Can’t calculate for custom shipping classes

Hello,

When I add a product to the cart that is set to a shipping class that I’ve defined (e.g. “bagged goods” or “kit products”), Freightview won’t return a rate for it. If I give it a Freightview predetermined class like “class 50” or “class 70”, it returns the rate perfectly.

Is there any way I can make the plugin return a rate for products with a custom shipping class?

Thanks