Fatal error: Uncaught Error: Class "JMS\SerializerBundle\DependencyInjection\Compiler\PerInstancePass" not found in /home/palabrebel/www/kimai/vendor/jms/serializer-bundle/DependencyInjection/Compiler/CustomHandlersPass.php:15 Stack trace: #0 {main} thrown in /home/palabrebel/www/kimai/vendor/jms/serializer-bundle/DependencyInjection/Compiler/CustomHandlersPass.php on line 15