Exception:

v0.6.4.0-bf0cac1-xsw
ArgumentException: An item with the same key has already been added. Key: Slope1:SlopeIcon
TimberApi.SpecificationSystem.GeneratedSpecificationAssetRepository.AddSpecificationRange (System.Collections.Generic.IEnumerable`1[T] generatedSpecifications) (at <229d72f5f3fa4847a2ed6bc28e0c0c36>:0)
TimberApi.SpecificationSystem.GeneratedSpecificationLoader.PostLoad () (at <229d72f5f3fa4847a2ed6bc28e0c0c36>:0)
TimberApi.SingletonSystem.SingletonLifecycleServicePatcher+<>c.<LoadAllPrefix>b__0_1 (TimberApi.SingletonSystem.ITimberApiPostLoadableSingleton singleton) (at <8852c54c83c94d439e1ee7111a39ddc8>:0)
TimberApi.SingletonSystem.SingletonLifecycleServicePatcher.LoadSingleton[T] (System.Collections.Generic.IEnumerable`1[T] singletons, System.Action`1[T] action) (at <8852c54c83c94d439e1ee7111a39ddc8>:0)
TimberApi.SingletonSystem.SingletonLifecycleServicePatcher.LoadAllPrefix (Timberborn.SingletonSystem.ISingletonRepository ____singletonRepository) (at <8852c54c83c94d439e1ee7111a39ddc8>:0)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.Timberborn.SingletonSystem.SingletonLifecycleService.LoadAll_Patch1(Timberborn.SingletonSystem.SingletonLifecycleService)
Timberborn.SingletonSystem.SingletonLifecycleAdapter.Start () (at <eae49c01944b4553a2e8f0eb755217a5>:0)

Player Log:

kGfxThreadingModeSplitJobs is not supported on Direct3D 11. Reverting to kGfxThreadingModeClientWorkerJobs instead.
GfxDevice: creating device client; kGfxThreadingModeClientWorkerJobs
Direct3D:
Version: Direct3D 11.0 [level 11.1]
Renderer: AMD Radeon RX 7800 XT (ID=0x747e)
Vendor: ATI
VRAM: 16172 MB
Driver: 31.0.22030.2
Begin MonoManager ReloadAssembly
- Loaded All Assemblies, in 0.493 seconds
- Finished resetting the current domain, in 0.002 seconds
[PhysX] Initialized MultithreadedTaskDispatcher with 16 workers.
ERROR: Shader Hidden/Universal Render Pipeline/DBufferClear shader is not supported on this GPU (none of subshaders/fallbacks are suitable)
D3D11 device created for Microsoft Media Foundation video decoding.
<RI> Initializing input.

New input system (experimental) initialized
Using Windows.Gaming.Input
<RI> Initialized touch support.

UnloadTime: 0.401500 ms
Starting game version 0.6.4.0-bf0cac1-xsw
System info:
System: Windows 11 (10.0.22631) 64bit
CPU: AMD Ryzen 7 5800X 8-Core Processor
GPU: AMD Radeon RX 7800 XT
GPU memory: 16172MB
RAM: 65462MB
Drives:
C:\ 201.65GB free from 300.00GB
D:\ 627.49GB free from 1562.24GB
Successfully connected to the Steam client.
RenderGraph is now enabled.
Successfully connected to the Steam client.
Modded: true, official
- 1x1x2Storage (v2.2.8)
- Dirt (v1.4.5)
- Greedy Builders (v0.6.1.03)
- Harmony (v2.3.3)
- KnatteMaterials (v1.0.2)
- Ladder (v2.1.0)
- Mod Settings (v0.6.3.5)
- Path Extention (v2.0.5)
- Pump Extender (v3.0.2)
- SmartPower (v1.9.0)
- Staircase (v2.1.5)
- TimberApi (v0.7.2.0)
- MoreGroups (v2.0.5)
- Vertical Power Shaft (v2.0.2)
- Water Extention (v2.0.9)
Loaded 2 feature definitions for SmartPower, Version=1.8.0.40635, Culture=neutral, PublicKeyToken=null from

Disable feature: !DebugEx.VerboseLogging
Enable feature: Network.ShowBatteryVitals
SWA
Unloading 6 Unused Serialized files (Serialized files now loaded: 10)
UnloadTime: 6.466500 ms
Unloading 7 unused Assets to reduce memory usage. Loaded Objects now: 5677.
Total: 5.079300 ms (FindLiveObjects: 0.244100 ms CreateObjectMapping: 0.218200 ms MarkObjects: 4.564700 ms DeleteObjects: 0.049200 ms)

I did not upload the entire player log just the top part with the config info. if you need the entire log i can upload it somewhere just send me an upload link and i can drop the zip file for you.