These issues have been solved in tickets, but for anyone else who is experiencing this. It can be for several reasons. One main one is not allowing our IP Addresses through your firewall. Here's an article about that: http://help.clickdimensions.com/what-firewall-changes-are-needed-to-allow-clickdimensions-proper-access-to-your-crm-deployment/.
If that does not solve it for you, you can open a support ticket at http://support.clickdimensions.com. Please include your CRM URL and the steps you took to get this error. Thank you!