Hello
we have royal theme installed with woocommerce package. We have installd
http://codecanyon.net/item/woocommerce-custom-fields-product-addons/11332742 and added vehicle type field. on check out page it giving error message “Vehicle Type must be selected.” even though its selected.
You can add product to cart and see checkout page.
http://webgrowthindia.com/cwe/product/interior-only-detail/
if we set other theme working it means some thing with theme specific.
regards