---
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"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/50422#article
headline: "50422: Non-chat conversation participants limit exceeded"
url: https://www.twilio.com/docs/api/errors/50422
inLanguage: en
dateModified: 2026-05-05T17:40:20.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 50422: Non-chat conversation participants limit exceeded

Log Type: APPLICATION

Log Level: ERROR

## Description

The total number of non-chat participants in this conversation exceeds the allowed limit.

### Possible causes

You are trying to add more non-chat participants than allowed in this conversation. Maximum number of conversation participants is 50.

* You are trying to add more non-Chat participants than allowed in this conversation. [Maximum number](/docs/conversations-classic/conversations-limits) of conversation participants is 50.

### Possible solutions

* Retrieve a [list of current participants](/docs/conversations-classic/api/conversation-participant-resource#read-multiple-conversationparticipant-resources) in this conversation and [remove](/docs/conversations-classic/api/conversation-participant-resource#delete-a-conversationparticipant-resource) the ones that are no longer required.