Turbopack%!E(MISSING)rror%!A(MISSING)%!S(MISSING)ymlink%!n(MISSING)ode_modules%!i(MISSING)s%!i(MISSING)nvalid%!C(MISSING)%!i(MISSING)t%!p(MISSING)oints%!o(MISSING)ut%!o(MISSING)f%!t(MISSING)he%!f(MISSING)ilesystem%!r(MISSING)oot #85214

lipis · 2025-10-22T09:14:10Z

lipis
Oct 22, 2025

I was trying to deploy the latest NextJS 16 to Google App Engine and got this error... the build and dev works perfectly fine locally!

Turbopack%!v(MISSING)ersion%!A(MISSING)%609b25f18e%0ANext.js%!v(MISSING)ersion%!A(MISSING)%600.0.0%0A%!A(MISSING)Error%!m(MISSING)essage%!A(MISSING)%!A(MISSING)%60%0ATurbopack%!E(MISSING)rror%!A(MISSING)%!S(MISSING)ymlink%!n(MISSING)ode_modules%!i(MISSING)s%!i(MISSING)nvalid%!C(MISSING)%!i(MISSING)t%!p(MISSING)oints%!o(MISSING)ut%!o(MISSING)f%!t(MISSING)he%!f(MISSING)ilesystem%!r(MISSING)oot%!A(MISSING)%60%!


> Build error occurred
Error [TurbopackInternalError]: Symlink node_modules is invalid, it points out of the filesystem root

Debug info:
- Execution of get_all_written_entrypoints_with_issues_operation failed
- Execution of EntrypointsOperation::new failed
- Execution of all_entrypoints_write_to_disk_operation failed
- Execution of Project::emit_all_output_assets failed
- Execution of *emit_assets failed
- Execution of all_assets_from_entries_operation failed
- Execution of *all_assets_from_entries failed
- Execution of output_assets_operation failed
- Execution of Project::get_all_endpoints failed
- Execution of Project::entrypoints failed
- Execution of PagesProject::routes failed
- Execution of get_pages_structure_for_root_directory failed
- Execution of try_get_next_package failed
- Execution of *ResolveResult::first_source failed
- Execution of resolve failed
- Execution of resolve_internal failed
- Execution of find_package failed
- Symlink node_modules is invalid, it points out of the filesystem root
    at ignore-listed frames {
  type: 'TurbopackInternalError',
  location: undefined
}
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/install for documentation about this command.
Full build logs: https://console.cloud.google.com/cloud-build/builds;region=europe-west3/5a327cd0-2c35-4db1-a836-3f4c2aa4483e

bofeiw · 2025-11-11T07:15:53Z

bofeiw
Nov 11, 2025

Running into the same error. Firebase App Hosting throws the following error during build, despite local build has no issues:

