---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/50430#article
headline: "50430: Participant is not a member of conversation"
url: https://www.twilio.com/docs/api/errors/50430
inLanguage: en
dateModified: 2026-05-05T17:40:20.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 50430: Participant is not a member of conversation

Log Level: ERROR

## Description

The requested participant is not a member of this conversation.

### Possible causes

* The requested participant was removed from this conversation, or was never added to it.
* The requested participant SID is misspelled.
* The requested participant is a member of a different conversation.

### Possible solutions

* Ensure that the participant is added to the conversation. Use API to [create a new participant](/docs/conversations-classic/api/conversation-participant-resource#add-a-conversation-participant-sms).