This error message means that an incorrect or unknown combination of carrier and service level is booked.
- Check whether you have made a spelling mistake in the service level
- Check whether the service level is possible with this carrier code
- Check if the carrier code is correct (always 3 letters)
- Are you trying to book a new service? Contact our support department.
Are you unable to find a solution or are you trying to book a new service?
Contact support to resolve this problem and indicate where the shipment will receive this error message (reference number of the shipment) and what combination you're trying to book.