Battlefield 4 is experiencing some error ( error: CE-34878-0) in multiplayer on PS4.Dice states to be currently working on it.Instead we have found 2 ways that could help you to surpass it.
Firslty,log out of your PSN account .Start Battlefield 4 and now log in to your account and head quickly to your multiplayer.This ensures you get some time to play the multiplayer before the error pops out again.
Altenatively, just keep hitting the X button until you enter the multiplayer so that you access it before the error is displayed.Until then lets hope Dice is working on it to fix the issue.
Battlefield 4 was released on 29th october, 2013 on ps3,xbox 360 and microsoft windows.