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