Hello.
The "FastCheckout Error: No shipping option offered" message usually means there are no enabled or suitable shipping methods available for the customer/cart/address.
Please try enabling at least one valid shipping method and test again.
For the ShipStation Carrier extension specifically, please contact the extension author through marketplace order support: https://marketplace.abantecart.com/order-support
The "FastCheckout Error: No shipping option offered" message usually means there are no enabled or suitable shipping methods available for the customer/cart/address.
Please try enabling at least one valid shipping method and test again.
For the ShipStation Carrier extension specifically, please contact the extension author through marketplace order support: https://marketplace.abantecart.com/order-support
