"Spring Clear nor available": This error is commonly received when shipping using the DDP duty type. Using the DDP duty type means that the shipment will be booked using Spring Clear. The error message indicates that the required tax numbers needed for Spring Clear to work were missing or invalid. In order to rectify this error please ensure that you have set up your company tax numbers in your Shiptheory company settings, or set up default tax numbers in your Spring Global Mail dashboard.