Fatal error: Uncaught Error: Class "Symfony\Component\Serializer\Exception\RuntimeException" not found in /home8/xmeta/xmt.xmeta.ro/kimai2/vendor/symfony/serializer/Exception/CircularReferenceException.php:19 Stack trace: #0 {main} thrown in /home8/xmeta/xmt.xmeta.ro/kimai2/vendor/symfony/serializer/Exception/CircularReferenceException.php on line 19