We are using the PRO version of your plugin. We are facing a problem with the total price calculation beacause a conflict with the Role Based pluging.
Here is the case :
We created a coupon with BOGO option. For each 3 products, the user get a free one.
In the cart list, the prices are showed correctly based on the role plugin, and the free product is showed ‘Free’. (for example 3 product A : 12$ + 1 product A : Free)
But the total amount is calculated based on all the quantity, free ones includes (for our example we will have 3+1=4 x 12$ = 48$ [normally : 36$]).