Another EOC'ism.... On my one working Global Node Status by Site that is grouped by Type, Purpose (custom properties) when I click on Servers I have one that has NULL. When I click on NULL it refreshes the screen and show "No Data to Display" in the resource instead of retrieving the node information. The other types seem to retrieve data.
I know that I have one server that doesn't have anything in the Purpose field and on the Orion server it treats it as "[Unknown]".
