---
page_type: error
code: 13325
message: "13325: Gather->Play: Invalid Content-Type"
level: ERROR
---

## Error - 13325

### Gather->Play: Invalid Content-Type

Play requires an audio Content-Type

#### Possible Causes

- Play references a URL that does not return audio or is returning an invalid Content-Type.

#### Possible Solutions

- Make certain the URL returns an audio file
- See the [Play Verb](/docs/api/twiml/play) API Reference for more information on valid Content-Types.