It has nothing to do with the multiplayer configuration. After the previously mentioned update, the game does not allow a split screen with a different profile. Simply open a copy of the first logged-in profile.
Around here we have the same mistake. We are not able to play on the split screen. When trying, even choosing another profile, it creates another one as if it were the same.
It has nothing to do with the multiplayer configuration. After the previously mentioned update, the game does not allow a split screen with a different profile. Simply open a copy of the first logged-in profile.