1. go to Insight perspective, "Camel Events" tab
2. select an empty interval in the graph area by mouse dragging
Following error occurs:
Chrome: [Window] Uncaught TypeError: Cannot read property 'grid' of null ( http://localhost:8181/hawtio/insight/dashboard?kbnId=app%2Finsight%2Fdashboards%2Fcamel&p=insight&tab=insight-camel:11:69 )
Firefox: [Window] TypeError: t is null ( http://localhost:8181/hawtio/app/app.js?8217e045e22c5171 line 1 > eval:11:16200)
This can be seen on attached video.