Error message

Notice: Undefined property: stdClass::$field_highwire_collection_ttype in highwire_collection_highwire_collection_articles_content_type_render() (line 29 of /opt/sites/jnl-jabfp/drupal-highwire/releases/20190403222224/modules/highwire/highwire_collection/plugins/content_types/highwire_collection_articles.inc).