Error code: 80019 - Auth Server Rejecting Request

This error is raised by the client libraries in cases 2.2 or 2.3 of https://www.ably.io/documentation/core-features/authentication#token-process . If the request to the customer's auth server fails then an 80019 error is raised. If this happens, you should investigate why your client is failing to send the request.

If you are still unsure of the cause or have any other other Ably related questions then please contact us by emailing support@ably.com