your payment method was declined

[cuopbjen0o0]

Help me!
I used this plugin for some projects before and it's Ok.
But, my new project have problem "your payment method was declined" when purchase iap.
this is img for 2 game i add this plugin with the same account, visa card
http://s24.postimg.org/ssf2kcsph/Untitled.png
Can you explain how this's happen and how to solve it.
Thanks ! (sr if my english is bad )