Changes

'''This account doesn't have access to this property.","code":"FORBIDDEN"'''

Log into Booking.com and go to ACCOUNT > CONNECTIVITY PROVIDER. Disconnect from Beds24 and reconnect this time ticking all tick boxes as shown here: https://wiki.beds24.com/images/6/69/Extranet-booking.png

<span style="color:#fe746c;“ >{{#fas:exclamation-triangle}} </span> If you use dependencies you can only assign the bookings into a room in the same property as the room which is mapped to Booking.com.