Problem with coupon

Hello Dam,
sorry, but I have a new problem. I use coupons and others. When a client books with coupon and the total charge is zero, the system cancels when submitting the order. When a client books with coupon and the total charge is zero, the system cancels when submitting the order. As payment option I only use PayPal. You can test it. Couponcode is xxxx.
bund-versicherter-unternehmer.de/index.p..._id=&vid=&Itemid=519
The super user account is the same as always.
I hope you can solve my new problem.
Many thanks Lu

Hi,
Please submit ticket and send your site information with super admin acc, i will fix this issue
Thanks
Dam

Hi Dam,
here are the information for your Super Admin:
User: xxx
Password: xxxx
Website: xxxxxx
Thank you very much
Lu

Hi,
The problem has been solved. In next time, please do not post your site information in forum. Your site may hacked by some bad guys
Thanks
Dam

Hi Dam, thank you for solving the problem and for your tip about data. I forgot that i`m not in Support-Ticket area.
Thanks Lu