Error log soporte  

Buenas tardes me gustaría que me aclararan si todos estos errores provienen del mismo plugin (Raneri Free Shipping):
[31-May-2018 04:43:47 UTC] price was called incorrectly. No se debería acceder a las propiedades del producto directamente. Backtrace: require('wp-blog-header.php'), require_once('wp-includes/template-loader.php'), do_action('template_redirect'), WP_Hook->do_action, WP_Hook->apply_filters, WC_AJAX::do_wc_ajax, do_action('wc_ajax_add_to_cart'), WP_Hook->do_action, WP_Hook->apply_filters, WC_AJAX::add_to_cart, WC_Cart->add_to_cart, do_action('woocommerce_add_to_cart'), WP_Hook->do_action, WP_Hook->apply_filters, WC_Cart->calculate_totals, WC_Cart_Totals->__construct, WC_Cart_Totals->calculate, WC_Cart_Totals->calculate_shipping_totals, WC_Cart_Totals->get_shipping_from_cart, WC_Cart->calculate_shipping, WC_Shipping->calculate_shipping, WC_Shipping->calculate_shipping_for_package, WC_Shipping_Method->get_rates_for_package, Raneri_Free_Shipping->calculate_shipping, Raneri_Free_Shipping->get_cart_contents_values, WC_Abstract_Legacy_Product->__get, wc_doing_it_wrong. This message was added in version 3.0.

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