Root level exception in Update(): System.NullReferenceException: Object reference not set to an instance of an object
  at RimWorld.StoreUtility.GetSlotGroup (Verse.IntVec3 c, Verse.Map map) [0x00000] in <1ea541f48818430abd724fc665f76dc4>:0
  at VarietyMattersStockpile.Patch_StoreUtility.DupLimitReached (RimWorld.SlotGroup slotGroup, Verse.IntVec3 c, Verse.Map map, Verse.Thing t, System.Int32 dupLimit, System.Int32 sizeLimit) [0x00177] in <c0356632248845999020764060a9b01b>:0
  at VarietyMattersStockpile.Patch_StoreUtility.Postfix (System.Boolean __result, Verse.IntVec3 c, Verse.Map map, Verse.Thing thing) [0x000a2] in <c0356632248845999020764060a9b01b>:0
  at (wrapper dynamic-method) RimWorld.StoreUtility.RimWorld.StoreUtility.NoStorageBlockersIn_Patch1(Verse.IntVec3,Verse.Map,Verse.Thing)
  at (wrapper dynamic-method) RimWorld.StoreUtility.RimWorld.StoreUtility.IsGoodStoreCell_Patch1(Verse.IntVec3,Verse.Map,Verse.Thing,Verse.Pawn,RimWorld.Faction)
  at (wrapper dynamic-method) RimWorld.StoreUtility.RimWorld.StoreUtility.TryFindBestBetterStoreCellForWorker_Patch1(Verse.Thing,Verse.Pawn,Verse.Map,RimWorld.Faction,RimWorld.SlotGroup,bool,Verse.IntVec3&,single&,RimWorld.StoragePriority&)
  at (wrapper dynamic-method) RimWorld.StoreUtility.RimWorld.StoreUtility.TryFindBestBetterStoreCellFor_Patch1(Verse.Thing,Verse.Pawn,Verse.Map,RimWorld.StoragePriority,RimWorld.Faction,Verse.IntVec3&,bool)
  at RimWorld.StoreUtility.TryFindBestBetterStorageFor (Verse.Thing t, Verse.Pawn carrier, Verse.Map map, RimWorld.StoragePriority currentPriority, RimWorld.Faction faction, Verse.IntVec3& foundCell, RimWorld.IHaulDestination& haulDestination, System.Boolean needAccurateResult) [0x00008] in <1ea541f48818430abd724fc665f76dc4>:0
  at RimWorld.StoreUtility.IsInValidBestStorage (Verse.Thing t) [0x0002d] in <1ea541f48818430abd724fc665f76dc4>:0
  at RimWorld.ListerHaulables.ShouldBeHaulable (Verse.Thing t) [0x0004d] in <1ea541f48818430abd724fc665f76dc4>:0
  at RimWorld.ListerHaulables.Check (Verse.Thing t) [0x00000] in <1ea541f48818430abd724fc665f76dc4>:0
  at RimWorld.ListerHaulables.RecalcAllInCell (Verse.IntVec3 c) [0x00019] in <1ea541f48818430abd724fc665f76dc4>:0
  at RimWorld.ListerHaulables.ListerHaulablesTick () [0x000ea] in <1ea541f48818430abd724fc665f76dc4>:0
  at Verse.Map.MapPreTick () [0x0000b] in <1ea541f48818430abd724fc665f76dc4>:0
  at (wrapper dynamic-method) Verse.TickManager.Verse.TickManager.DoSingleTick_Patch3(Verse.TickManager)
  at Verse.TickManager.TickManagerUpdate () [0x0006f] in <1ea541f48818430abd724fc665f76dc4>:0
  at (wrapper dynamic-method) Verse.Game.Verse.Game.UpdatePlay_Patch2(Verse.Game)
  at Verse.Root_Play.Update () [0x00032] in <1ea541f48818430abd724fc665f76dc4>:0
UnityEngine.StackTraceUtility:ExtractStackTrace ()
Verse.Log:Error (string)
Verse.Root_Play:Update ()