I am trying to set up a promo code to get a free gift if you buy any one of a certain product/group of SKUs but it keeps saying the promo is invalid.
How do you create this sort of promotion?
Thanks in advance
You can follow the below magento document. https://docs.magento.com/m1/ce/user_guide/marketing/price-rule-shopping-cart-buy-x-get-y-free.htmlI hope it will help you!