Fatal error: Uncaught Error: Class 'Drupal\Core\Controller\ControllerBase' not found in /var/www/html/tmp/contrib/field_permissions/src/Controller/FieldPermissionsController.php:22 Stack trace: #0 {main} thrown in /var/www/html/tmp/contrib/field_permissions/src/Controller/FieldPermissionsController.php on line 22