duolingo not saving daily progress
I'm finally having a good steak and it seems that duolingo is not saving my progress today, not even on my mobile or on the web page.
Is any one else having the same issue?
It seems like problems began when a "100xp" challenge was offered about 20:00 GMT. The app went down shortly thereafter then the website, and I too lost some progress. It seems to be back for me.
I have encountered the same problem twice today. After finishing a group of exercises the site will end up with the normal start screen but the expected 10 points for the finished exercises are not added to the daily total and the browser is showing an error message on the address line: