2023-01-30 20:37:53.1|Warn|NotificationService|Unable to send OnDownload notification to: Pushover

[v3.0.9.1549] System.Net.WebException: Error: SecureChannelFailure (Remote prematurely closed connection.): 'https://api.pushover.net/1/messages.json' ---> System.Net.WebException: Error: SecureChannelFailure (Remote prematurely closed connection.) ---> System.IO.IOException: Remote prematurely closed connection.
  at Mono.Net.Security.AsyncProtocolRequest.ProcessOperation (System.Threading.CancellationToken cancellationToken) [0x000e3] in <33b19a7ad5234d94abf4fd9b47566616>:0
  at Mono.Net.Security.AsyncProtocolRequest.StartOperation (System.Threading.CancellationToken cancellationToken) [0x0008b] in <33b19a7ad5234d94abf4fd9b47566616>:0
  at Mono.Net.Security.MobileAuthenticatedStream.ProcessAuthentication (System.Boolean runSynchronously, Mono.Net.Security.MonoSslAuthenticationOptions options, System.Threading.CancellationToken cancellationToken) [0x00262] in <33b19a7ad5234d94abf4fd9b47566616>:0
  at Mono.Net.Security.MonoTlsStream.CreateStream (System.Net.WebConnectionTunnel tunnel, System.Threading.CancellationToken cancellationToken) [0x0016a] in <33b19a7ad5234d94abf4fd9b47566616>:0
  at System.Net.WebConnection.CreateStream (System.Net.WebOperation operation, System.Boolean reused, System.Threading.CancellationToken cancellationToken) [0x001ba] in <33b19a7ad5234d94abf4fd9b47566616>:0
   --- End of inner exception stack trace ---
  at System.Net.WebConnection.CreateStream (System.Net.WebOperation operation, System.Boolean reused, System.Threading.CancellationToken cancellationToken) [0x0021a] in <33b19a7ad5234d94abf4fd9b47566616>:0
  at System.Net.WebConnection.InitConnection (System.Net.WebOperation operation, System.Threading.CancellationToken cancellationToken) [0x00141] in <33b19a7ad5234d94abf4fd9b47566616>:0
  at System.Net.WebOperation.Run () [0x0009a] in <33b19a7ad5234d94abf4fd9b47566616>:0
  at System.Net.WebCompletionSource`1[T].WaitForCompletion () [0x00094] in <33b19a7ad5234d94abf4fd9b47566616>:0
  at System.Net.HttpWebRequest.GetRequestStream () [0x00016] in <33b19a7ad5234d94abf4fd9b47566616>:0
  at NzbDrone.Common.Http.Dispatchers.ManagedHttpDispatcher.GetResponse (NzbDrone.Common.Http.HttpRequest request, System.Net.CookieContainer cookies) [0x000f7] in M:\BuildAgent\work\63739567f01dbcc2\src\NzbDrone.Common\Http\Dispatchers\ManagedHttpDispatcher.cs:75
   --- End of inner exception stack trace ---
  at NzbDrone.Common.Http.Dispatchers.ManagedHttpDispatcher.GetResponse (NzbDrone.Common.Http.HttpRequest request, System.Net.CookieContainer cookies) [0x001c0] in M:\BuildAgent\work\63739567f01dbcc2\src\NzbDrone.Common\Http\Dispatchers\ManagedHttpDispatcher.cs:107
  at NzbDrone.Common.Http.HttpClient.ExecuteRequest (NzbDrone.Common.Http.HttpRequest request, System.Net.CookieContainer cookieContainer) [0x00086] in M:\BuildAgent\work\63739567f01dbcc2\src\NzbDrone.Common\Http\HttpClient.cs:126
  at NzbDrone.Common.Http.HttpClient.Execute (NzbDrone.Common.Http.HttpRequest request) [0x00008] in M:\BuildAgent\work\63739567f01dbcc2\src\NzbDrone.Common\Http\HttpClient.cs:59
  at NzbDrone.Common.Http.HttpClient.Post (NzbDrone.Common.Http.HttpRequest request) [0x00007] in M:\BuildAgent\work\63739567f01dbcc2\src\NzbDrone.Common\Http\HttpClient.cs:300
  at NzbDrone.Core.Notifications.Pushover.PushoverProxy.SendNotification (System.String title, System.String message, NzbDrone.Core.Notifications.Pushover.PushoverSettings settings) [0x000d4] in M:\BuildAgent\work\63739567f01dbcc2\src\NzbDrone.Core\Notifications\Pushover\PushoverProxy.cs:52
  at NzbDrone.Core.Notifications.Pushover.Pushover.OnDownload (NzbDrone.Core.Notifications.DownloadMessage message) [0x00000] in M:\BuildAgent\work\63739567f01dbcc2\src\NzbDrone.Core\Notifications\Pushover\Pushover.cs:26
  at NzbDrone.Core.Notifications.NotificationService.Handle (NzbDrone.Core.MediaFiles.Events.EpisodeImportedEvent message) [0x000e1] in M:\BuildAgent\work\63739567f01dbcc2\src\NzbDrone.Core\Notifications\NotificationService.cs:168