logging into forums forces me to make another account after im logged into my warframe account

[(PSN)woodelfboi]

  first pic is me being logged into my account

   

second pic is after i click on forums

i can log in on my phone and incognito mode just fine. 

i logged out clicked forums and then it let it work properly but why, if im already logged in, does it ask to make an account?

[(PSN)woodelfboi]

and now its working properly for some reason