Error missing a ";"

[Hartmann]

i get an error saying i miss a ; but i cant find it. can you?

void OnStart()
{
AddUseItemCallback("", "key_1", "mansion_1", "KeyOnDoor", true);
AddUseItemCallback("", "key_2", "mansion_2", "KeyOnDoor_2", true);
AddUseItemCallback("", "key_3", "mansion_5", "KeyOnDoor_5", true);
SetEntityPlayerInteractCallback("key_3", "ActivateMonster", true);
}

void KeyOnDoor(string &in asItem, string &in asEntity)
{
SetSwingDoorLocked("mansion_1", false, true);
PlaySoundAtEntity("", "unlock_door", "mansion_1", 0.0f, true);
RemoveItem("key_1");
}

void KeyOnDoor_2(string &in asItem, string &in asEntity)
{
SetSwingDoorLocked("mansion_2", false, true);
PlaySoundAtEntity("", "unlock_door", "mansion_2", 0.0f, true);
RemoveItem("key_2");
}

void KeyOnDoor_5(string &in asItem, string &in asEntity)
{
SetSwingDoorLocked("mansion_5", false, true);
PlaySoundAtEntity("", "unlock_door", "mansion_5", 0.0f, true);
RemoveItem("key_3");
}

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

}

void ActivateMonster(string &in item)

{
SetEntityActive("servant_grunt_1"), true);
}