# confirmation_required

> This change is large or cannot be undone, so it must be confirmed (for example deleting more than 5 blocks or 30% of an itinerary, or deleting a quote, document, contact or catalog entry). The body sets `requiresConfirmation: true`.

**Confirmation required** · HTTP 422

## What it means

This change is large or cannot be undone, so it must be confirmed (for example deleting more than 5 blocks or 30% of an itinerary, or deleting a quote, document, contact or catalog entry). The body sets `requiresConfirmation: true`.

## What to do

Repeat the same request with `confirm` set to the exact name the detail asks for (the trip's title, the quote's name, the contact's email…).

## Example

```json
{
  "type": "https://api.bymundi.com/problems/confirmation_required",
  "title": "Confirmation required",
  "status": 422,
  "detail": "This change is large or cannot be undone, so it must be confirmed (for example deleting more than 5 blocks or 30% of an itinerary, or deleting a quote, document, contact or catalog entry). The body sets `requiresConfirmation: true`.",
  "code": "confirmation_required",
  "requestId": "req_…"
}
```

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