I always get this error saving products in WooCommerce:

bility_term_ids foi chamada incorretamente. wc_get_product_visibility_term_ids should not be called before taxonomies are registered (woocommerce_after_register_post_type action). Backtrace: require_once('wp-admin/admin.php'), require_once('wp-load.php'), require_once('wp-config.php'), require_once('wp-settings.php'), do_action('init'), WP_Hook->do_action, WP_Hook->apply_filters, snshadona_requireVcExtend, include_once('/themes/snshadona/vc_extend/extend-vc.php'), sns_woo_get_product_list, wc_get_product_ids_on_sale, WC_Data_Store->__call, WC_Product_Data_Store_CPT->get_on_sale_products, wc_get_product_visibility_term_ids, wc_doing_it_wrong Leia como Depurar o WordPress para mais informações. (Esta mensagem foi adicionada na versão 3.1.) in /home4/cafeno45/public_html/wp-includes/functions.php on line 4773

Warning: Cannot modify header information - headers already sent by (output started at /home4/cafeno45/public_html/wp-includes/functions.php:4773) in /home4/cafeno45/public_html/wp-admin/includes/misc.php on line 1196

What can I do?
Sending screenshot!