A connection was successfully established with the server, but then an error occurred during the pre-login handshake. (provider: SSL Provider, error: 0 - The client and server cannot communicate, because they do not possess a common algorithm.)
Please contact your site administrator. An explanation
for why this error could occur is below.
Community Server expects to find a valid XML file containing all of the
links for a community. By default, this file is located at the root of the
with the name SiteUrls.config.
A common error is that SiteUrls.config included unescaped XML characters, such as
"&" when defining a querystring.