Page gadgets for EAC cannot be added to jdog.atlassian.com

Log into https://jdog.atlassian.com

Create a dashboard
Add a gadget
In the gadget dialog, search for Confluence Page Gadget
add the Confluence Page Gadget

It will turn pink and will not be added to the page.

Firebug shows an error with the following call:
https://jdog.atlassian.com/rest/dashboards/1.0/10483.json

The error is:
addItNowError = undefined

Screenshot is attached.