clear your browser cache and relog , may take a few trys , if that doesn't work , it can be ust a case off waiting for a few hours and it will sort itself out .
you haven't been banned , it is just a glitch normally caused by the browser cache .
for future reference , chat section is the place to post for this issue .
I TOLD YOU SO
DO in a years time
Got bored and started using the proper account again