Coupon disappear when customer confirm the order - VERY URGENT

Hello,

i have latest Rupostel OPC, updated to latest AWO Pro yesterday.

Discount applied when the customer is at cart. When he place order, discount disappear for some reason for some customer. For some, it works, for some, it does not work, we don't understand...

Absolutely horrible issue, we have many orders - more than 100 a day - and our phone lines and email support is burning. This is very annoying for customers, as they see discounted prices, but when they got confirmation email, price is full price, without discount. So they are mad.

Sorry Seyi that I also make post here + mailed you too, but this is burning urgent, it's huge fail for our webshop :(

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and just find out, that in some cases, it even calculates wrongly...

Hello,

Yes, I can look at the issue if you can send temp admin and ftp access.

in a hour, i will send you by email and you can check it. now i am AFK for a hour. thanks man!