Could not execute post-long-event action. Exception: System.NullReferenceException: Object reference not set to an instance of an object
at Verse.ThingDef.ResolveIcon () [0x0006a] in <cd7169108ea
74757aa50c5b33d275c15>:0
at Verse.BuildableDef.<PostLoad>b__71_0 () [0x00021] in <cd7169108ea74757aa50c5b33d275c15>:0
at Verse.LongEventHandler.ExecuteToExecuteWhenFinished () [0x0007c] in <cd

The logs keep talking about grass and whealthwatcher not set to an instance of object.

NullReferenceException: Object reference not set to an instance of an object
at Verse.ShootLeanUtility.LeanShootingSourcesFromTo (Verse.IntVec3 shooterLoc, Verse.IntVec3 targetPos, Verse.Map map
, System.Collections.Generic.List`1[T] listToFill) [0x00213] in <f0ac5eb9b52e4cc396c70fc9a4ee15e5>:0
UnityEngine.DebugLogHandler:Internal_LogException(Exception, Object)
UnityEngine.DebugLogHandler:LogException(Exception, Object

does anyone know how to solve this, my pawn wont heal his injuries

Exception ticking Web (at (122, 0, 85)): System.NullReferenceException: Object reference not set to an instance of an object
at

I need help. Suddenly my interface start to disappear.

Root level exception in OnGUI(): System.NullReferenceException: Object reference not set to an instance of an object
at (wrapper

When opening the window to manage drug policies, I also got spammed with this:

Exception filling window for RimWorld.Dialog_ManageDrugPolicies: System.NullReferenceException: Object reference not
set to an instance of an object
at RimWorld.Dialog_ManageDrugPolicies.DoEntryRow (Rect rect, RimWorld.DrugPolicyEntry entry) [0x00000] in <filename unknown>:0
at

RimWorld.Page_ConfigureStartingPawns: System.NullReferenceException: Object reference not set to an instance of an object
at RimWorld.Page_ConfigureStartingPawns.get_StartingPawnsAllBabies ()
at

RimWorld.Page_ConfigureStartingPawns: System.NullReferenceException: Object reference not set to an instance of an object
at RimWorld.Page_ConfigureStartingPawns.get_StartingPawnsAllBabies ()
at

I have no idea what it says but there is exact error from logs:

Exception ticking Ugthuh (at (104, 0, 153)): System.NullReferenceException: Object reference not set to an instance of an object
at

System.NullReferenceException: Object reference not set to an instance of an object
at VanillaMemesExpanded.GameComponent_BonfireTracker.GameComponentTick () [0x0007a] in <6b81da8626af45e299bfca57e