<head></head>
Running "npm exec --prefix /layers/google.nodejs.firebasenextjs/npm_modules apphosting-adapter-nextjs-build"
--
  | Overriding Next Config to add configs optmized for Firebase App Hosting
  | Successfully created next.config.ts with Firebase App Hosting overrides
  |  
  | > [email protected] build
  | > next build
  |  
  | ⚠ Invalid next.config.ts options detected:
  | ⚠     Unrecognized key(s) in object: 'turboMode' at "experimental"
  | ⚠ See more info here: https://nextjs.org/docs/messages/invalid-next-config
  | ▲ Next.js 16.0.1 (Turbopack)
  | - Experiments (use with caution):
  | ? turboMode (invalid experimental key)
  |  
  | Creating an optimized production build ...
  |  
  | -----
  | FATAL: An unexpected Turbopack error occurred. A panic log has been written to /tmp/next-panic-4d139002080c7ff5617d35ff55859618.log.
  |  
  | To help make Turbopack better, report this error by clicking here: https://github.com/vercel/next.js/discussions/new?category=turbopack-error-report&title=Turbopack%!E(MISSING)rror%!A(MISSING)%!S(MISSING)ymlink%!n(MISSING)ode_modules%!i(MISSING)s%!i(MISSING)nvalid%!C(MISSING)%!i(MISSING)t%!p(MISSING)oints%!o(MISSING)ut%!o(MISSING)f%!t(MISSING)he%!f(MISSING)ilesystem%!r(MISSING)oot&body=Turbopack%!v(MISSING)ersion%!A(MISSING)%60142b08bf%0ANext.js%!v(MISSING)ersion%!A(MISSING)%600.0.0%0A%!A(MISSING)Error%!m(MISSING)essage%!A(MISSING)%!A(MISSING)%60%0ATurbopack%!E(MISSING)rror%!A(MISSING)%!S(MISSING)ymlink%!n(MISSING)ode_modules%!i(MISSING)s%!i(MISSING)nvalid%!C(MISSING)%!i(MISSING)t%!p(MISSING)oints%!o(MISSING)ut%!o(MISSING)f%!t(MISSING)he%!f(MISSING)ilesystem%!r(MISSING)oot%!A(MISSING)%60%!&(MISSING)labels=Turbopack,Turbopack%!P(MISSING)anic%!B(MISSING)acktrace
  | -----
  |  
  |  
  | > Build error occurred
  | Error [TurbopackInternalError]: Symlink node_modules is invalid, it points out of the filesystem root
  |  
  | Debug info:
  | - Execution of get_all_written_entrypoints_with_issues_operation failed
  | - Execution of EntrypointsOperation::new failed
  | - Execution of all_entrypoints_write_to_disk_operation failed
  | - Execution of Project::emit_all_output_assets failed
  | - Execution of *emit_assets failed
  | - Execution of all_assets_from_entries_operation failed
  | - Execution of *all_assets_from_entries failed
  | - Execution of output_assets_operation failed
  | - Execution of Project::get_all_endpoints failed
  | - Execution of Project::entrypoints failed
  | - Execution of AppProject::routes failed
  | - Execution of directory_tree_to_entrypoints_internal failed
  | - Execution of try_get_next_package failed
  | - Execution of *ResolveResult::first_source failed
  | - Execution of resolve failed
  | - Execution of resolve_internal failed
  | - Execution of find_package failed
  | - Symlink node_modules is invalid, it points out of the filesystem root
  | at ignore-listed frames {
  | type: 'TurbopackInternalError',
  | location: undefined
  | }
  | Restoring original next config in project root
  | /layers/google.nodejs.firebasenextjs/npm_modules/node_modules/@apphosting/common/dist/index.js:61
  | reject(new Error(`Build process exited with error code ${code}.`));
  | ^
  |  
  | Error: Build process exited with error code 1.
  | at ChildProcess.<anonymous> (/layers/google.nodejs.firebasenextjs/npm_modules/node_modules/@apphosting/common/dist/index.js:61:24)
  | at ChildProcess.emit (node:events:519:28)
  | at ChildProcess._handle.onexit (node:internal/child_process:293:12)
  |  
  | Node.js v22.21.0
  | Done "npm exec --prefix /layers/google.nodejs.firebasenextjs/npm_m..." (2.592426352s)
  | --------------------------------------------------------------------------------
  | failed to build: (error ID: f21d6365):
  | {"reason":"Failed Framework Build","code":"fah/failed-framework-build","userFacingMessage":"Your application failed to run the framework build command 'npm exec --prefix /layers/google.nodejs.firebasenextjs/npm_modules apphosting-adapter-nextjs-build' successfully. Please check the raw log to address the error and confirm that your application builds locally before redeploying.","rawLog":"(error ID: d0a693a9):
  | Overriding Next Config to add configs optmized for Firebase App Hosting
  | Successfully created next.config.ts with Firebase App Hosting overrides
  |  
  | > [email protected] build
  | > next build
  |  
  | ⚠ Invalid next.config.ts options detected:
  | ⚠     Unrecognized key(s) in object: 'turboMode' at "experimental"
  | ⚠ See more info here: https://nextjs.org/docs/messages/invalid-next-config
  | ▲ Next.js 16.0.1 (Turbopack)
