Fatal error: Uncaught Error: Interface "JMS\Serializer\Handler\SubscribingHandlerInterface" not found in /home8/xmeta/xmt.xmeta.ro/kimai2/src/API/Serializer/ValidationFailedExceptionErrorHandler.php:22 Stack trace: #0 {main} thrown in /home8/xmeta/xmt.xmeta.ro/kimai2/src/API/Serializer/ValidationFailedExceptionErrorHandler.php on line 22