https://advisory.kpmg.us/

I'm attempting to use the CSS Selector for the Tag field in the Conditions tab but after I specify the webpage an Error displays:

We are testing author groups in our staging environment.  When creating a page, the "Page Properties" option in SideKick is active but the popup does not display.  I've tried setting permissions under /libs/cq/ur/widgets/source/widgets/wcm/SideKick.js but no luck.  I've created several groups and us...