[SCRIPT] script help

[zombiehacker595]

AddEntityCollideCallback("player", "Monster_Deactivate_1", "DeactivateGrunt", true, 1);
}

void DeactivateGrunt(string &in asParent, string &in asChild, int alState)
{
SetEntityActive("servant_grunt_2", false);
}

is there anything wrong in that i get no error but the script doesnt work by the names you should know what i am trying to do so is anything wrong in it?