I received two messages in my mailbox on Forza horizon 4 one said that I received 2 super wheel spins the usual weekly ones and the other was for ten super wheel spins. I clicked on each and they disappeared
What button did you press
If you pressed X for delete that would be why
You might need to sumbit a ticket at the support site
https://support.forzamotorsport.net/hc/en-us
I know that I hit the a button not the x button trying to log in with support and not letting me