---
title: Why did my connection stop working with a login or token error?
description: "Your Salesforce authorization expired or was revoked from the Salesforce side. Disconnect and reconnect your Salesforce account to restore access. ### More Related Articles - [Why is a specific incoming reply missing from Salesforce?](https://www.smsgatewaycenter.com/blog/kb/why-is-a-specific-incoming-reply-missing-from-salesforce/) - [Why does a connection show…"
url: "https://www.smsgatewaycenter.com/blog/kb/why-did-my-connection-stop-working-with-a-login-or-token-error/"
updated: "2026-08-29"
category: Integrations / Salesforce CRM Messaging Integration / Troubleshooting
---

# Why did my connection stop working with a login or token error?

Your Salesforce authorization expired or was revoked from the Salesforce side. Disconnect and reconnect your Salesforce account to restore access.

### More Related Articles

- [Why is a specific incoming reply missing from Salesforce?](https://www.smsgatewaycenter.com/blog/kb/why-is-a-specific-incoming-reply-missing-from-salesforce/)
- [Why does a connection show as Paused?](https://www.smsgatewaycenter.com/blog/kb/why-does-a-connection-show-as-paused-3/)
- [Why is the WhatsApp or RCS template dropdown empty?](https://www.smsgatewaycenter.com/blog/kb/why-is-the-whatsapp-or-rcs-template-dropdown-empty-2/)

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