Fatal error: Uncaught Error: Class 'Symfony\Component\VarDumper\Cloner\AbstractCloner' not found in /home/loneos/www-charles/vendor/symfony/var-dumper/Cloner/VarCloner.php:17 Stack trace: #0 {main} thrown in /home/loneos/www-charles/vendor/symfony/var-dumper/Cloner/VarCloner.php on line 17