game crash

[Dyloo]

void OnStart()

{
AddUseItemCallback("", "floortwokey", "mansion_9", "UsedKeyOnDoor", true);
}

void UsedKeyOnDoor(string &in asItem, string &in asEntity)
{
SetSwingDoorLocked("mansion_9", false, true);
PlaySoundAtEntity("", "unlock_door", "mansion_9", 0, false);
RemoveItem("floortwokey");
}

void OnEnter()
{

}

void OnLeave()
{

}

Here you are! Always check the ending of each line ( Corrected part is red )