[NOTED] Quest "trip around the world" bugged

I've tried to accept the quest for "Trip around the world" but when I try to talk to the key master and accept it. it keeps prompting the same message about how I'm too young to get involved and that I should come back in a couple of days. And I've seen that it is an old bug, but can't really seem to find a solution to it. Would appreciate your help! 

Thanks in advance!