If you get this error while trying to utilize shared SSL certificate along with your domain name, then this indicates that you are not allowed to use shared SSL with your domain name. Rather you should utilize the provided URLs for shared SSL.
If you encounter this error while loading SSL on your site, then you are requested to submit a support ticket to firstname.lastname@example.org so that this issue can be resolved as soon as possible. The support ticket can also be submitted through your member panel.
This error normally results from the configuration of SSL on the server, so our system administrators would promptly evaluate the issue and try to provide a quick solution.