Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DependencyInjection\ConfigurableExtension" not found in /home8/xmeta/xmt.xmeta.ro/kimai2/vendor/jms/serializer-bundle/DependencyInjection/JMSSerializerExtension.php:23 Stack trace: #0 {main} thrown in /home8/xmeta/xmt.xmeta.ro/kimai2/vendor/jms/serializer-bundle/DependencyInjection/JMSSerializerExtension.php on line 23