BP will sometimes skip a meal every mow and than, it's ok, they will also go of feed for various reason from time to time.
Don't try too hard when offering, offer the prey and remove it if not eaten with 20 minutes no need to stress him by interfering.
In the mean time make sure your husbandry is optimal, limit your handling, keep offering the same type prey that was previously offered and keep trying each week once a week.