Idk what this is, it started to appear suddenly, any ideas?

Exception in Verse.AI.ThinkNode_Priority TryIssueJobPackage: System.NullReferenceException: Object reference not set to an instance of an
object
[Ref A5B0A98A] Duplicate stacktrace, see ref for original
UnityEngine.StackTraceUtility:ExtractStackTrace ()
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.Log.Error_Patch4

reference not set to an instance of an object
at Verse.DebugThingPlaceHelper.IsDebugSpawnable (Verse.ThingDef def, System.Boolean allowPlayerBuildable) [0x0007e] in <d243303f714d4dc48680ccaecd2f594e>:0
When i click to Try Place Near Stack, the dev menu closes with this message on the log:

reference not set to an instance of an object
at RimWorld.DrugPolicy.<InitializeIfNeeded>m__33F (RimWorld.DrugPolicyEntry e) [0x00000] in <filename unknown>:0
at Verse.GenCollection+<SortBy>c__AnonStorey
this is what it says for me Exception filling window for RimWorld.Page_SelectScenario: System.InvalidOperationException: Comparison threw an exception. ---> System.NullReferenceException: Object

reference not set to an instance of an object
at Verse.DebugThingPlaceHelper.IsDebugSpawnable (Verse.ThingDef def, System.Boolean allowPlayerBuildable) [0x0007e] in <b64badbf3c3d41018b3ca5d3e8c77771>:0
so lately as of now every time i'm clicking any of the "try place" options this error popped-up

Exception filling window for Verse.Dialog_DebugActionsMenu: System.NullReferenceException: Object

Hi ...
Can someone help please... :(
After today update , also i updated some of my mods , i am non stop getting this error + lag

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System.NullReferenceException: Object reference not set to an instance of an object
at (wrapper dynamic-method) Verse.GenRecipe.Verse.GenRecipe.PostProcessProduct_Patch1
I'm having the same issue and do not have the Common Sense Mod. This has happened with 2 different games now. It didn't happen on my previous game. I have 2 Mechanitors and it only effects one of

/294100/discussions/0/3040481812843571638/

This is the error I get while trying to right-click for the context menu:

Root level exception in OnGUI(): System.NullReferenceException: Object reference not
set to an instance of an object
at RimWorld.RitualBehaviorWorker.CanStartRitualNow (Verse.TargetInfo target, RimWorld.Precept_Ritual ritual, Verse.Pawn selectedPawn

: System.NullReferenceException: Object reference not set to an instance of an object
[Ref E0646FE6]
at Verse.GenTypes.SameOrSubclassOf (System.Type baseType, System.Type parentType) [0x00009] in <d2f9716cc2ac4cda9c2a174cc147bf
Hello, I can use some help with an error. Every time I try to press next on the scenario select or edit screen, it doesn't progress to the next menu and throws this error. I'm not great at debugging

B=Thing_HAR_SK_Meal_c1307959 C=(86, 0, 165))
System.NullReferenceException: Object reference not set to an instance of an object
at ForgottenContinent.ForgottenContinent_Harmony+Patch_PrePostIngested.Prefix (Verse.Pawn
https://youtu.be/0ck3YYhcA3U
pawns take drugs that always drop on the floor.
The success rate of take drugs is about 10%
Alcohol,tea and coffee are works.

Starting new game,everyone take drugs in

Exception in Verse.AI.ThinkNode_Tagger TryIssueJobPackage: System.NullReferenceException: Object reference not set to an instance of an object
[Ref F50FE88F] Duplicate stacktrace, see ref for