Fatal error: Uncaught Error: Interface "JMS\Serializer\VisitorInterface" not found in /home/palabrebel/www/kimai/vendor/jms/serializer/src/Visitor/DeserializationVisitorInterface.php:18 Stack trace: #0 {main} thrown in /home/palabrebel/www/kimai/vendor/jms/serializer/src/Visitor/DeserializationVisitorInterface.php on line 18