Fatal error: Uncaught Error: Class 'Drupal\Core\Plugin\DefaultPluginManager' not found in /var/www/html/tmp/contrib/devel/webprofiler/src/Entity/EntityManagerWrapper.php:22 Stack trace: #0 {main} thrown in /var/www/html/tmp/contrib/devel/webprofiler/src/Entity/EntityManagerWrapper.php on line 22