Changes

You do not have an active Booking.com rate id with this number. Please double check your rates and daily prices and select a valid Booking.com rate id from the list in 'get codes'. You can only send prices for active Booking.com rate codes. You will see your active rate codes when you click on "Get Codes". Make sure you only map these rates in you channel manager settings, daily prices and rates.

Booking.com has not activated the room for selling. Please ask Booking.com to activate it and check the room id is correct.