Index: /branches/rel_apv_10_7/usr/click/webui/htdocs/new/src/apv/templates/monitoring/report/report/monitor.html
===================================================================
--- /branches/rel_apv_10_7/usr/click/webui/htdocs/new/src/apv/templates/monitoring/report/report/monitor.html	(revision 38501)
+++ /branches/rel_apv_10_7/usr/click/webui/htdocs/new/src/apv/templates/monitoring/report/report/monitor.html	(working copy)
@@ -152,7 +152,7 @@
                             }else{
                                 let parent_level = that.global_level['level_'+(level-1)];
                                 let parent_node = parent_level.find(item => item.value == node.value)
-                                if (typeof(parent_node['children']) != "undefined") {
+                                if (typeof(parent_node) != "undefined" && typeof(parent_node['children']) != "undefined") {
                                     that.global_level['level_'+level] = parent_node['children'];
                                 } else {
                                     that.global_level['level_'+level] = [];