slapos_accounting: debug trade condition

master/bt5/slapos_accounting/SkinTemplateItem/portal_skins/slapos_accounting/InstanceTree_requestUpdateOpenSaleOrder.py

@@ -141,7 +141,9 @@ if instance_tree.getCausalityState() == 'diverged':
         default=None,
       )
       if price is None:
-        raise NotImplementedError('Price not found on %s for %s %s' % (open_sale_order.getSpecialise(),
+        raise NotImplementedError('Price not found on %s (%s) for %s %s' % (
+                                                                      open_sale_order.getSpecialiseTitle(),
+                                                                      open_sale_order.getSpecialise(),
                                                                       service.getRelativeUrl(),
                                                                       str([x.getRelativeUrl() for x in predicate_list])))
       open_order_line.edit(