Fatal error: Uncaught Error: Class "Symfony\Component\VarDumper\Dumper\AbstractDumper" not found in /home/www/swittelecom.com/test/laravel/vendor/symfony/var-dumper/Dumper/CliDumper.php:21 Stack trace: #0 {main} thrown in /home/www/swittelecom.com/test/laravel/vendor/symfony/var-dumper/Dumper/CliDumper.php on line 21