I have problem with
running the TelerikMvcWebMail application .
I opened
application with VS 2017
When try run it ,
the following error occurs: “Unable to find version '2018.3.911' of
package 'Telerik.UI.for.AspNet.Mvc5.Trial'.”
When I tried the
install/update the (the package source Telerik.com defined and have connection
to the server https://nuget.telerik.com/nuget)
I also got the error:
Severity Code Description Project File Line Suppression
State
Error NuGet Package
restore failed for project TelerikMvcWebMail: Unable to find version
'2018.3.911' of package 'Telerik.UI.for.AspNet.Mvc5.Trial'. https://www.nuget.org/api/v2/curated-feeds/microsoftdotnet/:
Error downloading 'Telerik.UI.for.AspNet.Mvc5.Trial.2018.3.911' from
'https://www.nuget.org/api/v2/curated-feeds/microsoftdotnet/'. The
ServicePointManager does not support proxies with the https scheme. https://api.nuget.org/v3/index.json:
Package 'Telerik.UI.for.AspNet.Mvc5.Trial.2018.3.911' is not found on source
'https://api.nuget.org/v3/index.json'. https://nuget.telerik.com/nuget:
Unable to load the service index for source https://nuget.telerik.com/nuget.
An error occurred while sending the request. The request was aborted:
The request was canceled. This method is not supported by this class.. 0
Can you help me
please to solve the problem?