# delivery_busy

> That delivery is still queued or being sent.

**Delivery in flight** · HTTP 409

## What it means

That delivery is still queued or being sent.

## What to do

Wait for it to finish before resending.

## Example

```json
{
  "type": "https://api.bymundi.com/problems/delivery_busy",
  "title": "Delivery in flight",
  "status": 409,
  "detail": "That delivery is still queued or being sent.",
  "code": "delivery_busy",
  "requestId": "req_…"
}
```

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