I installed coupon 3.0 on a site that used to have coupon 2.0, when i put in a coupon code in the checkout_payment page i get the foloowing error:
1054 - Unknown column 'coupons_discount_percent' in 'field list'
SELECT coupons_discount_percent, coupons_description, coupons_max_use, coupons_min_order, coupons_max_order, coupons_number_available FROM discount_coupons WHERE coupons_id = 'r' AND ( coupons_date_start <= CURDATE() OR coupons_date_start IS NULL ) AND ( coupons_date_end >= CURDATE() OR coupons_date_end IS NULL )
I went through the installation and everything was installed correcly, i also went through the documentation of the discount coupon 2.0 to see if there were any files that need to be deleted. I realize that coupon_discount_percent was used in the 2.0 version but i can't seem to find a solution for this problem.
Any help would be greatly appreciated