Add this to the game.ini and dont touch the DONOTREMOVE but change all the other ones
[/Script/DeadMatter.DMGameSession]
SuperAdmins=DONOTREMOVE
SuperAdmins=steamid64
SuperAdmins=steamid64
SuperAdmins=steamid64
SuperAdmins=steamid64
Admins=DONOTREMOVE
Admins=steamid64
Admins=steamid64
Admins=steamid64
Admins=steamid64