Engine Error- Preventing Rabbit Campaign?

I have been waiting to progress in the rabbit campaign for a very long time now, I just sheltered the rabbit, there was a chase and I defeated some enemies. After that, nothing. However this error has shown up twice now:

release-870 (x64)[M]
stonehearth/lib/game_master/game_master_lib.lua:115: root node validate_hungry_rabbit not found
stack traceback:
[C]: in function ‘report_error’
radiant/modules/commons.lua:57: in function <radiant/modules/commons.lua:51>
[C]: in function ‘error’
stonehearth/lib/game_master/game_master_lib.lua:115: in function ‘destroy_tree’
…arth/services/server/game_master/controllers/arc.lua:231: in function ‘_convert_out_edge_to_edgelist’
…arth/services/server/game_master/controllers/arc.lua:297: in function ‘_trigger_out_edge’
…arth/services/server/game_master/controllers/arc.lua:289: in function ‘trigger_next_encounter’
…ame_master/controllers/encounters/wait_encounter.lua:66: in function ‘?’
radiant/modules/commons.lua:193: in function ‘invoke’
radiant/controllers/timer_controller.lua:77: in function ‘fire’
radiant/controllers/time_tracker_controller.lua:91: in function <radiant/controllers/time_tracker_controller.lua:91>
[C]: in function ‘xpcall’
radiant/modules/commons.lua:66: in function ‘xpcall’
radiant/controllers/time_tracker_controller.lua:91: in function ‘set_now’
…hearth/services/server/calendar/calendar_service.lua:478: in function ‘_on_event_loop’
…hearth/services/server/calendar/calendar_service.lua:49: in function <…hearth/services/server/calendar/calendar_service.lua:48>
[C]: ?
[C]: in function ‘trigger’
radiant/modules/events.lua:63: in function ‘_update’
radiant/server.lua:66: in function <radiant/server.lua:63>