Fatal error: Uncaught Error: Call to undefined function add_action() in /home/pubconcom/public_html/wp-content/plugins/wc-frontend-manager-ultimate/views/settings/wcfmu-view-settings.php:17 Stack trace: #0 {main} thrown in /home/pubconcom/public_html/wp-content/plugins/wc-frontend-manager-ultimate/views/settings/wcfmu-view-settings.php on line 17