Octopus Calypso Aqua Lung

Fatal error: Uncaught Error: Call to undefined function wc_get_loop_prop() in /home/medrian/webapps/artisub_web/wp-content/plugins/yith-woocommerce-wishlist/includes/functions.yith-wcwl.php:575 Stack trace: #0 /home/medrian/webapps/artisub_web/wp-content/plugins/yith-woocommerce-wishlist/includes/class.yith-wcwl-shortcode.php(537): yith_wcwl_is_single() #1 /home/medrian/webapps/artisub_web/wp-includes/shortcodes.php(319): YITH_WCWL_Shortcode::add_to_wishlist('', '', 'yith_wcwl_add_t...') #2 [internal function]: do_shortcode_tag(Array) #3 /home/medrian/webapps/artisub_web/wp-includes/shortcodes.php(197): preg_replace_callback('/\\[(\\[?)(yith_w...', 'do_shortcode_ta...', '[yith_wcwl_add_...') #4 /home/medrian/webapps/artisub_web/wp-content/plugins/yith-woocommerce-wishlist/includes/class.yith-wcwl-frontend.php(179): do_shortcode('[yith_wcwl_add_...') #5 /home/medrian/webapps/artisub_web/wp-includes/class-wp-hook.php(286): YITH_WCWL_Frontend->print_button('') #6 /home/medrian/webapps/artisub_web/wp-includes/class-wp-hook.ph in /home/medrian/webapps/artisub_web/wp-content/plugins/yith-woocommerce-wishlist/includes/functions.yith-wcwl.php on line 575