You can't. But you can prevent bookings being made for past dates. Login to MRBS as an admin, go to the Rooms page, select the area in question and under "Booking policies - creation" set "Advance booking - minimum" to zero. Then click Save.
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You can't. But you can prevent bookings being made for past dates. Login to MRBS as an admin, go to the Rooms page, select the area in question and under "Booking policies - creation" set "Advance booking - minimum" to zero. Then click Save.