I'm still able to use my controllers, but I am currently unable to configure any buttons or settings on them.

View layout:
https://i.imgur.com/tM5YwM9.png
Edit layout:
https://i.imgur.com/Lq1KPWW.png
On a different game, with a nintendo switch controller:
https://i.imgur.com/6G5M6xA.png

Again, the controllers are perfectly functional, just locked to default settings.
Attempting to load a template or community layout is similarly unhelpful.