Script File crashing

[willochill]

void OnStart()
{
PlayMusic("amb_guardian.ogg", true, 1.0f, 0, 0, true);
AddUseItemCallback("", "bone_saw_2", "wooden_boards_block_1", "SawGruntAlert", true);
}
void SawGruntAlert(string &in asItem, string &in asEntity)
{
SetEntityActive("wooden_boards_block_1", false);
SetEntityActive("wooden_boards_block_broken_1", true);
PlaySoundAtEntity("", "23_saw2.snt", "Player", 0, false);
AddTimer("", 1.0f, "TimerFunc");
AddTimer("", 1.0f, "TimerFunc2");
}
void TimerFunc(string &in asTimer)
{
SetEntityActive("servant_grunt_1", true);
}
void TimerFunc2(string &in asTimer)
{
StopSound("23_saw2.snt", 0f);
}