# SANBDOX_NOT_FOUND

The `SANDBOX_NOT_FOUND` error occurs when you are trying to access a Sandbox that does not exist. This could happen if there is a typo in the URL.

## Troubleshoot

To troubleshoot this error, follow these steps:

1. **Verify the Sandbox URL:** Navigate to the [Sandboxes dashboard](/d?to=%2F%5Bteam%5D%2F%5Bproject%5D%2Fobservability%2Fsandboxes\&title=Go+to+Sandboxes), select the one you want to access, and copy the displayed URL
2. **Check for typos:** Ensure that there are no typos in the Sandbox URL you are trying to access


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title: "SANBDOX_NOT_LISTENING"
description: "The Sandbox is not listening on the requested port. This is an application error."
last_updated: "2026-02-03T02:58:42.223Z"
source: "https://vercel.com/docs/errors/SANDBOX_NOT_LISTENING"
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