I purchased psn plus on my main account and is setup as my primary ps4 so other accounts signed into my ps4 can play multiplayer.
This is completely bugged!
I have to load the game up twice for it to work. Also after playing multiplayer, going back to main menu then trying to go back to multiplayer I get the error message again saying You must be signed into PSN using your Sony network account.
I am signed in, even my main is signed in even though Sony say the main account doesn’t need to be for multiplayer.
Sometimes it works sometimes it take 2 or 3 times of reloading the game to allow me to access multiplayer!