This article will show you how to set-up yourself as a superadmin.
Here are the steps:
1) Log-in to your Game Panel and stop your server.
2) Click and open File Manager.
3) Open the Security folder.
4) Remove the .example extension from all the applicable files.
5) In the same folder, edit the superadmin.cfg and add your name ending with a semicolon like this:
users = my_friend; good_admin; somedude;