This is so odd... I do log in normally to the site and when I get redirected to the main page again, it says "Login" in the upper right corner again. I have the same problem on my laptop, my phone, my computer. I deleted all the cache and cookies to try and fix it. No success. So I guess there is something wrong on your end? Is someone else experiencing it as well with Firefox?
It only says login on the main page. When I then go to the login screen and log in again, I get redirected to the control panel which works just fine. I am logged in on all sites here except for the main page...
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