Skip to content Skip to navigation Skip to topbar

Twilio Docs

Error and Warning Dictionary Debugging Your Twilio Application Alarms

Messaging
Voice
Serverless
Flex
Studio
All docs...

SDKs
Help

Log in
Sign up

Rate this page:

12345

On this page

WARNING: 13252
Warning - 13252

Dial: Invalid header name

Warning - 13252

Dial: Invalid header name

Dial: Invalid header name

WARNING: 13252

WARNING

Warning - 13252

Dial: Invalid header name

You named your header something invalid.

Rate this page:

12345

Need some help?

We all do sometimes; code is hard. Get help now from our support team, or lean on the wisdom of the crowd by visiting Twilio's Stack Overflow Collective or browsing the Twilio tag on Stack Overflow.

Terms of service

Copyright © 2024 Twilio Inc.