Fatal error: Uncaught Error: Call to undefined function WC() in /home/konradg/public_html/silownia/wp-content/plugins/iw_composer_addons/shortcodes/product_list.php:136 Stack trace: #0 /home/konradg/public_html/silownia/wp-includes/shortcodes.php(364): Inwave_Product_List->inwave_product_list_shortcode(Array, '', 'inwave_product_...') #1 [internal function]: do_shortcode_tag(Array) #2 /home/konradg/public_html/silownia/wp-includes/shortcodes.php(261): preg_replace_callback('/\\[(\\[?)(inwave...', 'do_shortcode_ta...', '[inwave_product...') #3 /home/konradg/public_html/silownia/wp-content/plugins/js_composer/include/helpers/helpers.php(259): do_shortcode('[inwave_product...') #4 /home/konradg/public_html/silownia/wp-content/plugins/js_composer/include/templates/shortcodes/vc_column.php(22): wpb_js_remove_wpautop('[inwave_product...') #5 /home/konradg/public_html/silownia/wp-content/plugins/js_composer/include/classes/shortcodes/shortcodes.php(450): include('/home/konradg/p...') #6 /home/konradg/public_html/silownia/wp-cont in /home/konradg/public_html/silownia/wp-content/plugins/iw_composer_addons/shortcodes/product_list.php on line 136