  | - Experiments (use with caution):
  | ? turboMode (invalid experimental key)
  |  
  | Creating an optimized production build ...
  |  
  | -----
  | FATAL: An unexpected Turbopack error occurred. A panic log has been written to /tmp/next-panic-4d139002080c7ff5617d35ff55859618.log.
  |  
  | To help make Turbopack better, report this error by clicking here: https://github.com/vercel/next.js/discussions/new?category=turbopack-error-report&title=Turbopack%!!(MISSING)E(MISSING)rror%!!(MISSING)A(MISSING)%!!(MISSING)S(MISSING)ymlink%!!(MISSING)n(MISSING)ode_modules%!!(MISSING)i(MISSING)s%!!(MISSING)i(MISSING)nvalid%!!(MISSING)C(MISSING)%!!(MISSING)i(MISSING)t%!!(MISSING)p(MISSING)oints%!!(MISSING)o(MISSING)ut%!!(MISSING)o(MISSING)f%!!(MISSING)t(MISSING)he%!!(MISSING)f(MISSING)ilesystem%!!(MISSING)r(MISSING)oot&body=Turbopack%!!(MISSING)v(MISSING)ersion%!!(MISSING)A(MISSING)%!b(MISSING)08bf%!A(MISSING)Next.js%!!(MISSING)v(MISSING)ersion%!!(MISSING)A(MISSING)%!.(MISSING)0%!A(MISSING)%!!(MISSING)A(MISSING)Error%!!(MISSING)m(MISSING)essage%!!(MISSING)A(MISSING)%!!(MISSING)A(MISSING)%0ATurbopack%!!(MISSING)E(MISSING)rror%!!(MISSING)A(MISSING)%!!(MISSING)S(MISSING)ymlink%!!(MISSING)n(MISSING)ode_modules%!!(MISSING)i(MISSING)s%!!(MISSING)i(MISSING)nvalid%!!(MISSING)C(MISSING)%!!(MISSING)i(MISSING)t%!!(MISSING)p(MISSING)oints%!!(MISSING)o(MISSING)ut%!!(MISSING)o(MISSING)f%!!(MISSING)t(MISSING)he%!!(MISSING)f(MISSING)ilesystem%!!(MISSING)r(MISSING)oot%!!(MISSING)A(MISSING)%!&(MISSING)labels=Turbopack,Turbopack%!!(MISSING)P(MISSING)anic%!!(MISSING)B(MISSING)acktrace
  | -----
  |  
  |  
  | > Build error occurred
  | Error [TurbopackInternalError]: Symlink node_modules is invalid, it points out of the filesystem root
  |  
  | Debug info:
  | - Execution of get_all_written_entrypoints_with_issues_operation failed
  | - Execution of EntrypointsOperation::new failed
  | - Execution of all_entrypoints_write_to_disk_operation failed
  | - Execution of Project::emit_all_output_assets failed
  | - Execution of *emit_assets failed
  | - Execution of all_assets_from_entries_operation failed
  | - Execution of *all_assets_from_entries failed
  | - Execution of output_assets_operation failed
  | - Execution of Project::get_all_endpoints failed
  | - Execution of Project::entrypoints failed
  | - Execution of AppProject::routes failed
  | - Execution of directory_tree_to_entrypoints_internal failed
  | - Execution of try_get_next_package failed
  | - Execution of *ResolveResult::first_source failed
  | - Execution of resolve failed
  | - Execution of resolve_internal failed
  | - Execution of find_package failed
  | - Symlink node_modules is invalid, it points out of the filesystem root
  | at ignore-listed frames {
  | type: 'TurbopackInternalError',
  | location: undefined
  | }
  | Restoring original next config in project root
  | /layers/google.nodejs.firebasenextjs/npm_modules/node_modules/@apphosting/common/dist/index.js:61
  | reject(new Error(`Build process exited with error code ${code}.`));
  | ^
  |  
  | Error: Build process exited with error code 1.
  | at ChildProcess.<anonymous> (/layers/google.nodejs.firebasenextjs/npm_modules/node_modules/@apphosting/common/dist/index.js:61:24)
  | at ChildProcess.emit (node:events:519:28)
  | at ChildProcess._handle.onexit (node:internal/child_process:293:12)
  |  
  | Node.js v22.21.0"}
  | ERROR: failed to build: exit status 1
  | ERROR: failed to build: executing lifecycle: failed with status code: 51
  | Finished Step #2 - "pack"
  | ERROR
  | ERROR: build step 2 "gcr.io/k8s-skaffold/pack" failed: step exited with non-zero status: 1

1 reply

don-siu Jan 5, 2026

I am facing the same issue. Any idea how to fix this?

EloWeld · 2025-11-22T10:44:41Z

EloWeld
Nov 22, 2025

Me too, Symlink venv/bin/python is invalid, it points out of the filesystem root
at (TurbopackInternalError: [project]/src/features/streaming/base/api/server/recording.service.ts [app-route] (ecmascript)) {

0 replies

andrinbr · 2026-01-06T08:59:15Z

andrinbr
Jan 6, 2026

Still the same issue with Next.js 16.1.1:
Error [TurbopackInternalError]: Symlink node_modules is invalid, it points out of the filesystem root

Using the knative build process: https://github.com/knative/func/releases
Build command: func build -v --push --image example:latest

Webpack works fine.

0 replies

ignaciotoptive · 2026-01-06T18:35:40Z

ignaciotoptive
Jan 6, 2026

Facing the same issue when deploying to Firebase App Hosting (Next.js 16.1.1).

Currently using next build --webpack as a workaround.

0 replies

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