Control Center opens to a blank screen (unable to open any modules)
Summary
gnome-control-center opens to a blank screen; no panes are shown or visible
Background
I first noticed this issue around Fedora 26 or 27, but it took a while for me to file an issue.
The screen looks like this:
I am using GNOME Shell 3.26.2, but GNOME is not my desktop environment (I use i3wm, a window manager). I am currently using Fedora 27.
Details
I had a hard time figuring out how to debug. Whenever I click the "back" arrow next to Devices (see above), it triggers a debug message about the number of previous panels. Each time I click, the same string is generated.
$ gnome-control-center -vo
** (gnome-control-center:6109): DEBUG: Enabling debugging
** (gnome-control-center:6109): DEBUG: Num previous panels? 0
Expected outcome
The Control Center should open to the expected number of panels and options