Error 500 with Next.js 16 beta and type: "module"

[marcofugaro]

Summary

I upgraded my project to Next.js 16 beta, to use turbopack. When building it works fine, but when deploying it to Vercel, it fails with a 500 error. This is the error:

Additional information

I am guessing the new Next.js/Vercel runtime doesn't play nice with type="module"

Example

No response