This error message means that you have not activated the connection to myallocator, channel manager by Cloudbeds, at Booking.com extranet. You must login to your Booking.com extranet and confirm the connection with channel manager myallocator.
Please login to your Booking.com Extranet and follow the steps below to confirm the connection:
- Click on 'Account' at the top
- Click on 'Channel Manager' section
- Then, go ahead and confirm the connection with myallocator by clicking on 'Activate the Connection with myallocator'