Hi,
I am using Wolrd Composition with a tiled terrain. I snapped a procedural foliage volume to a tile. I added a tree from Kite Demo. When I click simulate, however, it says Generating Procedural Foliage. And the placing. And then it crashes. Here is the logs:
[2015.04.15-10.37.35:502][943]LogAnalytics:Display: [UEEditor.UnrealEngine.Release] AnalyticsET URL:CollectData.1?SessionID=%7B5CB8269D-4E2A-2CA3-7214-3985F79085E3%7D&AppID=UEEditor.UnrealEngine.Release&AppVersion=4.8.0-0%2BUE4&UserID=d2a6ef204e6f872bbcc49588b641dd8b%7C14b8b2169b434373a7e6ffe5b119f5d6%7Cdfdcf773-1bfb-445a-a514-71f5c2a723a6. Payload:{"Events":[{"EventName":"SessionStart","DateOffset":"00:01:04.427","IsEditor":"1","IsLauncherInstalled":"true","ProjectName":"","ProjectID":"00000000000000000000000000000000","ProjectDescription":"","ProjectVersion":"","UniqueDeviceId":"8ad891b1ed65f1e50d9b6d6f8ea5be88","Platform":"Windows"},{"EventName":"Editor.ProgramStarted","DateOffset":"00:01:02.887","IsEditor":"1","MachineID":"d2a6ef204e6f872bbcc49588b641dd8b","AccountID":"14b8b2169b434373a7e6ffe5b119f5d6","GameName":"Thierce","CommandLine":" LOG=log.txt"},{"EventName":"Editor.Usage.Project","DateOffset":"00:01:00.299","IsEditor":"1","Name":"","Id":"00000000000000000000000000000000","SourceFileCount":"0","SourceFileDirectorySize":"0","ModuleCount":"170","ObjectClasses":"1935","BlueprintClasses":"49"},{"EventName":"Editor.Performance.Startup","DateOffset":"00:01:00.015","IsEditor":"1","Duration":"14.038"},{"EventName":"Editor.Usage.AssetCounts","DateOffset":"00:00:54.585","IsEditor":"1","ProjectId":"00000000000000000000000000000000","AssetPackageCount":"2083","Maps":"25"},{"EventName":"Editor.Usage.AssetClasses","DateOffset":"00:00:54.585","IsEditor":"1","ProjectId":"00000000000000000000000000000000","Texture2D":"765","StaticMesh":"193","Font":"6","Material":"377","MaterialFunction":"298","TextureCube":"11","MaterialInstanceConstant":"176","LandscapeLayerInfoObject":"7","Blueprint":"76","SoundClass":"6","SoundMix":"1","TireType":"1","PaperSprite":"2","PaperTerrainMaterial":"1","SoundWave":"24","SoundCue":"19","PhysicalMaterial":"8","BlendSpace1D":"3","AnimSequence":"20","Skeleton":"4","CurveFloat":"3","AnimBlueprint":"5","Rig":"1","SkeletalMesh":"5","CurveLinearColor":"5","SubsurfaceProfile":"1","PhysicsAsset":"2","World":"25","TextureRenderTarget2D":"1","ObjectRedirector":"50","TextureLightProfile":"6","ReverbEffect":"26","ParticleSystem":"9","TouchInterface":"2","DialogueVoice":"2","DialogueWave":"1","PaperFlipbook":"1","DestructibleMesh":"1","ProceduralFoliageSpawner":"3","MaterialParameterCollection":"4","UserDefinedStruct":"2","UserDefinedEnum":"3","LandscapeGrassType":"1"},{"EventName":"Editor.Performance.FrameRate","DateOffset":"00:00:17.049","IsEditor":"1","MeanFrameRate":"24.3"}]}
[2015.04.15-10.38.02:477][390]LogWindows:Error: Windows GetLastError: L’opération a réussi. (0)
[2015.04.15-10.38.02:478][390]LogCrashTracker:
[2015.04.15-10.38.04:590][390]LogCrashTracker:
[2015.04.15-10.38.04:590][390]LogWindows: === Critical error: ===
Assertion failed: (Index >= 0) & (Index < ArrayNum) [File:C:\Unreal\Engine\Source\Runtime\Core\Public\Containers\Array.h] [Line: 678]
Array index out of bounds: -103 from an array of size 16384
KERNELBASE.dll {0x000007fefd68940d} + 0 bytes
UE4Editor-Core.dll!FOutputDeviceWindowsError::Serialize() {0x000007fed7e41154} + 0 bytes [c:\unreal\engine\source\runtime\core\private\windows\windowsp
UE4Editor-Core.dll!FOutputDevice::Logf__VA() {0x000007fed7cfa438} + 159 bytes [c:\unreal\engine\source\runtime\core\private\misc\outputdevic
UE4Editor-Core.dll!FDebug::AssertFailed() {0x000007fed7ccc4c2} + 65 bytes [c:\unreal\engine\source\runtime\core\private\misc\outputdevic
UE4Editor-Landscape.dll!ULandscapeComponent::GetLayerWeightAtLocation() {0x000007fedaf2b712} + 147 bytes [c:\unreal\engine\source\runtime\landscape\private\landscapeed
UE4Editor-FoliageEdit.dll!GetMaxHitWeight() {0x000007fec813d3d2} + 0 bytes [c:\unreal\engine\source\editor\foliageedit\private\foliageedm
