Turbopack Error: assertion left == right failed: Validation on the CLOEXEC pipe failed: [105, 109, 112, 111, 114, 116, 32, 123]

[santiagogubadev]

Turbopack version: a51b80449
Next.js version: 16.0.3

Package manager: pnpm

On: pnpm run dev

Error message:

Turbopack Error: assertion `left == right` failed: Validation on the CLOEXEC pipe failed: [105, 109, 112, 111, 114, 116, 32, 123]

[0franco]

I faced a similar issue on a v16 app dev env, it just popped out after adding wrong values on next.config file, I just cleaned that error with:

rm -rf node_modules && npm i