I am trying to use time Series Chart V2. I created mashup and attached service to it. It is worked for a while then chart stopped show up and I have the following error message

 

08:32:50 INFO - In-page logger initialized.

08:32:50 INFO - ThingWorx Mashup Runtime v7.2.3-b48

08:32:51 ERROR - TW.Runtime.Workspace.Mashups.getWidget exception loading widget { name: Error, message: timeSeriesChartV2doesn't exist }