Help! My IP settings are correct at the server, I think I've set the plugin correctly but I keep getting the above error message when I execute the secure pages containing the Payment forms.
My WordPress HTTP settings are:
SSL Host: http://www.idsva.org
Port:443 (though it keep disappearing after saving)
Force SSL Exclusively: Yes
Path to a payment page link (Click Here) is:
Thanks VERY much for any help you can provide...