Everything went well until the checkout, where the person in charge of that (not the host) screamed and threathened me at the phone because I didn't contact him before checking out. I was never told to contact this person at checkout, and it was never the procedure in the several AirBnB I've booked (in France and elsewhere). I don't find it professional to be treated this way for an honest miscommunication, especially since there is no damage at all in the apartment and it was just a lot of screaming for nothing. I really felt unsafe.