When you update the Woocommerce, WordPress announces that the Mercado Pago payment has a conflict. SOLUTION Surely, you can fix that errors by hard code on plugin Mecardo Pago, file: \wp-content\plugins\woocommerce-mercadopago\includes\module\preference\WC_WooMercadoPago_PreferenceAbstract. Then, at line 184 or around, find and replace: $product = new WC_product($item[‘product_id’]);by$product = wc_get_product($item[‘product_id’]); That function has no…