---
title: Troubleshooting
slug: neurons-ipaas/help/enu/latest/troubleshooting
createdAt: 2026-05-19T13:16:49.772Z
---

**Error message - "App refused to connect".**

If you receive the above error when rendering the connection \<iframe>, it is usually because your browser security settings do not allow third-party cookies. Configure your browser to enable cookie access in a third-party context.

- **Google Chrome:** Enable all cookies. Google Chrome blocks third-party cookies in Incognito mode by default. Enable third-party cookies in Incognito mode by going to **Settings** > **Privacy and security** > **General settings** and select **Allow all cookies**.
- **Apple Safari:** Disable **prevent cross-site tracking** in **Preferences** > **Privacy**.