---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/50505#article
headline: "50505: Programmable Chat: Last Updated By parameter is too long"
url: https://www.twilio.com/docs/api/errors/50505
inLanguage: en
dateModified: 2026-03-11T20:43:38.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 50505: Programmable Chat: Last Updated By parameter is too long

Log Level: ERROR

## Description

### Possible causes

* Last Updated By parameter is too long.

### Possible solutions

* Confirm a valid length Last Updated By is being passed in request.