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

# Appointment Already Completed

> The appointment has already been completed

## Cause

The requested appointment cannot be changed because it has already been completed.

## Fix

Refresh the appointment state before retrying the action.

## Retry safety

Not retryable until the underlying state or request changes.

## Raised by

These operations can return this problem:

* [Create an appointment cancellation](/api-reference/appointments/create-an-appointment-cancellation)
* [Cancel a specific appointment for me](/api-reference/customers/cancel-a-specific-appointment-for-me)

## Example

```json theme={null}
{
  "type": "https://docs.guile.app/problems/appointmentAlreadyCompleted",
  "title": "Appointment Already Completed",
  "status": 409,
  "detail": "The requested appointment cannot be changed because it has already been completed."
}
```