Fatal error: Uncaught Error: Class 'Drupal\group\Plugin\GroupContentEnablerBase' not found in /var/www/html/tmp/contrib/group/src/Plugin/GroupContentEnabler/GroupMembership.php:37 Stack trace: #0 {main} thrown in /var/www/html/tmp/contrib/group/src/Plugin/GroupContentEnabler/GroupMembership.php on line 37