Second bug, possibly yours. Occurred on enemy death

[Giddy-Up] A reverse lookup request failed to find anything. Returning fallback instance...
UnityEngine.StackTraceUtility:ExtractStackTrace ()
Verse.Log:Warning (string)
GiddyUp.ExtendedDataStorage:ReverseLookup (int,GiddyUp.ExtendedPawnData&) (at C:/Program Files (x86)/Steam/steamapps/common/RimWorld/Source/Giddy-Up/Source/Core/GUStorage.cs:155)
GiddyUp.MountUtility:Dismount (Verse.Pawn,Verse.Pawn,GiddyUp.ExtendedPawnData,bool,Verse.IntVec3,bool,bool) (at C:/Program Files (x86)/Steam/steamapps/common/RimWorld/Source/Giddy-Up/Source/Core/MountUtility.cs:223)
GiddyUp.MountUtility:InvoluntaryDismount (Verse.Pawn,Verse.Pawn,GiddyUp.ExtendedPawnData) (at C:/Program Files (x86)/Steam/steamapps/common/RimWorld/Source/Giddy-Up/Source/Core/MountUtility.cs:281)
GiddyUp.Harmony.Patch_SetDead:Postfix (Verse.Pawn_HealthTracker) (at C:/Program Files (x86)/Steam/steamapps/common/RimWorld/Source/Giddy-Up/Source/Core/Harmony/Pawn_HealthTracker.cs:33)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.Pawn_HealthTracker.SetDead_Patch3 (Verse.Pawn_HealthTracker)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.Pawn.Kill_Patch8 (Verse.Pawn,System.Nullable`1<Verse.DamageInfo>,Verse.Hediff)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.Pawn_HealthTracker.CheckForStateChange_Patch2 (Verse.Pawn_HealthTracker,System.Nullable`1<Verse.DamageInfo>,Verse.Hediff)
Verse.Pawn_HealthTracker:Notify_HediffChanged (Verse.Hediff)
Verse.Hediff:set_Severity (single)
Verse.HealthUtility:AdjustSeverity (Verse.Pawn,Verse.HediffDef,single)
Verse.HediffGiver_Bleeding:OnIntervalPassed (Verse.Pawn,Verse.Hediff)
Verse.Pawn_HealthTracker:HealthTickInterval (int)
Verse.Pawn:TickInterval (int)
Verse.Thing:DoTick ()
Verse.TickList:Tick ()
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.TickManager.DoSingleTick_Patch6 (Verse.TickManager)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.TickManager.TickManagerUpdate_Patch0 (Verse.TickManager)
Verse.Game:UpdatePlay ()
Verse.Root_Play:Update ()

One more. Might be this mod, or Safe Temp:

Exception in JobDriver fixed tick for pawn AA_Groundrunner1284093 driver=JobDriver_Mounted (toilIndex=1) driver.job=(Mounted (Job_3282188) A = Thing_Human1284035 Giver = ThinkNode_QueuedJob [workGiverDef: null])
System.ArgumentNullException: Value cannot be null.
Parameter name: key
[Ref 43BC2F91]
[0x00006] in <51fded79cd284d4d911c5949aff4cb21>:0
at System.Collections.Generic.Dictionary`2[TKey,TValue].FindEntry (TKey key) [0x00008] in <51fded79cd284d4d911c5949aff4cb21>:0
at System.Collections.Generic.Dictionary`2[TKey,TValue].TryGetValue (TKey key, TValue& value) [0x00000] in <51fded79cd284d4d911c5949aff4cb21>:0
at GiddyUp.Jobs.JobDriver_Mounted.RiderShouldDismount (GiddyUp.ExtendedPawnData riderData) [0x002b3] in C:\Program Files (x86)\Steam\steamapps\common\RimWorld\Source\Giddy-Up\Source\Core\Jobs\JobDriver_Mounted.cs:211
at GiddyUp.Jobs.JobDriver_Mounted.<DelegateMovement>b__19_0 () [0x0001a] in C:\Program Files (x86)\Steam\steamapps\common\RimWorld\Source\Giddy-Up\Source\Core\Jobs\JobDriver_Mounted.cs:109
at Verse.AI.JobDriver.DriverTick () [0x001a3] in <78bd3c897ba748f7a6d21cc5498c054e>:0
- POSTFIX safetemperature.1trickPwnyta: Void SafeTemperature.Patch_JobDriver_DriverTick:Postfix(Pawn ___pawn)
UnityEngine.StackTraceUtility:ExtractStackTrace ()
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.Log.Error_Patch1 (string)
Verse.AI.JobUtility:TryStartErrorRecoverJob (Verse.Pawn,string,System.Exception,Verse.AI.JobDriver)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.AI.JobDriver.DriverTick_Patch1 (Verse.AI.JobDriver)
Verse.AI.Pawn_JobTracker:JobTrackerTick ()
Verse.Pawn:Tick ()
Verse.Thing:DoTick ()
Verse.TickList:Tick ()
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.TickManager.DoSingleTick_Patch6 (Verse.TickManager)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.TickManager.TickManagerUpdate_Patch0 (Verse.TickManager)
Verse.Game:UpdatePlay ()
Verse.Root_Play:Update ()

Thanks, ill take a look at those

The errors should be fixed in 2.2.2

@Clocknot I just tried loading into a previous save, got some major issues - I'm being pointed in your direction. Can you check out the hugsLib log please? Running on 1.6.

https://gist.github.com/HugsLibRecordKeeper/24e4dee31326a1afee2a493e3c26e714

- Made a new colony, played for ~8 hours. Went to sleep.
- Come back the next day, fired up the game and initially I was getting incredible graphical artifacting - Blue screens initially with any openable window ghosting across the monitor.
https://imgur.com/h9MZE2K
- Decided to go through with RimPy and clean out the mod list (unsubbing via Steam), removing duplicate mods specifically (ports of Hugslib, RimFridge etc that have not been updated).
- Loaded into Dev Quicktest Colony - this loaded up with no issues
- Verified integrity of game files and then relaunched the game. Loaded into the same colony. - - Same issue, unable to load into current savegame. However now instead of blue-screen ghosting, I am getting black-screen ghosting.
https://imgur.com/9VZcTgS
- Launched new colony, loaded into the new colony with no issue.
- Quit to main menu, loaded back into New Colony, no issues.
- Load into Save game with issues and surprise surprise, am still getting issues.

Yes, there's an issue with the mount areas that causes severe graphical glitches. It bricked my save.

To fix this, I had to remove this section from the save file:

<li Class="GiddyUp.Area_GU">
<ID>6</ID>
<innerGrid>
<trueCount>5</trueCount>
<mapSizeX>250</mapSizeX>
<mapSizeZ>250</mapSizeZ>
<arrDeflate>
7c4hDgAgEAPBI0HwLP7/KhyeIJpLZmzFtgoA4Bq59M6lgR5W+kBj82sGAAAAeHMA
</arrDeflate>
</innerGrid>
<label>Gu_Area_DropMount</label>
<color>RGBA(0.976, 0.800, 0.207, 1.000)</color>
</li>

Might have to remove any other giddyup related area also, but this let me load back into the save.

Thats my bad, should be fixed in 2.2.3