Config error in MedievalScenario: no surfaceLayer
UnityEngine.StackTraceUtility:ExtractStackTrace ()
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.Log.Error_Patch2 (string)
Verse.DefDatabase`1<RimWorld.ScenarioDef>:ErrorCheckAllDefs ()
System.Reflection.RuntimeMethodInfo:Invoke (object,System.Reflection.BindingFlags,System.Reflection.Binder,object[],System.Globalization.CultureInfo)
System.Reflection.MethodBase:Invoke (object,object[])
Verse.GenGeneric:InvokeStaticMethodOnGenericType (System.Type,System.Type,string)
Verse.PlayDataLoader/<>c:<DoPlayLoad>b__4_1 (System.Type)
System.Threading.Tasks.Parallel/<>c__DisplayClass33_0`2<System.Type, object>:<ForEachWorker>b__0 (int)
System.Threading.Tasks.Parallel/<>c__DisplayClass19_0`1<object>:<ForWorker>b__1 (System.Threading.Tasks.RangeWorker&,int,bool&)
System.Threading.Tasks.TaskReplicator/Replica`1<System.Threading.Tasks.RangeWorker>:ExecuteAction (bool&)
System.Threading.Tasks.TaskReplicator/Replica:Execute ()
System.Threading.Tasks.TaskReplicator/Replica/<>c:<.ctor>b__4_0 (object)
System.Threading.Tasks.Task:InnerInvoke ()
System.Threading.Tasks.Task:Execute ()
System.Threading.Tasks.Task:ExecutionContextCallback (object)
System.Threading.ExecutionContext:RunInternal (System.Threading.ExecutionContext,System.Threading.ContextCallback,object,bool)
System.Threading.ExecutionContext:Run (System.Threading.ExecutionContext,System.Threading.ContextCallback,object,bool)
System.Threading.Tasks.Task:ExecuteWithThreadLocal (System.Threading.Tasks.Task&)
System.Threading.Tasks.Task:ExecuteEntry (bool)
System.Threading.Tasks.Task:System.Threading.IThreadPoolWorkItem.ExecuteWorkItem ()
System.Threading.ThreadPoolWorkQueue:Dispatch ()
System.Threading._ThreadPoolWaitCallback:PerformWaitCallback ()

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Config error in MedievalScenario: scenario has null part
UnityEngine.StackTraceUtility:ExtractStackTrace ()
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.Log.Error_Patch2 (string)
Verse.DefDatabase`1<RimWorld.ScenarioDef>:ErrorCheckAllDefs ()
System.Reflection.RuntimeMethodInfo:Invoke (object,System.Reflection.BindingFlags,System.Reflection.Binder,object[],System.Globalization.CultureInfo)
System.Reflection.MethodBase:Invoke (object,object[])
Verse.GenGeneric:InvokeStaticMethodOnGenericType (System.Type,System.Type,string)
Verse.PlayDataLoader/<>c:<DoPlayLoad>b__4_1 (System.Type)
System.Threading.Tasks.Parallel/<>c__DisplayClass33_0`2<System.Type, object>:<ForEachWorker>b__0 (int)
System.Threading.Tasks.Parallel/<>c__DisplayClass19_0`1<object>:<ForWorker>b__1 (System.Threading.Tasks.RangeWorker&,int,bool&)
System.Threading.Tasks.TaskReplicator/Replica`1<System.Threading.Tasks.RangeWorker>:ExecuteAction (bool&)
System.Threading.Tasks.TaskReplicator/Replica:Execute ()
System.Threading.Tasks.TaskReplicator/Replica/<>c:<.ctor>b__4_0 (object)
System.Threading.Tasks.Task:InnerInvoke ()
System.Threading.Tasks.Task:Execute ()
System.Threading.Tasks.Task:ExecutionContextCallback (object)
System.Threading.ExecutionContext:RunInternal (System.Threading.ExecutionContext,System.Threading.ContextCallback,object,bool)
System.Threading.ExecutionContext:Run (System.Threading.ExecutionContext,System.Threading.ContextCallback,object,bool)
System.Threading.Tasks.Task:ExecuteWithThreadLocal (System.Threading.Tasks.Task&)
System.Threading.Tasks.Task:ExecuteEntry (bool)
System.Threading.Tasks.Task:System.Threading.IThreadPoolWorkItem.ExecuteWorkItem ()
System.Threading.ThreadPoolWorkQueue:Dispatch ()
System.Threading._ThreadPoolWaitCallback:PerformWaitCallback ()