Game grinds to a crawl.
Hit haul urgently on anything game returns to normal speed.

Any help provided is greatly appreciated.

Trying to save reference to a discarded thing Sightstealer3095090 with saveDestroyedThings=true. This means that it's not deep-saved anywhere and is no longer managed by anything in the code, so saving its reference will always fail. , label=li
UnityEngine.StackTraceUtility:ExtractStackTrace ()
Verse.Log:Warning (string)
Verse.Scribe_References:CheckSaveReferenceToDestroyedThing (Verse.Thing,string,bool)
Verse.Scribe_References:Look<Verse.ILoadReferenceable> (Verse.ILoadReferenceable&,string,bool)
Verse.Scribe_Collections:Look<Verse.Pawn> (System.Collections.Generic.List`1<Verse.Pawn>&,bool,string,Verse.LookMode,object[])
Verse.Scribe_Collections:Look<Verse.Pawn> (System.Collections.Generic.HashSet`1<Verse.Pawn>&,bool,string,Verse.LookMode)
VanillaSocialInteractionsExpanded.RaidGroup:ExposeData ()
Verse.Scribe_Deep:Look<VanillaSocialInteractionsExpanded.RaidGroup> (VanillaSocialInteractionsExpanded.RaidGroup&,bool,string,object[])
Verse.Scribe_Collections:Look<VanillaSocialInteractionsExpanded.RaidGroup> (System.Collections.Generic.List`1<VanillaSocialInteractionsExpanded.RaidGroup>&,bool,string,Verse.LookMode,object[])
Verse.Scribe_Collections:Look<VanillaSocialInteractionsExpanded.RaidGroup> (System.Collections.Generic.List`1<VanillaSocialInteractionsExpanded.RaidGroup>&,string,bool,Verse.LookMode,object[])
Verse.Scribe_Collections:Look<VanillaSocialInteractionsExpanded.RaidGroup> (System.Collections.Generic.List`1<VanillaSocialInteractionsExpanded.RaidGroup>&,string,Verse.LookMode,object[])
VanillaSocialInteractionsExpanded.SocialInteractionsManager:ExposeData ()
Verse.Scribe_Deep:Look<Verse.GameComponent> (Verse.GameComponent&,bool,string,object[])
Verse.Scribe_Collections:Look<Verse.GameComponent> (System.Collections.Generic.List`1<Verse.GameComponent>&,bool,string,Verse.LookMode,object[])
Verse.Scribe_Collections:Look<Verse.GameComponent> (System.Collections.Generic.List`1<Verse.GameComponent>&,string,bool,Verse.LookMode,object[])
Verse.Scribe_Collections:Look<Verse.GameComponent> (System.Collections.Generic.List`1<Verse.GameComponent>&,string,Verse.LookMode,object[])
Verse.Game:ExposeSmallComponents ()
Verse.Game:ExposeData ()
Verse.Scribe_Deep:Look<Verse.Game> (Verse.Game&,bool,string,object[])
Verse.Scribe_Deep:Look<Verse.Game> (Verse.Game&,string,object[])
Verse.GameDataSaveLoader/<>c:<SaveGame>b__28_0 ()
Verse.SafeSaver:DoSave (string,string,System.Action)
Verse.SafeSaver:Save (string,string,System.Action,bool)
Verse.GameDataSaveLoader:SaveGame (string)
RimWorld.Autosaver:DoAutosave ()
Verse.LongEventHandler:UpdateCurrentSynchronousEvent (bool&)
Verse.LongEventHandler:LongEventsUpdate (bool&)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.Root.Update_Patch2 (Verse.Root)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.Root_Play.Update_Patch1 (Verse.Root_Play)