Blank site in the cart after i put the coupon code in and saved

Hello,

in my cart i give the coupon code in and go to save. then i see only a blank site. i took the same settings like in the demo backend page. please can you help me i can't find the reason.

was muss bei plugins, VmShipment - Awocoupon Free Gift Certificates, in das feld unter dem reiter "general" eingetragen werden?

i run my shop in general under ssl. if you want i can give you a login to my backend.

and what should typed in the formular under plugins, vmShipment - awocoupon free gift certificates?

please can you help me, i want to use your wonderful component.

my system:

Joomla! 3.8.1 Stable

VirtueMart 3.0.7.4

php version: 7

buyed onlineshop template (template monster)

Can you please send a private message with temp admin access so I can have a look?

I do. thanks for the very fast answering.

Regards

Thanks for the access.  There are 2 ways AwoCoupon processes coupons, and the one page extension you are using did not like the first, so switched it to the second and seems to work fine.