quick question. script fatal error small script

[Hartmann]

I get a Fatal error when i load this script. anyone see the mistak


void OnStart()

{
AddEntityCollideCallback("Player", "PlayerCollide", "MonsterFunction", true, 1);
}

void MonsterFunction(string &in asParent, string &in asChild, int alState)

{
SetEntityActive("servant_grunt_1", true);
}

////////////////////////////
// Run when leaving map
void OnLeave()