Free Product Sample for WooCommerce Pro – Problem with shipping costs (weight)

Hi,
I have problem with plugin. If we set weight and shipping class in product tab “Product Sample”, there is issue with shipping carriers. There is only one shipping class to choose “Free Collection”, which shouldn’t be available for sample. It should display “Express Next Day Delivery” instead.
I can send you access to developer version of store (with FTP), because of this issue plugin is disabled in production version.


Please help with this issue.