Fatal error: Uncaught Error: Interface 'Symfony\Component\VarDumper\Command\Descriptor\DumpDescriptorInterface' not found in /home/devmecseminars/public_html/mec/vendor/symfony/var-dumper/Command/Descriptor/HtmlDescriptor.php:25 Stack trace: #0 {main} thrown in /home/devmecseminars/public_html/mec/vendor/symfony/var-dumper/Command/Descriptor/HtmlDescriptor.php on line 25