$id = find_submit('Edit');
$has_marked = false;
- foreach ($order->line_items as $line_no=>$stock_item)
+
+ foreach ($order->get_items() as $line_no=>$stock_item)
{
$line_total = round($stock_item->qty_dispatched * $stock_item->price * (1 - $stock_item->discount_percent),