in DotNetOpenAuth.Messaging.StandardWebRequestHandler.GetResponse(HttpWebRequest request, DirectWebRequestOptions options) in DotNetOpenAuth.Messaging.Channel.RequestCore(IDirectedProtocolMessage request) in DotNetOpenAuth.Messaging.Channel.Request(IDirectedProtocolMessage requestMessage) in DotNetOpenAuth.Messaging.Channel.Request[TResponse](IDirectedProtocolMessage requestMessage) in DotNetOpenAuth.OAuth.ConsumerBase.PrepareRequestUserAuthorization(Uri callback, IDictionary`2 requestParameters, IDictionary`2 redirectParameters, String& requestToken) in DotNetOpenAuth.AspNet.Clients.DotNetOpenAuthWebConsumer.RequestAuthentication(Uri callback) in BusinessInternational.Controllers.SocialController.LinkedIn(String oauth_token) in C:\Users\Massimiliano\Progetti\BusinessInternational\BusinessInternational\Controllers\SocialController.cs:riga 141