None of the follows stick on any apps. He's a new user and it should work right out of the box.
Discussion
This happens when the client can’t find their contact list. It’s dangerous to create a new one because this could wipe out their contact list from somewhere that may be temporarily down.
Damus has a First Aid feature in settings to recover from this.
You are talking about a relatively brand new protocol that in many ways is still in beta testing, think of the internet of 1992 here