Trying to create a support request gave me this dump:
"Server Error in ‘/’ Application.
Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately.
Parser Error Message: An extension named httpsTransport already appears in the CustomBindingElement. Extension names must be unique.
An application error occurred on the server. The current custom error settings for this application prevent the details of the application error from being viewed remotely (for security reasons). It could, however, be viewed by browsers running on the local server machine.
Source File: D:\webapps\www\web.config Line: 183
Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.6.1586.0 "