS 12