Fatal error: Uncaught Error: Interface "Illuminate\Queue\Connectors\ConnectorInterface" not found in /opt/lampp/htdocs/appproject/vendor/laravel/framework/src/Illuminate/Foundation/Cloud/QueueConnector.php:18 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/appproject/vendor/laravel/framework/src/Illuminate/Foundation/Cloud/QueueConnector.php on line 18