UE4Editor-FoliageEdit.dll!FEdModeFoliage::CalculatePotentialInstances_ThreadSafe() {0x000007fec811c6ec} + 240 bytes [c:\unreal\engine\source\editor\foliageedit\private\foliageedm
UE4Editor-FoliageEdit.dll!FEdModeFoliage::AddInstancesImp() {0x000007fec81121c7} + 0 bytes [c:\unreal\engine\source\editor\foliageedit\private\foliageedm
UE4Editor-FoliageEdit.dll!FEdModeFoliage::AddInstances() {0x000007fec811185b} + 52 bytes [c:\unreal\engine\source\editor\foliageedit\private\foliageedm
UE4Editor-FoliageEdit.dll!FProceduralFoliageComponentDetails::OnResimulateClicked() {0x000007fec81518e2} + 0 bytes [c:\unreal\engine\source\editor\foliageedit\private\procedural
UE4Editor-FoliageEdit.dll!TMemberFunctionCaller<FProceduralFoliageComponentDetails,FReply (__cdecl FProceduralFoliageComponentDetails::*)(void) __ptr64>::operator()<>() {0x000007fec80c9287} + 16 bytes [c:\unreal\engine\source\runtime\core\public\delegates\delegat
UE4Editor-FoliageEdit.dll!TTupleImpl<TIntegerSequence<> >::ApplyAfter_ExplicitReturnType<FReply,TMemberFunctionCaller<FProceduralFoliageComponentDetails,FReply (__cdecl FProceduralFoliageComponentDetails::*)(void) __ptr64> >() {0x000007fec80c9ff9} + 19 bytes [c:\unreal\engine\source\runtime\core\public\delegates\tuple.h
UE4Editor-FoliageEdit.dll!TBaseSPMethodDelegateInstance<0,FProceduralFoliageComponentDetails,0,FReply __cdecl(void)>::Execute() {0x000007fec8133ca9} + 36 bytes [c:\unreal\engine\source\runtime\core\public\delegates\delegat
UE4Editor-Slate.dll!TBaseDelegate<FReply>::Execute() {0x000007fedb492c3a} + 6 bytes [c:\unreal\engine\source\runtime\core\public\delegates\delegat
UE4Editor-Slate.dll!SButton::OnMouseButtonUp() {0x000007fedb4c17cf} + 17 bytes [c:\unreal\engine\source\runtime\slate\private\widgets\input\s
UE4Editor-Slate.dll!<lambda_de96dc3471181973108233c6db1f9843>::operator()() {0x000007fedb2c427c} + 24 bytes [c:\unreal\engine\source\runtime\slate\private\framework\appli
UE4Editor-Slate.dll!FEventRouter::Route<FReply,FEventRouter::FToLeafmostPolicy,FPointerEvent,<lambda_de96dc3471181973108233c6db1f9843> >() {0x000007fedb27c327} + 21 bytes [c:\unreal\engine\source\runtime\slate\private\framework\appli
UE4Editor-Slate.dll!FSlateApplication::ProcessMouseButtonUpEvent() {0x000007fedb338739} + 75 bytes [c:\unreal\engine\source\runtime\slate\private\framework\appli
UE4Editor-Slate.dll!FSlateApplication::OnMouseUp() {0x000007fedb325b39} + 16 bytes [c:\unreal\engine\source\runtime\slate\private\framework\appli
UE4Editor-Core.dll!FWindowsApplication::ProcessDeferredMessage() {0x000007fed7e36ad2} + 12 bytes [c:\unreal\engine\source\runtime\core\private\windows\windowsa
UE4Editor-Core.dll!FWindowsApplication::DeferMessage() {0x000007fed7e1dbe6} + 74 bytes [c:\unreal\engine\source\runtime\core\private\windows\windowsa
UE4Editor-Core.dll!FWindowsApplication::ProcessMessage() {0x000007fed7e380f2} + 44 bytes [c:\unreal\engine\source\runtime\core\private\windows\windowsa
UE4Editor-Core.dll!FWindowsApplication::AppWndProc() {0x000007fed7e176df} + 0 bytes [c:\unreal\engine\source\runtime\core\private\windows\windowsa
USER32.dll {0x0000000077779bd1} + 0 bytes
USER32.dll {0x00000000777798da} + 0 bytes
UE4Editor-Core.dll!FWindowsPlatformMisc::PumpMessages() {0x000007fed7e394d6} + 48 bytes [c:\unreal\engine\source\runtime\core\private\windows\windowsp
UE4Editor.exe!FEngineLoop::Tick() {0x000000013f7b2bd6} + 8 bytes [c:\unreal\engine\source\runtime\launch\private\launchenginelo
UE4Editor.exe!GuardedMain() {0x000000013f7a3b4c} + 0 bytes [c:\unreal\engine\source\runtime\launch\private\launch.cpp:142
UE4Editor.exe!GuardedMainWrapper() {0x000000013f7a3bca} + 5 bytes [c:\unreal\engine\source\runtime\launch\private\windows\launch
UE4Editor.exe!WinMain() {0x000000013f7b57b8} + 17 bytes [c:\unreal\engine\source\runtime\launch\private\windows\launch
UE4Editor.exe!__tmainCRTStartup() {0x000000013f7b67b9} + 21 bytes [f:\dd\vctools\crt\crtw32\dllstuff\crtexe.c:618]
kernel32.dll {0x00000000776559ed} + 0 bytes
ntdll.dll {0x000000007788c541} + 0 bytes
ntdll.dll {0x000000007788c541} + 0 bytes