Unable to log in support.riotgames.com

Hello i think i am having technical issue. I am trying to log in support.riotgames.com but even though i write my id and password right i face with a page saying "We were unable to connect to the support site. Wait a minute or so before trying again." Page URL --> https://login.playersupport.riotgames.com/error?error_code=CLIENT_ERROR Anyone knows how to fix that error? #community-help