ok so ill talk u over what i just did

i have 2 controlers 2 live account

so i set the gpad_buttonsConfig "Use_default_buttons_to_config"
its the only thing i change on the other modded zombie gpd file o and change clan tag to ZOMB

ok so i loged out of both account left controlers on started game up went to zombies split screen so it looks as player 1 player 2 then i loged in player1 with the account what had moddded gpd file for zombiez with that butten layout then i backed out of split screen with out starting game went strate to private match started game and it work

so if yas still having trubble i can upload the file i am using now or some1 els do if u have these file change it to that butten layout do what i say and it works