Fatal error: Uncaught Error: Interface 'Illuminate\Contracts\Queue\ShouldQueue' not found in /home2/cp805728/public_html/treasurestar.ssewebapp.net/vendor/laravel/framework/src/Illuminate/Notifications/SendQueuedNotifications.php:15 Stack trace: #0 {main} thrown in /home2/cp805728/public_html/treasurestar.ssewebapp.net/vendor/laravel/framework/src/Illuminate/Notifications/SendQueuedNotifications.php on line 15