Game wont open, help please

I bought the game a while back, played it quite a bit. One day i went to open it and just gave me the error “When you got a refund on Forza Horizon 4 it was removed from your device.” And its been like this for a while now, i never got a refund on my money, and the game wont open, please help

https://support.forzamotorsport.net/

you might need to contact Microsoft support if the game doesn’t appear in your purchased items in the Microsoft store App