Happy new year. I need to use Hikashop and I understand that I must download the plugin selling_courses in order to integrate. The problem is that while I create a new product in hikashop when I try to purchase it (add to cart) I always receive the message: The product x (this is the product code) doesn't exist. In the past (3 years ago) I hadn't such a problem.
Could you help me?
Thank you in advance
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