+<%# Copyright (C) The Arvados Authors. All rights reserved.
+
+SPDX-License-Identifier: AGPL-3.0 %>
+
<% if attrvalue.is_a? Array and attrvalue.collect(&:class).uniq.compact == [String] %>
<% attrvalue.each do |message| %>
<%= message %><br />
<% end %>
<% else %>
- <% if obj.attribute_editable?(attr) and (!defined?(editable) || editable) %>
+ <% if attr and obj.attribute_editable?(attr) and (!defined?(editable) || editable) %>
<% if resource_class_for_uuid(attrvalue, {referring_object: obj, referring_attr: attr}) %>
<%= link_to_if_arvados_object attrvalue, {referring_attr: attr, referring_object: obj, with_class_name: true, friendly_name: true} %>
<br>