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# Turbopack internal error, corrupted build cache - unfixable

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Jonathanlis7 7638 (@jonathanlis7-7638) · 2025-12-17

Here is a summary of my issue;
There is a Turbopack internal error and Vercel cannot fix it
Next.js version and the fact that forcing no build cache didn't resolve it
Tried to request for manual cache clearance but got sent to support/community instead.
please advise.


Pauline P. Narvas (@pawlean) · 2026-01-06

Hey, @jonathanlis7-7638! 

Could you try some local troubleshooting? 

* Delete your `.next` folder and `node_modules`, then run `npm install` (or your package manager equivalent)
* Try building without Turbopack temporarily by removing the `--turbo` flag from your build command
* Check if you can reproduce the issue in a fresh Next.js project with the same dependencies

You could also try triggering a fresh deployment on Vercel. 

If that doesn't work, feel free to share a [minimal reproducible example](http://vercel.com/guides/creating-a-minimal-reproducible-example) with us.