Cannot find module '@angular-devkit/build-angular/package.json'

Hey,

I have ionic project cloned from the internet, I have installed all the requirements.
when I run `ionic serve` inside the project folder I got this error.

`> ng.cmd run app:serve --host=localhost --port=8100
[ng] An unhandled exception occurred: Cannot find module '@angular-devkit/build-angular/package.json'
[ng] Require stack:
[ng] - C:\Users\sadeq\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\@angular-devkit\architect\node\node-modules-architect-host.js
[ng] - C:\Users\sadeq\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\@angular-devkit\architect\node\index.js
[ng] - C:\Users\sadeq\AppData\Roaming\npm\node_modules\@angular\cli\models\architect-command.js
[ng] - C:\Users\sadeq\AppData\Roaming\npm\node_modules\@angular\cli\commands\run-impl.js
[ng] - C:\Users\sadeq\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\@angular-devkit\schematics\tools\export-ref.js
[ng] - C:\Users\sadeq\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\@angular-devkit\schematics\tools\index.js
[ng] - C:\Users\sadeq\AppData\Roaming\npm\node_modules\@angular\cli\utilities\json-schema.js
[ng] - C:\Users\sadeq\AppData\Roaming\npm\node_modules\@angular\cli\models\command-runner.js
[ng] - C:\Users\sadeq\AppData\Roaming\npm\node_modules\@angular\cli\lib\cli\index.js
[ng] - C:\Users\sadeq\AppData\Roaming\npm\node_modules\@angular\cli\lib\init.js
[ng] - C:\Users\sadeq\AppData\Roaming\npm\node_modules\@angular\cli\bin\ng
[ng] See "C:\Users\sadeq\AppData\Local\Temp\ng-NXptbM\angular-errors.log" for further details.

[ERROR] ng has unexpectedly closed (exit code 127).

The Ionic CLI will exit. Please check any output above for error details.`

any help?

回報的進入點是 `ionic serve`，它會呼叫 `ng.cmd run app:serve`；請先在複製的專案中重現該命令，並檢查與缺少的 `@angular-devkit/build-angular/package.json` 相關的已安裝 Angular CLI 相依性。專案能夠在沒有缺少模組錯誤的情況下成功提供服務，即表示完成。

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