Hello all,
I'm a newbie, last october 2012 my brother and I we started our adventure with Zen-cart, my eshop in online since last january and everything working fine.
It's a installation from scratch, no upgrade at all, with a few of customization/plug-in (like template and CEON Back-in-stock notification)
My problem is this, I have some clients in a group rate with a 5% discount, now I'm giving some coupons 10% discount, I would like that if a customer of a group using coupon, discount price group will be disabled. I don't want double discount.
Reading other post, I understand that something has to be modified into ot_group_pricing.php, but unfortunately, I have no idea how to.
Can somebody help me?? Many thanks
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