Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Bus\QueueingDispatcher" not found in /home/helpdatafirst/public_html/helpapp/vendor/laravel/framework/src/Illuminate/Bus/Dispatcher.php:17 Stack trace: #0 {main} thrown in /home/helpdatafirst/public_html/helpapp/vendor/laravel/framework/src/Illuminate/Bus/Dispatcher.php on line 17