Seeing an error in the Admin Console log UI

I do not know how to reproduce but .. here is the environment

Login to
http://10.17.1.34:8091/

When I click on Log menu I see this. I do not know how to reproduce this

Client-side error-report for user undefined on node 'ns_1@127.0.0.1': User-Agent:Mozilla/5.0
(Macintosh; Intel Mac OS X 10_11_3) AppleWebKit/601.4.4 (KHTML, like Gecko) Version/9.0.3 Safari/601.4.4 Got unhandled javascript error: name: TypeError; message: undefined is not an object (evaluating 'prevValue.stats'); stack: maybeApplyDelta@http://10.17.1.34:8091/ui/app.min.js:1153:32
prepareAnaliticsState@http://10.17.1.34:8091/ui/app.min.js:1228:32 http://10.17.1.34:8091/ui/app.min.js:1185:39 processQueue@http://10.17.1.34:8091/ui/libs/angular.js:14792:30 http://10.17.1.34:8091/ui/libs/angular.js:14808:39 $eval@http://10.17.1.34:8091/ui/libs/angular.js:16052:28
$digest@http://10.17.1.34:8091/ui/libs/angular.js:15870:36 $apply@http://10.17.1.34:8091/ui/libs/angular.js:16160:31 done@http://10.17.1.34:8091/ui/libs/angular.js:10589:53 completeRequest@http://10.17.1.34:8091/ui/libs/angular.js:10787:15 requestLoaded@http://10.17.1.34:8091/ui/libs/angular.js:10728:24;