Coupon Error

[alecliew]

I am using on PHP: 5.5.15, VM 3.0.7 and Joomla 3.4.1
Coupon discount is reset after selecting payment method.

Steps :
1. enter coupon code and save. Amount is deducted accordingly.
2. select payment method and save. coupon discount is reset.

[Guido_Italy]

Hi I've the same problem.Any ideas how to solve the situation?

[alecliew]

Sorry, I dont have the solution 

[seyi]

If using 3.0.10 or higher and still getting this error try the plugin awocoupon
http://www.awocoupon.com/starter