-- HikaShop version -- : 3.3.0
-- Joomla version -- : 3.8.6
-- PHP version -- : 7.1
-- Browser(s) name and version -- : safari 10.1.2
I am trying to ensure that a registered user may only buy 1 product 1 time. Once they have bought the product, been categorized to a group that this group cannot log back in and buy a second package. Thank you for your assistance.
Catherine