This message means that you have not activated the connection to myallocator in the booking.com extranet. You must login to your booking.com extranet and confirm the connection to myallocator.
Please follow the steps below to confirm: the connection:
Login to your Booking.com Extranet page.
- Click on "Account"
- Click on "Channel Manager"
- Click the blue "I confirm the connection with provider myallocator" button.
The page looks like this: