amnesia custom story error?

[nixxx60]

nixxx60 again my amnesia custom story not in the custom storys in amnesia is fixed but when i load it it says

FATAL ERROR Could not load script file 'custom_stories/The Cursed/Custom_stories/The Cursed/maps/tutorial.hps!
Main (12,14 : ERR :'studydoorkey_1' is not declared

then my amnesia closes??

also this is wat my hps file says inside

////////////////////////////
// Run when entering map
void OnEnter()
{
AddUseItemCallback("", "studydoorkey_1", "studydoor", "UsedKeyOnDoor", true);
}

void UsedKeyOnDoor(string &in asItemA, string &in asItemB)
{
SetSwingDoorLocked("studydoor", false, true);
PlaySoundAtEntity("", "unlock_door", "studydoor", 0, false);
RemoveItem(studydoorkey_1);
}




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

}