Fatal error: Uncaught Error: Call to undefined function add_action() in /home/ykraanet/public_html/wp-content/plugins/woocommerce-abandoned-cart/includes/wcal_class-guest.php:21
Stack trace:
#0 /home/ykraanet/public_html/wp-content/plugins/woocommerce-abandoned-cart/includes/wcal_class-guest.php(280): woocommerce_guest_ac->__construct()
#1 {main}
thrown in /home/ykraanet/public_html/wp-content/plugins/woocommerce-abandoned-cart/includes/wcal_class-guest.php on line 21