mansion1.hps FATAL ERROR

[Victor]

I'm a noooooooooooooooobie in scripting and 'customstoryng", and this is my 5th attempt to make a key work in a door (yes, I am THAT noobie). I've watched several tutorials and followed them correctly, but I can't start my custom story. If I try to start it, the game crashes and a window with the following words pops up:

"FATAL ERROR: Could not load script file 'custom_stories/hello/maps/mansion1.hps(mansion1 is the name of the .map file too)!' main (27,2): ERR : Unexpected end of file"

In the .hps file is like this:

////////////////////////////
// Run first time starting map
void OnStart()
{
void AddUseItemCallback("", "keymansion1, "mansion1", "KeyOnDoor", true);
}

void KeyOnDoor(string &in asItem, string &in asEntity)
{
SetSwingDoorLocked("mansion1", false, true);
PlaySoundAtEntity("", "unlock_door", "mansion1", 0, false)
RemoveItem("keymansion1");
}

////////////////////////////
// Run when entering map
void OnEnter()
{

}

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

}

I just copied this from the tutorial and added the codes to make the key work (like in the youtube tutorials I've been watching).
Please, can you guys HELP ME?