Exception in selection info text generation:System.NullReferenceException: Object reference not set to an instance of an object
  at Arcen.Universal.ArcenLessLinkedList`1[ItemType].Contains (ItemType Item) [0x00019] in <7e2fd818637d458fbb91f36d31f355e7>:0 
  at Arcen.AIW2.Core.GameEntity_Squad.Unselect (System.Boolean IsInstructionFromSim) [0x00017] in <583930ec6f044d23939439e739ed91fd>:0 
  at Arcen.AIW2.Core.GameEntity_Squad.ForceUnselect (System.Boolean IsInstructionFromSim) [0x00008] in <583930ec6f044d23939439e739ed91fd>:0 
  at Arcen.AIW2.Core.Engine_AIW2.DoForSelected (Arcen.AIW2.Core.SelectionCommandScope Scope, Arcen.AIW2.Core.GameEntity_Squad+ProcessorDelegate Processor) [0x000ab] in <583930ec6f044d23939439e739ed91fd>:0 
  at Arcen.AIW2.External.Window_InGameSelectionInfo+customParent.OnUpdateSelected (System.Single& currentY) [0x000a3] in <85327f49b1ce469eb4be2656770fa162>:0 

  at System.Environment.get_StackTrace () [0x00000] in <1f0c1ef1ad524c38bbc5536809c46b48>:0 
  at Arcen.Universal.ArcenDebugging.ArcenDebugLog (System.String Message, Arcen.Universal.DebugLogDestination Destination, System.Boolean IncludeStackTrace, Arcen.Universal.Verbosity Verbosity) [0x00000] in <7e2fd818637d458fbb91f36d31f355e7>:0 
  at Arcen.Universal.ArcenDebugging.ArcenDebugLog (System.String Message, Arcen.Universal.DebugLogDestination Destination, Arcen.Universal.Verbosity Verbosity) [0x00000] in <7e2fd818637d458fbb91f36d31f355e7>:0 
  at Arcen.Universal.ArcenDebugging.ArcenDebugLog (System.String Message, Arcen.Universal.Verbosity Verbosity) [0x00000] in <7e2fd818637d458fbb91f36d31f355e7>:0 
  at Arcen.AIW2.External.Window_InGameSelectionInfo+customParent.OnUpdateSelected (System.Single& currentY) [0x00000] in <85327f49b1ce469eb4be2656770fa162>:0 
  at Arcen.AIW2.External.Window_InGameSelectionInfo+customParent.OnUpdate () [0x00000] in <85327f49b1ce469eb4be2656770fa162>:0 
  at Arcen.Universal.ArcenUI_CustomUI.OnUpdate_Subclass (System.Single DeltaTime) [0x00000] in <7e2fd818637d458fbb91f36d31f355e7>:0 
  at Arcen.Universal.ArcenUI_Element.UpdateFromUI (System.Boolean ShouldDoFullUpdate, System.Single DeltaTime) [0x00000] in <7e2fd818637d458fbb91f36d31f355e7>:0 
  at Arcen.Universal.ArcenUI_Window.OnUpdateWindow (System.Single AddedDeltaTime) [0x00000] in <7e2fd818637d458fbb91f36d31f355e7>:0 
  at Arcen.Universal.ArcenUI.OnUpdateFromMainThread () [0x00000] in <7e2fd818637d458fbb91f36d31f355e7>:0 
  at Arcen.Universal.Engine_Universal.OnUpdateFromMainThread () [0x00000] in <7e2fd818637d458fbb91f36d31f355e7>:0 
  at Arcen.AIW2.Core.ArcenGameControllerBase.BaseUpdate () [0x00000] in <583930ec6f044d23939439e739ed91fd>:0 
  at ArcenGameController.Update () [0x00000] in <342846c60ad043638e2ec80b42611e65>:0