Fatal error: Uncaught Error: Class "Symfony\Component\VarDumper\Dumper\HtmlDumper" not found in /home/wwwarms/ws.arms-tools.com/websocket-server/vendor/laravel/framework/src/Illuminate/Foundation/Http/HtmlDumper.php:12 Stack trace: #0 {main} thrown in /home/wwwarms/ws.arms-tools.com/websocket-server/vendor/laravel/framework/src/Illuminate/Foundation/Http/HtmlDumper.php on line 12