# undo_expired

> Passenger changes can be undone for 30 days; this one is older.

**Undo window passed** · HTTP 409

## What it means

Passenger changes can be undone for 30 days; this one is older.

## What to do

Make the inverse edit yourself.

## Example

```json
{
  "type": "https://api.bymundi.com/problems/undo_expired",
  "title": "Undo window passed",
  "status": 409,
  "detail": "Passenger changes can be undone for 30 days; this one is older.",
  "code": "undo_expired",
  "requestId": "req_…"
}
```

How to read any error: [Errors guide](https://api.bymundi.com/docs/guides/errors.md).