---
title: INTERNAL_ROUTER_CANNOT_PARSE_PATH
product: vercel
url: /docs/errors/INTERNAL_ROUTER_CANNOT_PARSE_PATH
canonical_url: "https://vercel.com/docs/errors/INTERNAL_ROUTER_CANNOT_PARSE_PATH"
last_updated: 2026-02-09
type: reference
prerequisites:
  []
related:
  []
summary: The CDN has failed to parse application-specified URL, such as rewrite/redirection URLs.
install_vercel_plugin: npx plugins add vercel/vercel-plugin
---

# INTERNAL_ROUTER_CANNOT_PARSE_PATH

The `INTERNAL_ROUTER_CANNOT_PARSE_PATH` error occurs when the CDN has failed to parse application-specified URL, such as rewrite/redirection URLs.

**Error Code:** `500`

**Name:** Internal Server Error

## Troubleshoot

To troubleshoot this error, follow these steps:

1. **Check configuration**: Check your configuration and make sure your app doesn't generate invalid URLs


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