Setting/proptypegroup

"Property Type Group" is for better listing categorization at Airbnb.

Make sure you the "Property Type" you have selected in SETTINGS-PROPERTIES-DESCRIPTION falls under the "Property Type Group" you choose:

apartments: apartment, condominium, serviced_apartment, loft, casa_particular (Cuba only)
bnb: bnb, farm_stay, lodge, casa_particular (Cuba only), minsu (Taiwan only), ryokan (Japan only)
boutique_hotels_and_more: boutique_hotel, aparthotel, hostel, hotel, lodge, resort, serviced_apartment, heritage_hotel (India only)
houses: bungalow, cabin, chalet, cottage, dome_house, earthhouse, farm_stay, house, houseboat, hut, lighthouse, tiny_house, townhouse, villa, casa_particular (Cuba only), cycladic_house (Greece only), dammuso (Italy only), shepherds_hut (UK, France only), trullo (Italy only), pension (South Korea only)
secondary_units: guesthouse, guest_suite, farm_stay
unique_homes: barn, boat, rv, campsite, castle, cave, dome_house,earthhouse, farm_stay, houseboat, hut, igloo, island, lighthouse, plane, tent, tiny_house, tipi, train, treehouse, windmill, yurt, pension (South Korean only), shepherds_hut (UK, France only)