Quote Originally Posted by NotEnoughRed View Post
If you're regularly getting an error code - it's almost 100% down to a NAT type problem, either the game you're trying to join is being hosted by someone with a NAT 2 or NAT 3 - or.. you have a NAT type of 2 or 3 and are trying to join a NAT 1 player.
What if you're like me and your PS4 is perpetually stuck in NAT type 2 no matter what you do with it? :/

(( Seriously. I've studied networking and I still can't get this bugger to type 1. Always type 2. Even when I put the console in DMZ! I think my router is just crap >_> ))