Exception filling window for MoreFactionInteraction.Dialog_MFIDebugActionMenu: System.NullReferenceException: Object reference not set to an instance of an object
  at RimWorld.GatheringsUtility.ShouldGuestKeepAttendingGathering (Verse.Pawn p) [0x00000] in <filename unknown>:0
  at RimWorld.PartyUtility.ShouldPawnKeepPartying (Verse.Pawn p) [0x00000] in <filename unknown>:0
  at RimWorld.PartyUtility.<FindRandomPartyOrganizer>m__0 (Verse.Pawn x) [0x00000] in <filename unknown>:0
  at RimWorld.PartyUtility+<FindRandomPartyOrganizer>c__AnonStorey0.<>m__0 (Verse.Pawn x) [0x00000] in <filename unknown>:0
  at System.Linq.Enumerable+<CreateWhereIterator>c__Iterator1D`1[Verse.Pawn].MoveNext () [0x00000] in <filename unknown>:0
  at System.Collections.Generic.List`1[Verse.Pawn].AddEnumerable (IEnumerable`1 enumerable) [0x00000] in <filename unknown>:0
  at System.Collections.Generic.List`1[Verse.Pawn]..ctor (IEnumerable`1 collection) [0x00000] in <filename unknown>:0
  at System.Linq.Enumerable.ToList[Pawn] (IEnumerable`1 source) [0x00000] in <filename unknown>:0
  at Verse.GenCollection.TryRandomElement[Pawn] (IEnumerable`1 source, Verse.Pawn& result) [0x00000] in <filename unknown>:0
  at RimWorld.PartyUtility.FindRandomPartyOrganizer (RimWorld.Faction faction, Verse.Map map) [0x00000] in <filename unknown>:0
  at RimWorld.VoluntarilyJoinableLordsStarter.TryStartParty () [0x00000] in <filename unknown>:0
  at Verse.Dialog_DebugActionsMenu.<DoListingItems_MapTools>m__84 () [0x00000] in <filename unknown>:0
  at Verse.Dialog_DebugOptionLister.DebugAction (System.String label, System.Action action) [0x00000] in <filename unknown>:0
  at Verse.Dialog_DebugActionsMenu.DoListingItems_MapTools () [0x00000] in <filename unknown>:0
  at Verse.Dialog_DebugActionsMenu.DoListingItems () [0x00000] in <filename unknown>:0
  at MoreFactionInteraction.Dialog_MFIDebugActionMenu.DoListingItems () [0x00000] in <filename unknown>:0
  at Verse.Dialog_OptionLister.DoWindowContents (Rect inRect) [0x00000] in <filename unknown>:0
  at Verse.Window+<WindowOnGUI>c__AnonStorey0.<>m__0 (Int32 x) [0x00000] in <filename unknown>:0
Verse.Log:Error(String, Boolean)
Verse.<WindowOnGUI>c__AnonStorey0:<>m__0(Int32)
UnityEngine.GUI:CallWindowDelegate(WindowFunction, Int32, Int32, GUISkin, Int32, Single, Single, GUIStyle)