The issues related to Epic players logging in to the North American and European PC/Mac megaservers have been resolved at this time. If you continue to experience difficulties at login, please restart your client. Thank you for your patience!
Issues with the BG queue system.
Specially during peak times this problem has been going on for weeks since I started playing ESO again.
I sign up for BG, accept and get "someone declined..." this goes on for many hours.
http://prntscr.com/mh47dr