When seeing the error of “There is no entity having the ticket specified…”

Authlete API server sends  ticket-related errors like below:

[A041201] There is no entity having the ticket specified in the /api/auth/authorization/issue request (ticket = {Ticket}).

You will see this error in the following conditions:

1. The ticket used in a request is already expired, or
2. The ticket used in a request is already used before.

As to the detail of the ticket parameter, please check the following article.
Ticket parameter in Authorization Endpoint