---
page_type: error
code: 13321
message: "13321: Gather -> Say: Invalid voice value"
level: WARNING
product: Programmable Voice
---

## Description

The value of the voice attribute must be valid one.\
See the [Say Verb](/docs/voice/twiml/say#voice) API Reference for more information.

### Possible Causes

- You have entered an invalid attribute for voice parameter

### Possible Solutions

- Enter a valid voice as parameter