---
page_type: error
code: 32501
message: "32501: Voice Conversation: TwiML attributes validation error."
level: ERROR
product: Programmable Voice
---

## Description

Invalid attributes found in noun.

### Possible Causes

- Invalid attributes within the noun.
- Can be caused by any invalid syntax within the noun.

### Possible Solutions

- Check attribute names or the values following the noun.
- Refer to the twiml docs page "/docs/voice/twiml/connect/conversation" for more information.