Could not create SSL/TLS

[enricodeveloper]

i get this error: Could not create SSL/TLS secure channel, why?

[markvantilburg]

What is the error you get?

The underlying connection was closed: An unexpected error occurred on a receive ?

[enricodeveloper]

What is the error you get

after this code

MessageBird.Objects.Conversations.Conversation conversation = client.StartConversation(message); var jsonString = JsonConvert.SerializeObject(conversation, Formatting.Indented, new JsonConverter[] { });

i get this error in ee.HasReason: The request was aborted: Could not create SSL/TLS secure channel.