File "game/houselocations.rpy", line 15, in script
if quest.is_state("mom2", "unlocked"):
File "game/houselocations.rpy", line 15, in <module>
if quest.is_state("mom2", "unlocked"):
File "game/questmanager/engine/classes.rpy", line 89, in is_state
if self._search(id, category).state == state:
AttributeError: 'NoneType' object has no attribute 'state'