Hey there @Haspaas!
please make sure all your family members plan haven't got anything changed on their own account.
Sometimes disconecting Spotify from FB or changing some details can cause the username to change.
Let me know after you've checked all of them 😃
OneByBooRock Star 19
Help others find this answer and click "Accept as Solution".
If you appreciate my answer, maybe give me a Like.
Note: I'm not a Spotify employee.