[SCRIPT] Fatal Error on this script

[Ongka]

////////////////////////////
// Run when entering map
void OnStart()
{
AddUseItemCallback("", "BasementKey_1", "mansion_1", "UsedKeyOnDoor", true);
AddUseItemCallback("", "startkey", "cabinet_1", "UsedKeyOnCabinet", true);
}

void UsedKeyOnDoor(string &in asItem, string &in asEntity)
{
SetSwingDoorLocked("mansion_1", false, true);
PlaySoundAtEntity("", "unlock_door", "mansion_1", 0, false);
RemoveItem("BasementKey_1");
}

void UsedKeyOnCabinet(string &in asItem, string &in asEntity)
{
SetSwingDoorLocked("cabinet_1", false, true);
PlaySoundAtEntity("", "unlock_door", "cabinet_1", 0, false);
RemoveItem("startkey");
}

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

Changed the function name, this should work.