these are properties
Type: percentage
Discount: 50
Total Amount: 1
Customer Login: no
Free Shipping: no
Category: empty (i've tried choosing categories too)
Products: empty
Date Start: 2016-01-01
Date End: 2022-01-01
Uses per Coupon: empty
Uses per Customer: empty
Status: Enable

front end when i apply coupon code it recognizes code but values is always zero

any suggestion?