stumbled over this by chance, too lazy to debug it more :)
third last Momoko replay throws errors about about a - presumably uninitialized - variable:
While running game code:
File "renpy/common/000statements.rpy", line 569, in execute_call_screen
store._return = renpy.call_screen(name, *args, **kwargs)
File "renpy/common/00action_other.rpy", line 428, in __call__
renpy.call_replay(self.label, self.scope)
File "game/places/momoko_room.rpy", line 969, in <module> NameError: name 'momoko_room_service_eat' is not defined </module>