Fatal error: Uncaught Error: Class "Drupal\Component\Plugin\Factory\DefaultFactory" not found in /home/qcsvlel/www/core/lib/Drupal/Core/Plugin/Factory/ContainerFactory.php:10 Stack trace: #0 {main} thrown in /home/qcsvlel/www/core/lib/Drupal/Core/Plugin/Factory/ContainerFactory.php on line 10