UE4 Research & Exploration

Researching SPEEDTREE

ISSUES WITH UE4

I have been encountering issues with UE4 crashing when i attempt to import trees from the library and when applying texture.  The following was produced :(

Assertion failed: (Index >= 0) & (Index < ArrayNum) [File:D:\BuildFarm\buildmachine_++depot+UE4-Releases+4.7\Engine\Source\Runtime\Core\Public\Containers\Array.h] [Line: 679] Array index out of bounds: 2 from an array of size 2

KERNELBASE.dll!UnknownFunction (0x00007ffcd6558b9c) + 0 bytes [UnknownFile:0]UE4Editor-Core.dll!FOutputDeviceWindowsError::Serialize() (0x00007ffcbfc78014) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\private\windows\windowsplatformoutputdevices.cpp:95]UE4Editor-Core.dll!FOutputDevice::Logf__VA() (0x00007ffcbfaf7818) + 159 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\private\misc\outputdevice.cpp:144]UE4Editor-Core.dll!FDebug::AssertFailed() (0x00007ffcbfad8b17) + 62 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\private\misc\outputdevice.cpp:224]UE4Editor-Slate.dll!FSlateApplication::DrawPrepass() (0x00007ffcbec117e0) + 111 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1029]UE4Editor-Slate.dll!FSlateApplication::PrivateDrawWindows() (0x00007ffcbec527db) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1068]UE4Editor-Slate.dll!FSlateApplication::Tick() (0x00007ffcbec703ff) + 12 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1323]UE4Editor.exe!FEngineLoop::Tick() (0x00007ff7c479036f) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\launchengineloop.cpp:2284]UE4Editor.exe!GuardedMain() (0x00007ff7c478267c) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\launch.cpp:142]UE4Editor.exe!GuardedMainWrapper() (0x00007ff7c47826ea) + 5 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]UE4Editor.exe!WinMain() (0x00007ff7c4792219) + 17 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\windows\launchwindows.cpp:202]UE4Editor.exe!__tmainCRTStartup() (0x00007ff7c4793159) + 21 bytes [f:\dd\vctools\crt\crtw32\dllstuff\crtexe.c:618]KERNEL32.DLL!UnknownFunction (0x00007ffcd66713d2) + 0 bytes [UnknownFile:0]ntdll.dll!UnknownFunction (0x00007ffcd9005444) + 0 bytes [UnknownFile:0]ntdll.dll!UnknownFunction (0x00007ffcd9005444) + 0 bytes [UnknownFile:0]