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Didn't log in for a while and just out of curiosity tried the login via email as well. At the first time I tried, nothing happened. 2nd time I got the code in the email, entered it and clicked to confirm and then got back to the starting site without being logged in. 3rd time I didn't get the email. 4th try I got the email again, entered the code and nothing happened, just loading for a couple of seconds and back to the "enter your code" message. At that point unfortunately I had to give up because I didn't see merit in continuing to try. Hope this is getting fixed soon!
This happened to me a few days ago, I tried to log in here again, and at that time, even after entering the code correctly for the first time, I could not log in. The next time tried again, I could log in properly. I don't know why I had such a problem the first time, but I thought I might have had a network issue. Now I see that you are facing the same situation as I was. You should check your network, see if everything is fine with the connectivity, and try logging in again. Although I had a problem the first time, there was no problem the second time I used it.