additional fields in Woocommerce

hallo Support Teamadditional fields under products section are not showing up.All Installations are done, no errors.Aktive Plugins (3)Easy WP SMTP von wpecommerce, alexanderfoxc – 1.4.7MyTicket Events von Kenzap – 1.2.3WooCommerce von Automattic – 6.8.2thanks in advanceFred