Exception filling window for RimWorld.Page_SelectScenario: System.NullReferenceException: Object reference not set to an instance of an object
[lbk]Ref 897C26B2[rbk]
at Verse.GenTypes.SameOrSubclassOf (System.Type baseType, System.Type parentType) [lbk]0x00009[rbk] in <f7a9e19fc1544299a67a6692e164bd0c>:0
at Verse.GenTypes.SameOrSubclassOf[lbk]T[rbk] (System.Type baseType) [lbk]0x00000[rbk] in <f7a9e19fc1544299a67a6692e164bd0c>:0
at RimWorld.ReadingPolicyDatabase.GenerateStartingPolicies () [lbk]0x0003e[rbk] in <f7a9e19fc1544299a67a6692e164bd0c>:0
RimWorld.ReadingPolicyDatabase..ctor()
Verse.Game..ctor()
at RimWorld.Page_SelectScenario.BeginScenarioConfiguration (RimWorld.Scenario scen, RimWorld.Page originPage) [lbk]0x00005[rbk] in <f7a9e19fc1544299a67a6692e164bd0c>:0
at RimWorld.Page_SelectScenario.CanDoNext () [lbk]0x00014[rbk] in <f7a9e19fc1544299a67a6692e164bd0c>:0
at RimWorld.Page.DoBottomButtons (UnityEngine.Rect rect, System.String nextLabel, System.String midLabel, System.Action midAct, System.Boolean showNext, System.Boolean doNextOnKeypress) [lbk]0x000f2[rbk] in <f7a9e19fc1544299a67a6692e164bd0c>:0
at RimWorld.Page_SelectScenario.DoWindowContents (UnityEngine.Rect rect) [lbk]0x000ab[rbk] in <f7a9e19fc1544299a67a6692e164bd0c>:0
at Verse.Window.InnerWindowOnGUI (System.Int32 x) [lbk]0x001a6[rbk] in <f7a9e19fc1544299a67a6692e164bd0c>:0
UnityEngine.StackTraceUtility:ExtractStackTrace ()
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.Log.Error_Patch2 (string)
Verse.Window:InnerWindowOnGUI (int)
UnityEngine.GUI:CallWindowDelegate (UnityEngine.GUI/WindowFunction,int,int,UnityEngine.GUISkin,int,single,single,UnityEngine.GUIStyle)