---
title: INTERNAL_MICROFRONTENDS_INVALID_CONFIGURATION_ERROR
product: vercel
url: /docs/errors/INTERNAL_MICROFRONTENDS_INVALID_CONFIGURATION_ERROR
type: reference
prerequisites:
  []
related:
  - /docs/microfrontends/quickstart
summary: The microfrontend configuration file is invalid.
install_vercel_plugin: npx plugins add vercel/vercel-plugin
---

# INTERNAL_MICROFRONTENDS_INVALID_CONFIGURATION_ERROR

The `INTERNAL_MICROFRONTENDS_INVALID_CONFIGURATION_ERROR` error occurs when the configuration file for the deployment is invalid.

This error indicates that an invalid configuration file has been deployed.

## Troubleshoot

To troubleshoot this error, follow these steps:

1. Ensure the config in your `microfrontends.json` file is valid, see the [documentation](/docs/microfrontends/quickstart).
2. Ensure you are on the latest version of the [`@vercel/microfrontends`](https://www.npmjs.com/package/@vercel/microfrontends) package.
3. We have been notified of this error. For more information, check the [Vercel status page](https://www.vercel-status.com/) or [contact Vercel support](/help#issues)


---

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