---
page_type: error
code: 30102
message: "30102: TLS certificate for your Domain has expired."
level: ERROR
product: Programmable SMS
---

## Description

TLS certificate for the Domain you are using with Twilio Link Shortening has been expired.

### Possible Causes

TLS certificate associated with the Domain is expired.

### Possible Solutions

Generate and upload a new TLS certificate for the Domain through Twilio Link Shortening console or via Domain Certificate API.