Click the server or publishing point for which you want to
configure the plug-in properties.
In the details pane, click the Properties tab.
In Category, click the plug-in category.
In Plug-in, click the plug-in you want to configure, and
then click Properties. The Properties button is
unavailable if a plug-in does not have configurable
properties.
The server encountered an internal error or
misconfiguration and was unable to complete
your request.
Please contact the server administrator at
webmaster@systemmanager.forsenergy.ru to inform them of the time this error occurred,
and the actions you performed just before this error.
More information about this error may be available
in the server error log.
Additionally, a 500 Internal Server Error
error was encountered while trying to use an ErrorDocument to handle the request.