Fatal error: Interface 'Illuminate\Queue\Connectors\ConnectorInterface' not found in /var/www/html/dev/spa/vendor/laravel/framework/src/Illuminate/Queue/Connectors/IronConnector.php on line 8

Call Stack:
    0.0003     237344   1. {main}() /var/www/html/dev/spa/vendor/laravel/framework/src/Illuminate/Queue/Connectors/IronConnector.php:0