I payed and played for a week but cant login

hello blizzard,

i was playing on a dk this morning duelling some guys and stuff.. then i went away for 5 hours..
i got back and tried to login again but when i clicked on the tab: tournament it said:

this account is currently not flagged to participate in the tournament realms

for more information regarding the wow arena tournement please visit blablala


PLEASE help me out!..

my dk's name was: Redleh