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Martin FabiánMartin Fabián 

Hi I have searched similar issue but I can´t ask in salesforce formu due to this error so I am asking here.

 After going to log into salesforce forum I see this error message.
Problem Logging In
We can’t log you in because of the following error.
REGISTRATION_HANDLER_ERROR: ACCESS_DENIE​D_playful-goat-477032-dev-ed.my.salesforce.com
I have seleted single sign on rule but this still happens. Anybody know how to deal with? I have also some issue with trailhead than I can´t finish so I hope I can post it here. No other choice.
Martin FabiánMartin Fabián
Sorry for my spelling in this sentence - I have seleted single sign on rule but this still happens. I mean I have deleted.
John WelberJohn Welber
Same here bro, I too faced the same problem with my previous account. Just created a new account. Thanks and Regards, 
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