RimWorld open colony save issue

Initialize engine version: 5.4.1f1 (649f48bbbf0f)
GfxDevice: creating device client; threaded=1
Direct3D:
    Version:  Direct3D 9.0c [nvldumd.dll 22.21.13.8205]
    Renderer: NVIDIA GeForce GTX 1070
    Vendor:   NVIDIA
    VRAM:     3072 MB (via DXGI)
    Caps:     Shader=30 DepthRT=1 NativeDepth=1 NativeShadow=1 DF16=0 INTZ=1 NULL=1 RESZ=0 SlowINTZ=0 ATOC=1
Begin MonoManager ReloadAssembly
Platform assembly: C:\Program Files (x86)\Steam\steamapps\common\RimWorld\RimWorldWin_Data\Managed\UnityEngine.dll (this message is harmless)
Loading C:\Program Files (x86)\Steam\steamapps\common\RimWorld\RimWorldWin_Data\Managed\UnityEngine.dll into Unity Child Domain
Platform assembly: C:\Program Files (x86)\Steam\steamapps\common\RimWorld\RimWorldWin_Data\Managed\Assembly-CSharp-firstpass.dll (this message is harmless)
Loading C:\Program Files (x86)\Steam\steamapps\common\RimWorld\RimWorldWin_Data\Managed\Assembly-CSharp-firstpass.dll into Unity Child Domain
Platform assembly: C:\Program Files (x86)\Steam\steamapps\common\RimWorld\RimWorldWin_Data\Managed\Assembly-CSharp.dll (this message is harmless)
Loading C:\Program Files (x86)\Steam\steamapps\common\RimWorld\RimWorldWin_Data\Managed\Assembly-CSharp.dll into Unity Child Domain
Platform assembly: C:\Program Files (x86)\Steam\steamapps\common\RimWorld\RimWorldWin_Data\Managed\UnityEngine.UI.dll (this message is harmless)
Loading C:\Program Files (x86)\Steam\steamapps\common\RimWorld\RimWorldWin_Data\Managed\UnityEngine.UI.dll into Unity Child Domain
Platform assembly: C:\Program Files (x86)\Steam\steamapps\common\RimWorld\RimWorldWin_Data\Managed\UnityEngine.Networking.dll (this message is harmless)
Loading C:\Program Files (x86)\Steam\steamapps\common\RimWorld\RimWorldWin_Data\Managed\UnityEngine.Networking.dll into Unity Child Domain
Platform assembly: C:\Program Files (x86)\Steam\steamapps\common\RimWorld\RimWorldWin_Data\Managed\System.Xml.Linq.dll (this message is harmless)
Loading C:\Program Files (x86)\Steam\steamapps\common\RimWorld\RimWorldWin_Data\Managed\System.Xml.Linq.dll into Unity Child Domain
Platform assembly: C:\Program Files (x86)\Steam\steamapps\common\RimWorld\RimWorldWin_Data\Managed\NAudio.dll (this message is harmless)
Loading C:\Program Files (x86)\Steam\steamapps\common\RimWorld\RimWorldWin_Data\Managed\NAudio.dll into Unity Child Domain
Platform assembly: C:\Program Files (x86)\Steam\steamapps\common\RimWorld\RimWorldWin_Data\Managed\NVorbis.dll (this message is harmless)
Loading C:\Program Files (x86)\Steam\steamapps\common\RimWorld\RimWorldWin_Data\Managed\NVorbis.dll into Unity Child Domain
- Completed reload, in  0.050 seconds
Platform assembly: C:\Program Files (x86)\Steam\steamapps\common\RimWorld\RimWorldWin_Data\Managed\System.Core.dll (this message is harmless)
Platform assembly: C:\Program Files (x86)\Steam\steamapps\common\RimWorld\RimWorldWin_Data\Managed\System.dll (this message is harmless)
Platform assembly: C:\Program Files (x86)\Steam\steamapps\common\RimWorld\RimWorldWin_Data\Managed\System.Xml.dll (this message is harmless)
<RI> Initializing input.

<RI> Input initialized.

desktop: 3840x2160 60Hz; virtual: 3840x2160 at 0,0
<RI> Initialized touch support.

UnloadTime: 0.876129 ms
RimWorld 0.17.1557 rev1153

(Filename: C:/buildslave/unity/build/artifacts/generated/common/runtime/UnityEngineDebugBindings.gen.cpp Line: 42)

Mods config data is from build -1 while we are at build 1557. Resetting.

(Filename: C:/buildslave/unity/build/artifacts/generated/common/runtime/UnityEngineDebugBindings.gen.cpp Line: 42)

Unloading 5 Unused Serialized files (Serialized files now loaded: 0)
UnloadTime: 0.990686 ms

Unloading 43 unused Assets to reduce memory usage. Loaded Objects now: 6943.
Total: 16.388115 ms (FindLiveObjects: 0.232913 ms CreateObjectMapping: 0.446247 ms MarkObjects: 15.664242 ms  DeleteObjects: 0.043835 ms)

Loading game from file Nexts-99 with mods Core

(Filename: C:/buildslave/unity/build/artifacts/generated/common/runtime/UnityEngineDebugBindings.gen.cpp Line: 42)

Exception from asynchronous event: System.IndexOutOfRangeException: Array index is out of range.
  at RimWorld.Planet.WorldPathFinder.FloodPathsWithCost (System.Collections.Generic.List`1 startTiles, System.Func`3 costFunc, System.Func`2 impassable, System.Func`3 terminator) [0x00000] in <filename unknown>:0
  at RimWorld.Planet.WorldGenStep_Roads.GenerateProspectiveLinks (System.Collections.Generic.List`1 indexToTile) [0x00000] in <filename unknown>:0
  at RimWorld.Planet.WorldGenStep_Roads.GenerateRoadNetwork () [0x00000] in <filename unknown>:0
  at RimWorld.Planet.WorldGenStep_Roads.GenerateFromScribe (System.String seed) [0x00000] in <filename unknown>:0
  at RimWorld.Planet.World.ExposeData () [0x00000] in <filename unknown>:0
  at Verse.Game.LoadGame () [0x00000] in <filename unknown>:0
  at Verse.SavedGameLoader.LoadGameFromSaveFile (System.String fileName) [0x00000] in <filename unknown>:0
  at Verse.Root_Play.<Start>m__84F () [0x00000] in <filename unknown>:0
  at Verse.LongEventHandler.RunEventFromAnotherThread (System.Action action) [0x00000] in <filename unknown>:0

(Filename: C:/buildslave/unity/build/artifacts/generated/common/runtime/UnityEngineDebugBindings.gen.cpp Line: 42)

Unloading 0 Unused Serialized files (Serialized files now loaded: 0)

Unloading 0 unused Assets to reduce memory usage. Loaded Objects now: 6947.
Total: 55.240849 ms (FindLiveObjects: 0.330521 ms CreateObjectMapping: 0.440986 ms MarkObjects: 54.455894 ms  DeleteObjects: 0.011981 ms)

Unloading 2 Unused Serialized files (Serialized files now loaded: 0)
UnloadTime: 0.626850 ms

Unloading 1 unused Assets to reduce memory usage. Loaded Objects now: 6936.
Total: 15.659858 ms (FindLiveObjects: 0.243726 ms CreateObjectMapping: 0.634740 ms MarkObjects: 14.766195 ms  DeleteObjects: 0.014027 ms)

Setting up 1 worker threads for Enlighten.
  Thread -> id: 2e70 -> priority: 1