Just started happening to me ! Started yesterday and it is getting anyoing.
Tried to /petition but the window comes up and in subcategory box it says NO VALUE !
so it wont let me petition AND I AM A PAYING CUSTOMER !
gonna have to call them on the phone or cancel my account because i am not going to pay to stare at my desktop.
The Battlegrounds queue stopped working properly last weekend when they did the double xp.