Fatal error: Uncaught Error: Class 'Drupal\Core\Controller\ControllerBase' not found in /var/www/html/tmp/contrib/devel/webprofiler/src/Controller/DatabaseController.php:16 Stack trace: #0 {main} thrown in /var/www/html/tmp/contrib/devel/webprofiler/src/Controller/DatabaseController.php on line 16