# bad_pairing

> `pairedWithId` must name another transport line of this quote.

**Bad pairing** · HTTP 422

## What it means

`pairedWithId` must name another transport line of this quote.

## What to do

Pair it with a transport line's id.

## Example

```json
{
  "type": "https://api.bymundi.com/problems/bad_pairing",
  "title": "Bad pairing",
  "status": 422,
  "detail": "`pairedWithId` must name another transport line of this quote.",
  "code": "bad_pairing",
  "requestId": "req_…"
}
```

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