Merchants may have a need to add the same product multiple times in sales or purchase baskets. For example:

- 4 chairs are sold, one of them has a scratch and needs to be sold at a lower price

- a box of wine may have 6 or 12 bottles; the Merchant wants to sell the 6th or 12th bottle for free


To Channel 0, add setting ENABLE_MULTIPLE_PRODUCT_LINES and set it  to YES