You have posted this on the partner forum so we cannot help with this. Contact booking.com help team using Inbox icon on Extranet or give them a call see link for local phone numbers.
I found this buried under Partner Help > Your Reservations. So many of us likely have never seen it. This should have been pinned and featured on the community
You have posted this on the partner forum so we cannot help with this. Contact booking.com help team using Inbox icon on Extranet or give them a call see link for local phone numbers.
https://partner.booking.com/en-us/help/where-you-can-reach-us