---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/86004#article
headline: "86004: Invalid attribute"
url: https://www.twilio.com/docs/api/errors/86004
inLanguage: en
dateModified: 2026-03-11T22:03:37.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 86004: Invalid attribute

Log Type: APPLICATION

Log Level: ERROR

## Description

Invalid attribute provided within the TwiML.

### Possible causes

One of the submitted attributes to the TwiML is invalid.

### Possible solutions

Validate that attributes provided are corrected.