Time to attach a debugger! 
-
Look at the screenshot, both drop-down widgets and all of the check boxes presented are grayed out, not interactable. Also, when I try to view the permissions in greater detail, apparently my access control entry is corrupt. Yet there's no info on how to fix that.pic.twitter.com/VdARtaa1dR
Rather than just spoon-feeding me information that doesn't end up working out, and forcing me to respond within a 280-character limit, hop in my open DMs. The situation is clearly not so easy or simple to resolve as a handful of flippant responses on Twitter.