---
title: "Gatekeeper error 3840"
slug: "gatekeeper-error-3840"
updated: 2026-09-28T06:23:34Z
published: 2026-09-28T06:23:34Z
canonical: "help.quickbase.com/gatekeeper-error-3840"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://help.quickbase.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Gatekeeper error 3840

This error is most associated with network firewall issues. If you get this error you can try these items

- Try logging in on a different wifi network
- Try restarting your device
- Whitelist our servers. Here is a short article https://mergemobile.zendesk.com/hc/en-us/articles/210669983-Email-Delivery-and-FTP-SFTP-Troubleshooting
- If your device is corporate issued, you may have a VPN setup on your device. You can check to see if you have a VPN by going to your device settings -> General -> VPN. If you do have a VPN setup on your device then you will need to contact your corporate IT administrator and talk to them about Whitelisting our servers https://mergemobile.zendesk.com/hc/en-us/articles/210669983-Email-Delivery-and-FTP-SFTP-Troubleshooting

If you continue having issues with this error even after trying the above items, please email [fastfieldsupport@mergemobile.com](mailto:fastfieldsupport@mergemobile.com)