---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/83700#article
headline: "83700: Attachment Failed Due To Internal Error"
url: https://www.twilio.com/docs/api/errors/83700
inLanguage: en
dateModified: 2026-03-11T22:03:37.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 83700: Attachment Failed Due To Internal Error

Log Type: TWILIO

Log Level: ERROR

## Description

An unexpected error occurred while attempting to process your SIM's attachment request to the Network. This is usually a transient error and should resolve itself in time.

### Possible causes

* An unexpected error occurred in processing your SIM's attachment to the Network

### Possible solutions

* Retry connecting to the Network from your device.
* If this issue persists for your SIM, please contact Twilio Support.