Fatal error: Uncaught Error: Class "Symfony\Component\VarExporter\Internal\Hydrator" not found in /var/www/html/dev.hallescherfc.de/var/cache/code/content_blocks_object/TableDefinitionCollection.php:2 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/var/cache/code/content_blocks_object/TableDefinitionCollection.php on line 2