Fatal error: Uncaught Error: Class "Symfony\Component\VarDumper\Dumper\HtmlDumper" not found in D:\Application\www\Training\vendor\laravel\framework\src\Illuminate\Support\Debug\HtmlDumper.php:7 Stack trace: #0 {main} thrown in D:\Application\www\Training\vendor\laravel\framework\src\Illuminate\Support\Debug\HtmlDumper.php on line 7