Matrix user forums

Hi
Could one of the admins please check for me why I can log on here (forums) but can't logon to the main Matrix site using the same user name

If I try to register it says my user name is already taken

Thanks
Steve

Hello all First post after many hours looking and reading. Im trying to undertake a small project to evaluate an Arduino Uno and Flowcode, mainly to see if I will be able to use and learn both (hobbyist) but it might take longer than I anticipated due to work blah blah blah - So might it be possible...