I also always do that. Never had the problem.
Sometimes i get it with my DH on walls and such.
I normally just log into anohter char for 5 minutes, then yout main will be disconnected automatiically and you can log back in.
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YOu don't even need the webpage. It is just a log of an wait for autologof.
The error while annoying is not that prevalent or severe to make it a top priority. Annoying sure. Horribly gamebreaking... nah.