> ## Documentation Index
> Fetch the complete documentation index at: https://developers.authlete.com/llms.txt
> Use this file to discover all available pages before exploring further.

# There Is No Entity Having the Ticket Error

> The article covers the conditions under which the error There is no entity having the ticket specified may occur in the Authlete API server.

## 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 = ).

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](/configuration-reference/endpoints/ticket-parameter-in-authorization-endpoint)