مشكلة مع البكج laravel ui

بعد تنفيذ الامر 

composer require laravel/ui:^1.0 --dev

نجح الامر  وظهر التالي

./composer.json has been updated
Running composer update laravel/ui
Loading composer repositories with package information
Updating dependencies
Nothing to modify in lock file
Writing lock file
Installing dependencies from lock file (including require-dev)
Nothing to install, update or remove
Package swiftmailer/swiftmailer is abandoned, you should avoid using it. Use symfony/mailer instead.
Package phpunit/php-token-stream is abandoned, you should avoid using it. No replacement was suggested.
Generating optimized autoload files
Class Razorpay\Tests\fundTest located in ./vendor/razorpay/razorpay/tests/FundTest.php does not comply with psr-4 autoloading standard. Skipping.
Class Razorpay\Tests\registerNachTest located in ./vendor/razorpay/razorpay/tests/registerNachtest.php does not comply with psr-4 autoloading standard. Skipping.
> Illuminate\Foundation\ComposerScripts::postAutoloadDump
> @php artisan package:discover --ansi
Discovered Package: barryvdh/laravel-debugbar
Discovered Package: barryvdh/laravel-ide-helper
Discovered Package: facade/ignition
Discovered Package: fideloper/proxy
Discovered Package: intervention/image
Discovered Package: laravel/dusk
Discovered Package: laravel/tinker
Discovered Package: laravel/ui
Discovered Package: maatwebsite/excel
Discovered Package: nesbot/carbon
Discovered Package: nunomaduro/collision
Discovered Package: simplesoftwareio/simple-qrcode
Package manifest generated successfully.
85 packages you are using are looking for funding.
Use the `composer fund` command to find out more!

ولكن عند محاولة تنفيذ الامر 

php artisan ui vue

لتثبيت اطار vue

اواجه الخلل التالي

 ErrorException  : copy(/var/www/html/POS_Ibra/resources/sass/_variables.scss): failed to open stream: No such file or directory

  at /var/www/html/POS_Ibra/vendor/laravel/ui/src/Presets/Bootstrap.php:42
    38|      * @return void
    39|      */
    40|     protected static function updateSass()
    41|     {
  > 42|         copy(__DIR__.'/bootstrap-stubs/_variables.scss', resource_path('sass/_variables.scss'));
    43|         copy(__DIR__.'/bootstrap-stubs/app.scss', resource_path('sass/app.scss'));
    44|     }
    45| 
    46|     /**

  Exception trace:

  1   copy()
      /var/www/html/POS_Ibra/vendor/laravel/ui/src/Presets/Bootstrap.php:42

  2   Laravel\Ui\Presets\Bootstrap::updateSass()
      /var/www/html/POS_Ibra/vendor/laravel/ui/src/Presets/Bootstrap.php:15

  Please use the argument -v to see more details.

قمت بانشاء الملف sass بشكل يدوي واضفت الملفات المطلوبة ولكن لا زلت اواجه نفس الخلل