I get error 404 all-the-time.
When you click on a discussion and you get that, it means the discussion was deleted.
Thank you! ;-)
Error 404 means the page doesn't exist.
If I type in https://www.duolingo.com/translatiodwfswef in my address bar it will lead to an error 404.
Error number 404 means the site/internet needs to be checked or the computer (tablet phone, e.t.c.) is spacing out