A connection was successfully established with the server, but then an error occurred during the login process. (provider: Shared Memory Provider, error: 0 - No process is on the other end of the pipe.)
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.