Yamb errrors.....plz help

[haAha]

well i did everything on d2jsp and yamb instructions.....when i create game
it says "script does not exist"

and error 491 appears....any1 know how to fix that?

my default.d2j is

/* default.d2j, modify the values below to suit your needs. [by njaguar]*/
function main() {
switch(me.name) {
case "cH-LiTeMfEr":
load("bots/YAMB.d2j");
break;
default:
load("bots/YAMB.d2j");
break;
}
}