Fatal error: Uncaught Error: Class 'Ladybug\Renderer\AbstractSerializingRenderer' not found in /home/lafaamicps/www/symfony/vendor/raulfraile/ladybug/src/Ladybug/Renderer/XmlRenderer.php:21 Stack trace: #0 {main} thrown in /home/lafaamicps/www/symfony/vendor/raulfraile/ladybug/src/Ladybug/Renderer/XmlRenderer.php on line 21