Tag Archives: oscommerce

Source: http://www.thatsoftwareguy.com/osc_quantity_discounts.html#CCGV Q: I am also using the CCGV (Coupon Code/Gift Voucher) Contribution. On the Checkout Payment Page, I get the error: “Fatal error: Call to undefined method ot_quantity_discount::use_credit_amount() in ……../httpdocs/includes/classes/order_total.php on line nnn” A: Make the following fix to … Continue reading →