Fatal error: Uncaught Error: Interface "Symfony\Component\VarDumper\Command\Descriptor\DumpDescriptorInterface" not found in C:\WebServer\htdocs\bookshelf\vendor\symfony\var-dumper\Command\Descriptor\HtmlDescriptor.php:25 Stack trace: #0 {main} thrown in C:\WebServer\htdocs\bookshelf\vendor\symfony\var-dumper\Command\Descriptor\HtmlDescriptor.php on line 25