---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/64112#article
headline: "64112: ConversationRelay: TTS conversion error"
url: https://www.twilio.com/docs/api/errors/64112
inLanguage: en
dateModified: 2026-03-11T22:03:37.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 64112: ConversationRelay: TTS conversion error

Log Type: APPLICATION

Log Level: ERROR

## Description

Tokens could not be converted to speech and played because there was an error in conversion parameters

### Possible causes

Wrong voice, model or other parameters

### Possible solutions

Correct the choice of voice, model or other parameters