PHP NOtice

[30-Nov-2022 22:18:01 UTC] id was called incorrectly. Product properties should not be accessed directly. Backtrace: do_action(‘wp_ajax_print_order’), WP_Hook->do_action, WP_Hook->apply_filters, WCDN_Print->template_redirect_admin, WCDN_Print->generate_template, wc_get_template, include(‘/plugins/woocommerce-delivery-notes/templates/print-order/print-order.php’), do_action(‘wcdn_loop_content’), WP_Hook->do_action, WP_Hook->apply_filters, wcdn_content, wcdn_get_template_content, wc_get_template, include(‘/plugins/woocommerce-delivery-notes/templates/print-order/print-content.php’), do_action(‘wcdn_order_item_before’), WP_Hook->do_action, WP_Hook->apply_filters, example_product_image, WC_Abstract_Legacy_Product->__get, wc_doing_it_wrong. This message was added in version 3.0.