2Checkout Convert Plus

It passed exactly a week of my website without payment, when people try to checkout it shows empty cart.
I contact their support everyday and you keep my delaying my issue.
-3 days in a row i was contacting with your support and all they did was telling me repeat this steps everything will be okay and i did the same that they were telling me from the very first time, all answers i received it was ...

UPDATE: Developer Craig contacted to us and fixed the issue. Thanks for his help.. It's now working.. There should be a few more upgrades on the app such as product name is seen as random words "Cart_xasd139411rw" which doesn't look good.. ------------------------
SAME HERE... "There was an issue processing your payment. Try again or use a different payment method. When Pay Now button is clicked ...

2Checkout ruined our customers experience, it confuses them, it redirects them and we lost many orders from this. And as another user said: When using the 2CO convert plus gateway to checkout, VISA/Mastercards are not supported. This is unacceptable since VISA/Mastercards combined have more than 80% market share. And there is not a single document in the knowledge center mentioning this.

jcb master card visa does not work although it says it should please contact me and help me solve this problem

Hi. We tried to update our checkout but it shows this error "Woops, looks like something went wrong". Would be great if you could help to solve this. Regards - looks like all issues were solved