awocoupon doesn't work properly

hi, i installed awo coupon free with virtuemart 2.20b with onepagecheckout and now when i add the coupon code in my shopping cart page, don't do anything. First, whitout awocoupon, the coupon code works properly

you can try in www.motusport.it and the coupon code is -- piscina14 --

thanks a lot

Hello,

Just took a look. Can you go to opc configuration and disable processing of coupon through ajax? Then try it again?