Bug: Entire Tab breaks from scrolling

[Vulkandrache]

depending on how a column is sorted. Either at the very top or somewhere in the middle.

Mouse position stack is not empty. There were more calls to BeginScrollView than EndScrollView. Fixing.
UnityEngine.StackTraceUtility:ExtractStackTrace ()
(wrapper dynamic-method) Verse.Log:Verse.Log.Error_Patch1 (string)
Verse.Widgets:EnsureMousePositionStackEmpty ()
(wrapper dynamic-method) Verse.Root:Verse.Root.Update_Patch1 (Verse.Root)
Verse.Root_Play:Update ()

Exception filling window for Numbers.MainTabWindow_Numbers: System.NullReferenceException: Object reference not set to an instance of an object
at (wrapper dynamic-method) Verse.PawnGraphicSet.Verse.PawnGraphicSet.ResolveAllGraphics_Patch3(Verse.PawnGraphicSet)
at Verse.Widgets.GetIconFor (Verse.Thing thing, UnityEngine.Vector2 size, System.Nullable1[T] rot, System.Boolean stackOfOne, System.Single& scale, System.Single& angle, UnityEngine.Vector2& iconProportions, UnityEngine.Color& color) [0x0010e] in <95de19971c5d40878d8742747904cdcd>:0 at Verse.Widgets.ThingIcon (UnityEngine.Rect rect, Verse.Thing thing, System.Single alpha, System.Nullable1[T] rot, System.Boolean stackOfOne) [0x0001c] in <95de19971c5d40878d8742747904cdcd>:0
at (wrapper dynamic-method) RimWorld.PawnColumnWorker_Label.RimWorld.PawnColumnWorker_Label.DoCell_Patch1(RimWorld.PawnColumnWorker_Label,UnityEngine.Rect,Verse.Pawn,RimWorld.PawnTable)
at (wrapper dynamic-method) RimWorld.PawnTable.RimWorld.PawnTable.PawnTableOnGUI_Patch0(RimWorld.PawnTable,UnityEngine.Vector2)
at RimWorld.MainTabWindow_PawnTable.DoWindowContents (UnityEngine.Rect rect) [0x00020] in <95de19971c5d40878d8742747904cdcd>:0
at Numbers.MainTabWindow_Numbers.DoWindowContents (UnityEngine.Rect rect) [0x003be] in <9ff61b29a7ab468ba28486fbf1f24cff>:0
at Verse.Window.InnerWindowOnGUI (System.Int32 x) [0x001d3] in <95de19971c5d40878d8742747904cdcd>:0
UnityEngine.StackTraceUtility:ExtractStackTrace ()
(wrapper dynamic-method) Verse.Log:Verse.Log.Error_Patch1 (string)
Verse.Window:InnerWindowOnGUI (int)
UnityEngine.GUI:CallWindowDelegate (UnityEngine.GUI/WindowFunction,int,int,UnityEngine.GUISkin,int,single,single,UnityEngine.GUIStyle)

These two errors alternate rapidly in the log until it stops from spam.
The whole thing happens on a RealRuins Map with alot of enemies.
The guest tab with only 15 entries works fine.

If the error is active the entire numbers window stops working.
Scrolling moves the screen not the scroll bar and all buttons become unresponsive until i switch the sorting of any column.