Turbopack Error: [project]/app/globals.css [app-client] (css)

[SujalXplores]

Turbopack version: a5b73c3f
Next.js version: 15.4.3

Error message:

[project]/app/globals.css [app-client] (css)

Caused by:
- creating new process
- node process exited before we could connect to it with exit code: 1

Debug info:
- Execution of subscribe_issues_and_diags_operation failed
- Execution of <AppEndpoint as Endpoint>::server_changed failed
- Execution of *Project::server_changed failed
- Execution of *AppEndpointOutput::server_assets failed
- Execution of AppEndpoint::output failed
- Execution of AppProject::app_module_graphs failed
- Execution of *<AppEndpoint as Endpoint>::additional_entries failed
- Execution of *ModuleGraph::from_graphs failed
- Execution of SingleModuleGraph::new_with_entries_visited_intern failed
- [project]/app/globals.css [app-client] (css)
- Execution of primary_chunkable_referenced_modules failed
- Execution of <CssModuleAsset as Module>::references failed
- Execution of parse_css failed
- Execution of <PostCssTransformedAsset as Asset>::content failed
- Execution of PostCssTransformedAsset::process failed
- creating new process
- node process exited before we could connect to it with exit code: 1
  Process output:
  
  Process error output:
  node:internal/modules/cjs/loader:1372
    throw err;
    ^
  
  Error: Cannot find module 'D:\ai-financial-agent\.next\postcss.js'
      at Module._resolveFilename (node:internal/modules/cjs/loader:1369:15)
      at defaultResolveImpl (node:internal/modules/cjs/loader:1025:19)
      at resolveForCJSWithHooks (node:internal/modules/cjs/loader:1030:22)
      at Module._load (node:internal/modules/cjs/loader:1179:37)
      at TracingChannel.traceSync (node:diagnostics_channel:322:14)
      at wrapModuleLoad (node:internal/modules/cjs/loader:235:24)
      at Module.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:152:5)
      at node:internal/main/run_main_module:33:47 {
    code: 'MODULE_NOT_FOUND',
  }
  
  Node.js v24.4.1

[SametDulger]

Hi @SujalXplores,

Thanks for sharing the details. The error message Cannot find module '.next/postcss.js' usually indicates that the PostCSS config or build artifacts are missing or not properly generated.

Here are some steps to troubleshoot:

1. Ensure PostCSS config exists

Make sure you have a valid postcss.config.js (or equivalent) in your project root. Even if you don’t customize PostCSS, having an empty config file can help.

2. Clean build cache and reinstall

Sometimes corrupted cache or incomplete installs cause this. Run:

rm -rf .next node_modules package-lock.json yarn.lock
npm install
npm run build

(or yarn equivalents)

3. Check Node.js version compatibility

You’re running Node v24.4.1 which is very recent and possibly not fully supported by some Next.js/Turbopack dependencies. Try using a stable LTS version like Node 18 or 20.

4. Check for custom PostCSS plugins or loaders

If you have custom plugins or a nonstandard setup, verify they are compatible with your Next.js and Turbopack versions.

5. Try disabling Turbopack temporarily

To isolate if the problem is Turbopack-specific, you can disable it and see if the build passes using the classic Next.js compiler.

If these steps don’t resolve the issue, please share:

• Your postcss.config.js content

• Your Next.js and Turbopack versions

• The exact build command you run

Hope this helps! Let me know if you want help debugging further.

[SujalXplores]

This helps, thank you!