No free workers for BFS. BFS recurred deeper than 0, or a bug has put this system in an inconsistent state.
UnityEngine.StackTraceUtility:ExtractStackTrace ()
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.Log.Error_Patch1 (string)
Vehicles.VehicleRegionTraverser:BreadthFirstTraverse (Vehicles.VehicleRegion,Vehicles.VehicleRegionTraverser/VehicleRegionEntry,Vehicles.VehicleRegionTraverser/VehicleRegionProcessor,int,Verse.RegionType)
Vehicles.VehicleRegionTraverser:FloodAndSetNewRegionIndex (Vehicles.VehicleRegion,int)
Vehicles.VehicleRegionAndRoomUpdater:CombineNewRegionsIntoContiguousGroups ()
Vehicles.VehicleRegionAndRoomUpdater:CreateOrUpdateVehicleRooms ()
Vehicles.VehicleRegionAndRoomUpdater:TryRebuildVehicleRegions ()
Vehicles.VehicleRegionAndRoomUpdater:RebuildAllVehicleRegions ()
Vehicles.VehicleMapping:GenerateRegions (System.Text.StringBuilder)
Vehicles.VehicleMapping:GenerateRegionsAsync (System.Text.StringBuilder)
Vehicles.VehicleMapping:FinalizeInit ()
Verse.MapComponentUtility:FinalizeInit (Verse.Map)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.Map.FinalizeInit_Patch5 (Verse.Map)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.MapGenerator.GenerateMap_Patch3 (Verse.IntVec3,RimWorld.Planet.MapParent,Verse.MapGeneratorDef,System.Collections.Generic.IEnumerable`1<Verse.GenStepWithParams>,System.Action`1<Verse.Map>,bool)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.Game.InitNewGame_Patch4 (Verse.Game)
Verse.Root_Play/<>c:<Start>b__1_2 ()
Verse.LongEventHandler:RunEventFromAnotherThread (System.Action)
Verse.LongEventHandler/<>c:<UpdateCurrentAsynchronousEvent>b__28_0 ()
System.Threading.ThreadHelper:ThreadStart_Context (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.ExecutionContext:Run (System.Threading.ExecutionContext,System.Threading.ContextCallback,object)
System.Threading.ThreadHelper:ThreadStart ()
UnityEngine.StackTraceUtility:ExtractStackTrace ()
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.Log.Error_Patch1 (string)
Vehicles.VehicleRegionTraverser:BreadthFirstTraverse (Vehicles.VehicleRegion,Vehicles.VehicleRegionTraverser/VehicleRegionEntry,Vehicles.VehicleRegionTraverser/VehicleRegionProcessor,int,Verse.RegionType)
Vehicles.VehicleRegionTraverser:FloodAndSetNewRegionIndex (Vehicles.VehicleRegion,int)
Vehicles.VehicleRegionAndRoomUpdater:CombineNewRegionsIntoContiguousGroups ()
Vehicles.VehicleRegionAndRoomUpdater:CreateOrUpdateVehicleRooms ()
Vehicles.VehicleRegionAndRoomUpdater:TryRebuildVehicleRegions ()
Vehicles.VehicleRegionAndRoomUpdater:RebuildAllVehicleRegions ()
Vehicles.VehicleMapping:GenerateRegions (System.Text.StringBuilder)
Vehicles.VehicleMapping:GenerateRegionsAsync (System.Text.StringBuilder)
Vehicles.VehicleMapping:FinalizeInit ()
Verse.MapComponentUtility:FinalizeInit (Verse.Map)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.Map.FinalizeInit_Patch5 (Verse.Map)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.MapGenerator.GenerateMap_Patch3 (Verse.IntVec3,RimWorld.Planet.MapParent,Verse.MapGeneratorDef,System.Collections.Generic.IEnumerable`1<Verse.GenStepWithParams>,System.Action`1<Verse.Map>,bool)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.Game.InitNewGame_Patch4 (Verse.Game)
Verse.Root_Play/<>c:<Start>b__1_2 ()
Verse.LongEventHandler:RunEventFromAnotherThread (System.Action)
Verse.LongEventHandler/<>c:<UpdateCurrentAsynchronousEvent>b__28_0 ()
System.Threading.ThreadHelper:ThreadStart_Context (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.ExecutionContext:Run (System.Threading.ExecutionContext,System.Threading.ContextCallback,object)
System.Threading.ThreadHelper:ThreadStart ()