@Donné2 There are three potential ways to avoid the removal of Superhost status after canceling a booking.
(1) extenuating circumstances.
(2) Airbnb cancels it
(3) get over 100 bookings in 12 months at the next evaluation date.
Most likely you only have option 3. I saw that you have 10 listings. If you can get over 60 bookings completed in the next two months and I assume that you will have 100 bookings in the 12 months, you can cancel 1 booking and still keep your Superhost status.