It is not working well if I activate Biotech, I am getting an error. If I deactivate Biotech, it is working fine.

Root level exception in OnGUI(): System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.NullReferenceException: Object reference not set to an instance of an object
at RimWorld.Pawn_GeneTracker.get_CustomXenotype () [0x0003d] in <95de19971c5d40878d8742747904cdcd>:0
at RimWorld.GeneUtility.IsBaseliner (Verse.Pawn pawn) [0x0002d] in <95de19971c5d40878d8742747904cdcd>:0
at Verse.Pawn.get_DescriptionFlavor () [0x00000] in <95de19971c5d40878d8742747904cdcd>:0
at RimWorld.StatsReportUtility.DescriptionEntry (Verse.Thing thing) [0x00014] in <95de19971c5d40878d8742747904cdcd>:0
at RimWorld.StatsReportUtility+<StatsToDraw>d__26.MoveNext () [0x00057] in <95de19971c5d40878d8742747904cdcd>:0
at System.Linq.Enumerable+ConcatIterator`1[TSource].MoveNext () [0x0002b] in <351e49e2a5bf4fd6beabb458ce2255f3>:0
at System.Linq.Enumerable+WhereSelectEnumerableIterator`2[TSource,TResult].ToArray () [0x0003e] in <351e49e2a5bf4fd6beabb458ce2255f3>:0
at System.Linq.Buffer`1[TElement]..ctor (System.Collections.Generic.IEnumerable`1[T] source) [0x0000a] in <351e49e2a5bf4fd6beabb458ce2255f3>:0
at System.Linq.OrderedEnumerable`1[TElement].ToList () [0x00000] in <351e49e2a5bf4fd6beabb458ce2255f3>:0
at System.Linq.Enumerable.ToList[TSource] (System.Collections.Generic.IEnumerable`1[T] source) [0x0001f] in <351e49e2a5bf4fd6beabb458ce2255f3>:0
at Numbers.MainTabWindow_Numbers.GetHumanLikeStatDefs () [0x00141] in <9ff61b29a7ab468ba28486fbf1f24cff>:0
at Numbers.MainTabWindow_Numbers..ctor () [0x00085] in <9ff61b29a7ab468ba28486fbf1f24cff>:0
at (wrapper managed-to-native) System.Reflection.MonoCMethod.InternalInvoke(System.Reflection.MonoCMethod,object,object[],System.Exception&)
at System.Reflection.MonoCMethod.InternalInvoke (System.Object obj, System.Object[] parameters) [0x00002] in <eae584ce26bc40229c1b1aa476bfa589>:0
--- End of inner exception stack trace ---
at System.Reflection.MonoCMethod.InternalInvoke (System.Object obj, System.Object[] parameters) [0x00014] in <eae584ce26bc40229c1b1aa476bfa589>:0
at System.RuntimeType.CreateInstanceMono (System.Boolean nonPublic) [0x000a8] in <eae584ce26bc40229c1b1aa476bfa589>:0
at System.RuntimeType.CreateInstanceSlow (System.Boolean publicOnly, System.Boolean skipCheckThis, System.Boolean fillCache, System.Threading.StackCrawlMark& stackMark) [0x00009] in <eae584ce26bc40229c1b1aa476bfa589>:0
at System.RuntimeType.CreateInstanceDefaultCtor (System.Boolean publicOnly, System.Boolean skipCheckThis, System.Boolean fillCache, System.Threading.StackCrawlMark& stackMark) [0x00027] in <eae584ce26bc40229c1b1aa476bfa589>:0
at System.Activator.CreateInstance (System.Type type, System.Boolean nonPublic) [0x00020] in <eae584ce26bc40229c1b1aa476bfa589>:0
at System.Activator.CreateInstance (System.Type type) [0x00000] in <eae584ce26bc40229c1b1aa476bfa589>:0
at RimWorld.MainButtonDef.get_TabWindow () [0x00016] in <95de19971c5d40878d8742747904cdcd>:0
at (wrapper dynamic-method) RimWorld.MainTabsRoot.RimWorld.MainTabsRoot.ToggleTab_Patch2(RimWorld.MainTabsRoot,RimWorld.MainButtonDef,bool)
at RimWorld.MainButtonWorker_ToggleTab.Activate () [0x00005] in <95de19971c5d40878d8742747904cdcd>:0
at RimWorld.MainButtonWorker.InterfaceTryActivate () [0x0008d] in <95de19971c5d40878d8742747904cdcd>:0
at RimWorld.MainButtonWorker.DoButton (UnityEngine.Rect rect) [0x000ee] in <95de19971c5d40878d8742747904cdcd>:0
at RimWorld.MainButtonsRoot.DoButtons () [0x00119] in <95de19971c5d40878d8742747904cdcd>:0
at (wrapper dynamic-method) RimWorld.MainButtonsRoot.RimWorld.MainButtonsRoot.MainButtonsOnGUI_Patch1(RimWorld.MainButtonsRoot)
at (wrapper dynamic-method) RimWorld.UIRoot_Play.RimWorld.UIRoot_Play.UIRootOnGUI_Patch3(RimWorld.UIRoot_Play)
at (wrapper dynamic-method) Verse.Root.Verse.Root.OnGUI_Patch2(Verse.Root)
UnityEngine.StackTraceUtility:ExtractStackTrace ()
(wrapper dynamic-method) Verse.Log:Verse.Log.Error_Patch5 (string)
(wrapper dynamic-method) Verse.Root:Verse.Root.OnGUI_Patch2 (Verse.Root)