if obj.IsList() && len(extraLabels) > 0 {
                    pr.globalWarnings.GlobalWarningLn(context.Background(), fmt.Sprintf("werf labels won't be applied to *List resource Kinds, including %s. We advise to replace *List resources with multiple separate resources of the same Kind", obj.GetKind()))
                } else if len(extraLabels) > 0 {
                    if err := appendExtraData(metadataNode, "labels", extraLabels); err != nil {
                        pr.globalWarnings.GlobalWarningLn(context.Background(), fmt.Sprintf("werf labels won't be applied to the %s/%s: an error have occurred during labels injection: %s\n", strings.ToLower(obj.GetKind()), obj.GetName(), err))