Skullamanjaro medal not working?

Ok, so I just got done playing multi team with my friends, and I scored 10 skulls at once on TU headhunter on boardwalk. Nothing happened. So why didn’t I get it? Can anyone offer an answer?

Skullamanjaros are turned off in Multi Team.

> Skullamanjaros are turned off in Multi Team.

Oh, ok. Thank you!