Secure Your ASP.NET Web Forms Application with OpenID Connect and Okta

[corsini]

I am doing testing with this example, but get this error when I attempt to login:

IDX20807: Unable to retrieve document from: ‘https://myOktadomain.us.auth0.com/oauth2/default/.well-known/openid-configuration’. HttpResponseMessage: 'StatusCode: 404, ReasonPhrase: ‘Not Found’, Version: 1.1, Content:

Any thoughts?