[LEAK] NeutronAdmin - A GMod administration panel

I did exactly as I said in README.txt, and gave a script error, do you know how to help?

Notice: Undefined offset: 1 in C:\xampp\htdocs\inc\classes\steamLogin.class.php on line 115

Warning: count(): Parameter must be an array or an object that implements Countable in C:\xampp\htdocs\inc\classes\db.class.php on line 75