I've never had trouble with OQ and my battle tag before, but I let my subscription laps recently and was playing on a F2P account, obviously OQ isn't going to work on that account so I disabled the addon for that account. Since then I have renewed my subscription but OQ isn't working properly and keeps sending the "Battle tag missing or Invalid"
I searched the forums, I tried deleting, reinstalling, also: try typing:/oq harddrop /reload
Nothing has worked yet, any help would be greatly appreciated, I LOVE OQ!!!