---
title: INTERNAL_UNEXPECTED_ERROR
product: vercel
url: /docs/errors/INTERNAL_UNEXPECTED_ERROR
type: reference
prerequisites:
  []
related:
  []
summary: An unexpected internal error occurred. This is a general internal error.
install_vercel_plugin: npx plugins add vercel/vercel-plugin
---

# INTERNAL_UNEXPECTED_ERROR

The `INTERNAL_UNEXPECTED_ERROR` error occurs when an unexpected and unspecified internal error happens within the system. This type of error can be due to a variety of reasons, including system faults, unhandled exceptions, or unforeseen issues in the application.

**Error Code:** `500`

**Name:** Internal Server Error

## Troubleshoot

To troubleshoot this error, follow these steps:

1. **Contact support:** Since this error is general and could be due to a variety of reasons, [contact support](/help#issues) for further assistance, supplying your deployment ID


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