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I’m using the DuoUniversal C# SDK. Everything works fine most of the time. But intermittently, the call to Client.ExchangeAuthorizationCodeFor2faResult() throws an error because the call to the /oauth/v1/token API has returned a 400 Bad Request res...
Some more info. I ran the client library in source (from Github) and found the HTTP 400 error response from the API has the following body:
{“error”: “invalid_client”, “error_description”: “Invalid Client assertion: Token used before nbf.”}
But as I...
