co-op invite code error

Hello, I am on a playstation world with two other friends in our first summer season. We are trying to add a fourth person to our server so he can play with us. I created a fourth cabin and invited him as he is one of my playstation friends. Each time he clicks on my farm to join, it gives the...

I currently have a issue when trying to join my friend on his farm. whenever i press co-op and put in the correct invite code, i am unable to get past that page. what i mean by this is that i can click the 'OK' button several times and nothing will happen. it will only make the sound effect that...