Hi there @Cbro! Welcome to the Fitbit Community!
Let me help you out, I recommend you doing the restart, reboot your mobile device, log out from the app and log back in. If the issue persists take a look at this article in order to setup the notifications again.
Let me know how it goes!
Magin | Community Moderator, FitbitIf you find something helpful, give it a vote and don't forget to mark it as an Accepted Solution!