Fatal error: Uncaught Error: Interface 'Illuminate\Contracts\Queue\ShouldQueue' not found in C:\xampp\htdocs\com.arbokcorp.app\vendor\laravel\framework\src\Illuminate\Notifications\SendQueuedNotifications.php:9 Stack trace: #0 {main} thrown in C:\xampp\htdocs\com.arbokcorp.app\vendor\laravel\framework\src\Illuminate\Notifications\SendQueuedNotifications.php on line 9