For example:

Could not load reference to Verse.SpecialThingFilterDef named AllowCorpsesMechFriendly
UnityEngine.StackTraceUtility:ExtractStackTrace ()
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.Log.Error_Patch2 (string)
Verse.ScribeExtractor:DefFromNode<Verse.SpecialThingFilterDef> (System.Xml.XmlNode)
Verse.ScribeExtractor:DefFromNodeUnsafe<Verse.SpecialThingFilterDef> (System.Xml.XmlNode)
Verse.Scribe_Collections:Look<Verse.SpecialThingFilterDef> (System.Collections.Generic.List`1<Verse.SpecialThingFilterDef>&,bool,string,Verse.LookMode,object[])
Verse.Scribe_Collections:Look<Verse.SpecialThingFilterDef> (System.Collections.Generic.List`1<Verse.SpecialThingFilterDef>&,string,bool,Verse.LookMode,object[])
Verse.Scribe_Collections:Look<Verse.SpecialThingFilterDef> (System.Collections.Generic.List`1<Verse.SpecialThingFilterDef>&,string,Verse.LookMode,object[])
Verse.ThingFilter:ExposeData ()
Verse.ScribeExtractor:SaveableFromNode<Verse.ThingFilter> (System.Xml.XmlNode,object[])
Verse.Scribe_Deep:Look<Verse.ThingFilter> (Verse.ThingFilter&,bool,string,object[])
Verse.Scribe_Deep:Look<Verse.ThingFilter> (Verse.ThingFilter&,string,object[])
RimWorld.Bill:ExposeData ()
RimWorld.Bill_Production:ExposeData ()
Verse.ScribeExtractor:SaveableFromNode<RimWorld.Bill> (System.Xml.XmlNode,object[])
Verse.Scribe_Collections:Look<RimWorld.Bill> (System.Collections.Generic.List`1<RimWorld.Bill>&,bool,string,Verse.LookMode,object[])
Verse.Scribe_Collections:Look<RimWorld.Bill> (System.Collections.Generic.List`1<RimWorld.Bill>&,string,bool,Verse.LookMode,object[])
Verse.Scribe_Collections:Look<RimWorld.Bill> (System.Collections.Generic.List`1<RimWorld.Bill>&,string,Verse.LookMode,object[])
DubsMintMenus.FBenchTemplate:ExposeData ()
Verse.ScribeExtractor:SaveableFromNode<DubsMintMenus.FBenchTemplate> (System.Xml.XmlNode,object[])
Verse.Scribe_Collections:Look<DubsMintMenus.FBenchTemplate> (System.Collections.Generic.List`1<DubsMintMenus.FBenchTemplate>&,bool,string,Verse.LookMode,object[])
Verse.Scribe_Collections:Look<DubsMintMenus.FBenchTemplate> (System.Collections.Generic.List`1<DubsMintMenus.FBenchTemplate>&,string,bool,Verse.LookMode,object[])
Verse.Scribe_Collections:Look<DubsMintMenus.FBenchTemplate> (System.Collections.Generic.List`1<DubsMintMenus.FBenchTemplate>&,string,Verse.LookMode,object[])
DubsMintMenus.Settings:ExposeData ()
Verse.ScribeExtractor:SaveableFromNode<DubsMintMenus.Settings> (System.Xml.XmlNode,object[])
Verse.Scribe_Deep:Look<DubsMintMenus.Settings> (DubsMintMenus.Settings&,bool,string,object[])
Verse.Scribe_Deep:Look<DubsMintMenus.Settings> (DubsMintMenus.Settings&,string,object[])
Verse.LoadedModManager:ReadModSettings<DubsMintMenus.Settings> (string,string)
Verse.Mod:GetSettings<DubsMintMenus.Settings> ()
DubsMintMenus.DubsMintMenusMod:get_Settings ()
DubsMintMenus.HarmonyPatches/Patch_FinishProject:Prefix (bool&)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:RimWorld.ResearchManager.FinishProject_Patch2 (RimWorld.ResearchManager,Verse.ResearchProjectDef,bool,Verse.Pawn,bool)
ResearchUtility:ApplyPlayerStartingResearch ()
Verse.Game:InitNewGame ()
Verse.Root_Play/<>c:<Start>b__1_2 ()
Verse.LongEventHandler:RunEventFromAnotherThread (System.Action)
Verse.LongEventHandler/<>c:<UpdateCurrentAsynchronousEvent>b__28_0 ()
System.Threading.ThreadHelper:ThreadStart_Context (object)
System.Threading.ExecutionContext:RunInternal (System.Threading.ExecutionContext,System.Threading.ContextCallback,object,bool)
System.Threading.ExecutionContext:Run (System.Threading.ExecutionContext,System.Threading.ContextCallback,object,bool)
System.Threading.ExecutionContext:Run (System.Threading.ExecutionContext,System.Threading.ContextCallback,object)
System.Threading.ThreadHelper:ThreadStart ()







And:

Exception registering RimWorld.Bill_Production [excepted] in loaded object directory with unique load ID [excepted]: System.NullReferenceException: Object reference not set to an instance of an object
[Ref D81C0162]
at RimWorld.Bill.GetUniqueLoadID () [0x00000] in <0e2171d8b2df4f6dbd591f83fe14dc50>:0
at Verse.LoadedObjectDirectory.RegisterLoaded (Verse.ILoadReferenceable reffable) [0x000b3] in <0e2171d8b2df4f6dbd591f83fe14dc50>:0
UnityEngine.StackTraceUtility:ExtractStackTrace ()
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.Log.Error_Patch2 (string)
Verse.LoadedObjectDirectory:RegisterLoaded (Verse.ILoadReferenceable)
Verse.CrossRefHandler:ResolveAllCrossReferences ()
Verse.ScribeLoader:FinalizeLoading ()
Verse.LoadedModManager:ReadModSettings<DubsMintMenus.Settings> (string,string)
Verse.Mod:GetSettings<DubsMintMenus.Settings> ()
DubsMintMenus.DubsMintMenusMod:get_Settings ()
DubsMintMenus.HarmonyPatches/Patch_FinishProject:Prefix (bool&)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:RimWorld.ResearchManager.FinishProject_Patch2 (RimWorld.ResearchManager,Verse.ResearchProjectDef,bool,Verse.Pawn,bool)
ResearchUtility:ApplyPlayerStartingResearch ()
Verse.Game:InitNewGame ()
Verse.Root_Play/<>c:<Start>b__1_2 ()
Verse.LongEventHandler:RunEventFromAnotherThread (System.Action)
Verse.LongEventHandler/<>c:<UpdateCurrentAsynchronousEvent>b__28_0 ()
System.Threading.ThreadHelper:ThreadStart_Context (object)
System.Threading.ExecutionContext:RunInternal (System.Threading.ExecutionContext,System.Threading.ContextCallback,object,bool)
System.Threading.ExecutionContext:Run (System.Threading.ExecutionContext,System.Threading.ContextCallback,object,bool)
System.Threading.ExecutionContext:Run (System.Threading.ExecutionContext,System.Threading.ContextCallback,object)
System.Threading.ThreadHelper:ThreadStart ()