# INTERNAL_CACHE_ERROR

The `INTERNAL_CACHE_ERROR` error occurs during an unexpected issue in the CDN while retrieving data from the Vercel CDN cache.

## Troubleshoot

To troubleshoot this error, follow these steps:

1. **Contact support:** If the error persists, [contact support](/help#issues) for further assistance


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title: "INTERNAL_CACHE_KEY_TOO_LONG"
description: "The CDN is failing to fetch from the internal cache due to a cache key being too long. This error can be caused by a request URL that is too long."
last_updated: "2026-02-03T02:58:41.782Z"
source: "https://vercel.com/docs/errors/INTERNAL_CACHE_KEY_TOO_LONG"
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