public function check_cart_item_stock() {
		$error                    = new WP_Error();
		$product_qty_in_cart      = $this->get_cart_item_quantities();
		$current_session_order_id = isset( WC()->session->order_awaiting_payment ) ? absint( WC()->session->order_awaiting_payment ) : 0;

		foreach ( $this->get_cart() as $cart_item_key => $values ) {
			$product = $values['data'];

			// Check stock based on stock-status.
			if ( ! $product->is_in_stock() ) {
				/* translators: %s: product name */
				$error->add( 'out-of-stock', sprintf( __( 'Sorry, "%s" is not in stock. Please edit your cart and try again. We apologize for any inconvenience caused.', 'woocommerce' ), $product->get_name() ) );
				return $error;
			}

			// We only need to check products managing stock, with a limited stock qty.
			if ( ! $product->managing_stock() || $product->backorders_allowed() ) {
				continue;
			}

			// Check stock based on all items in the cart and consider any held stock within pending orders.
			$held_stock     = wc_get_held_stock_quantity( $product, $current_session_order_id );
			$required_stock = $product_qty_in_cart[ $product->get_stock_managed_by_id() ];

			if ( $product->get_stock_quantity() < ( $held_stock + $required_stock ) ) {
				/* translators: 1: product name 2: quantity in stock */
				$error->add( 'out-of-stock', sprintf( __( 'Sorry, we do not have enough "%1$s" in stock to fulfill your order (%2$s available). We apologize for any inconvenience caused.', 'woocommerce' ), $product->get_name(), wc_format_stock_quantity_for_display( $product->get_stock_quantity() - $held_stock, $product ) ) );
				return $error;
			}
		}

		return true;
	}