Has not functioned and has errored for months.

[JamesLear92]

For months now, photon-reddit.com has shown:

"Oh no an error occurred!
What could have happened?
The page you tried to visit was deleted or isn't publicly visible.
You entered an invalid Url.
Reddit is having problems. Check downdetector.com/status/reddit
If you are using Firefox in Private Mode, you have to disable "Enhanced Tracking Protection" for this site
(a Firefox bug).
Some internal error occurred. Check the browser console logs."

[ArthurHeitmann]

See the comment here