Clicking a 100% Stackable Bar Chart

Clicking a 100% Stackable Bar Chart

  

When I click on a bar in a 100% Stackable vertical bar chart, I get an error 'Index xx out of range'.  What causes this and how can I make the click work?

Hi James,

Where do you get the error? Service Center? Console? Did this error occur out of the box or did you apply some extra options to the chart via JSON?