It can be extremely frustrating getting these integrations working, we've helped many businesses with this at Yakety and whilst there is no immediate solution we always succeed in getting a solution in time. If you would like us to assist you then please contact me, Matthew, using the details in my signature below.
I've found the email address and phone number work perfectly fine. I know I don't have contact details on my website, that's why I didn't direct you to my website. Best of luck with your issue.