Fatal error: Uncaught Error: Class "Illuminate\Queue\Queue" not found in /home/slsiluser/public_html/service-portal-mobile-responsive/vendor/laravel/framework/src/Illuminate/Queue/SyncQueue.php:13 Stack trace: #0 {main} thrown in /home/slsiluser/public_html/service-portal-mobile-responsive/vendor/laravel/framework/src/Illuminate/Queue/SyncQueue.php on line 13