Hmmm your notifications services might have been deactivated. To allow Spirit to send you notifications try this.
1. Open "Spirit"
2. Click on your name, at the top right of the screen, and select "Settings".
3. Locate the "Notifications" tab next to the "Account" tab.
4. In the "notifications" section. Make sure you have a (✔️) next to each form of notifications, you would like to receive.