A few days ago I started playing on a Valhalla server that runs several mods including the Planting v1.2d. Everything seemed fine except that in certain regions of the map my client would consistently crash (this was also experienced by several other players though the location of the crash was not necessarily the same). I have since isolated the problem using single-player mode to an interaction between Valhalla and Planting.

I started my testing in single-player with all of the following mods loaded:

Valhalla
Q Continuum
Dynamic Color
ItemTweaks
Paint Mixer
Dino Detector
Stairs Mod
Better Fence
Joan's Death Helper
Aku Shima
Metal Cages
Corrected Structures
Advanced Architecture
Infinite Flare Guns v1.0
Planting v1.2d

I created a flying mount then went to around 55.1 latitude 41.5 longitude on the Valhalla map, which is along the southern beach of the main land mass. From there I flew east along the coast till I reached approx. 53.0 lat by 42.5 lon at which point I would crash. I repeated this several times to make sure that this would be a good spot for testing. Each and every time the game would crash.

I then removed just the Planting mod and repeated my above travels. Not once did I crash. I made sure to restart the client several times, sometimes with the Planting mod loaded, sometimes without. The crashes only occurred when the mod was loaded.

Just to eliminate any interactions with the other mods I removed them all leaving just Valhalla and Planting. Once again the crashes would occur in that area only when I ran with the Planting mod loaded, if I eliminated it the game would not crash.

Obviously this isn't definitive proof that Planting is the ultimate culprit in the crashes but I leave you with this information in the hopes it will help you (or someone) to isolate and fix the problem as I do think this mod adds a much needed element to the game.

Below is the crashstack I keep getting. If you need any other information please feel free to contact me. Good luck with the mod and thanks for your attention.

-auto

Assertion failed: !HasAnyFlags(RF_NeedLoad|RF_NeedPostLoad) [File:F:\UE4\UnrealEngine\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectLinker.cpp] [Line: 96]
Detaching from existing linker for ../../../ShooterGame/Content/PrimalEarth/Environment/Shared/Vegetation/Trees/Acacia/Acacia_Trunk_MIC_Inst_Fading.uasset while object MaterialInstanceConstant /Game/PrimalEarth/Environment/Shared/Vegetation/Trees/Acacia/Acacia_Trunk_MIC_Inst_Fading.Acacia_Trunk_MIC_Inst_Fading needs loaded


KERNELBASE.dll!UnknownFunction (0x00007ffeb957a1c8) + 0 bytes [UnknownFile:0]
ShooterGame.exe!FOutputDevice::Logf__VA() (0x00007ff76b1e90e8) + 159 bytes [f:\ue4\unrealengine\engine\source\runtime\core\private\misc\outputdevice.cpp:145]
ShooterGame.exe!FDebug::AssertFailed() (0x00007ff76b1e9685) + 178 bytes [f:\ue4\unrealengine\engine\source\runtime\core\private\misc\outputdevice.cpp:220]
ShooterGame.exe!UObject::SetLinker() (0x00007ff76b2d70cd) + 123 bytes [f:\ue4\unrealengine\engine\source\runtime\coreuobject\private\uobject\uobjectlinker.cpp:96]
ShooterGame.exe!ULinkerLoad::Detach() (0x00007ff76b285df2) + 0 bytes [f:\ue4\unrealengine\engine\source\runtime\coreuobject\private\uobject\linkerload.cpp:3641]
ShooterGame.exe!ProcessAsyncLoading() (0x00007ff76b25f27c) + 20 bytes [f:\ue4\unrealengine\engine\source\runtime\coreuobject\private\serialization\asyncloading.cpp:1412]
ShooterGame.exe!StaticTick() (0x00007ff76b2cd79c) + 0 bytes [f:\ue4\unrealengine\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:300]
ShooterGame.exe!UGameEngine::Tick() (0x00007ff76b9b4a1c) + 0 bytes [f:\ue4\unrealengine\engine\source\runtime\engine\private\gameengine.cpp:886]
ShooterGame.exe!FEngineLoop::Tick() (0x00007ff76ab28579) + 0 bytes [f:\ue4\unrealengine\engine\source\runtime\launch\private\launchengineloop.cpp:2334]
ShooterGame.exe!GuardedMain() (0x00007ff76ab22c3c) + 0 bytes [f:\ue4\unrealengine\engine\source\runtime\launch\private\launch.cpp:139]
ShooterGame.exe!GuardedMainWrapper() (0x00007ff76ab29a5a) + 5 bytes [f:\ue4\unrealengine\engine\source\runtime\launch\private\windows\launchwindows.cpp:125]
ShooterGame.exe!WinMain() (0x00007ff76ab29b88) + 8 bytes [f:\ue4\unrealengine\engine\source\runtime\launch\private\windows\launchwindows.cpp:209]
ShooterGame.exe!__tmainCRTStartup() (0x00007ff76cb18801) + 21 bytes [f:\dd\vctools\crt\crtw32\dllstuff\crtexe.c:618]
KERNEL32.DLL!UnknownFunction (0x00007ffeba792d92) + 0 bytes [UnknownFile:0]
ntdll.dll!UnknownFunction (0x00007ffebc989f64) + 0 bytes [UnknownFile:0]
ntdll.dll!UnknownFunction (0x00007ffebc989f64) + 0 bytes [UnknownFile:0]