If clearing the cache doesn't work, sometimes toggling your mobile data on and off resets your IP just enough to bypass regional server glitches. Support usually fixes these backend bugs within a few hours anyway.
That happened to me a few weeks ago after they pushed a site update. The quickest fix is switching to a different browser entirely, or you can try using one of the alternative entry mirrors listed at login nine win uk if the main domain is acting up. I ended up just clearing my cache on Firefox and it let me straight in.
Has anyone else been getting a "session expired" error immediately after trying to sign in this morning? I’ve tried restarting my router, but the login page just kicks me back to the main lobby every time.