Request Failed. POST /api/series: Failed to read complete http response

Exception
System.Net.WebException: Failed to read complete http response ---> System.IO.IOException: Unable to read data from the transport connection: An existing connection was forcibly closed by the remote host. ---> System.Net.Sockets.SocketException: An existing connection was forcibly closed by the remote host
   at System.Net.Sockets.Socket.Receive(Byte[] buffer, Int32 offset, Int32 size, SocketFlags socketFlags)
   at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size)
   --- End of inner exception stack trace ---
   at System.Net.GZipWrapperStream.Read(Byte[] buffer, Int32 offset, Int32 size)
   at NzbDrone.Common.Extensions.StreamExtensions.ToBytes(Stream input) in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Common\Extensions\StreamExtensions.cs:line 13
   at NzbDrone.Common.Http.Dispatchers.ManagedHttpDispatcher.GetResponse(HttpRequest request, CookieContainer cookies) in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Common\Http\Dispatchers\ManagedHttpDispatcher.cs:line 109
   --- End of inner exception stack trace ---
   at NzbDrone.Common.Http.Dispatchers.ManagedHttpDispatcher.GetResponse(HttpRequest request, CookieContainer cookies) in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Common\Http\Dispatchers\ManagedHttpDispatcher.cs:line 113
   at NzbDrone.Common.Http.Dispatchers.FallbackHttpDispatcher.GetResponse(HttpRequest request, CookieContainer cookies) in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Common\Http\Dispatchers\FallbackHttpDispatcher.cs:line 53
   at NzbDrone.Common.Http.HttpClient.ExecuteRequest(HttpRequest request, CookieContainer cookieContainer) in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Common\Http\HttpClient.cs:line 121
   at NzbDrone.Common.Http.HttpClient.Execute(HttpRequest request) in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Common\Http\HttpClient.cs:line 57
   at NzbDrone.Common.Http.HttpClient.Get[T](HttpRequest request) in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Common\Http\HttpClient.cs:line 269
   at NzbDrone.Core.MetadataSource.SkyHook.SkyHookProxy.GetSeriesInfo(Int32 tvdbSeriesId) in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Core\MetadataSource\SkyHook\SkyHookProxy.cs:line 40
   at NzbDrone.Core.Tv.AddSeriesService.AddSkyhookData(Series newSeries) in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Core\Tv\AddSeriesService.cs:line 77
   at NzbDrone.Core.Tv.AddSeriesService.AddSeries(Series newSeries) in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Core\Tv\AddSeriesService.cs:line 46
   at NzbDrone.Api.Series.SeriesModule.AddSeries(SeriesResource seriesResource) in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Api\Series\SeriesModule.cs:line 113
   at NzbDrone.Api.REST.RestModule`1.<set_CreateResource>b__41_0(Object options) in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Api\REST\RestModule.cs:line 155
   at CallSite.Target(Closure , CallSite , Func`2 , Object )
   at Nancy.Routing.Route.<>c__DisplayClass4.<Wrap>b__3(Object parameters, CancellationToken context)