PLEASE HELP is this also a driver related error??
I was trying to import a mesh with multiple objects in it and is abt 1,06,555 poly faces.
Assertion failed: ChartB.Join[ Side ^ 1 ] == i [File:D:\UnrealEngine-4.5\Engine\Source\Developer\MeshUtilities\Private\LayoutUV.cpp] [Line: 374]
KERNELBASE.dll!UnknownFunction (0x00007ffc43aa606c) + 0 bytes [UnknownFile:0]
UE4Editor-Core.dll!FOutputDeviceWindowsError::Serialize() (0x00007ffc160c9ecd) + 0 bytes [d:\unrealengine-4.5\engine\source\runtime\core\private\windows\windowsplatformoutputdevices.cpp:95]
UE4Editor-Core.dll!FOutputDevice::Logf__VA() (0x00007ffc15f65b08) + 159 bytes [d:\unrealengine-4.5\engine\source\runtime\core\private\misc\outputdevice.cpp:145]
UE4Editor-Core.dll!FDebug::AssertFailed() (0x00007ffc15f488c2) + 62 bytes [d:\unrealengine-4.5\engine\source\runtime\core\private\misc\outputdevice.cpp:220]
UE4Editor-MeshUtilities.dll!FLayoutUV::FindCharts() (0x00007ffc0aca6777) + 0 bytes [d:\unrealengine-4.5\engine\source\developer\meshutilities\private\layoutuv.cpp:375]
UE4Editor-MeshUtilities.dll!FMeshUtilities::BuildStaticMesh() (0x00007ffc0ac9546a) + 0 bytes [d:\unrealengine-4.5\engine\source\developer\meshutilities\private\meshutilities.cpp:2293]
UE4Editor-Engine.dll!FStaticMeshRenderData::Cache() (0x00007ffbeb778353) + 0 bytes [d:\unrealengine-4.5\engine\source\runtime\engine\private\staticmesh.cpp:1143]
UE4Editor-Engine.dll!UStaticMesh::CacheDerivedData() (0x00007ffbeb77881c) + 0 bytes [d:\unrealengine-4.5\engine\source\runtime\engine\private\staticmesh.cpp:1643]
UE4Editor-Engine.dll!UStaticMesh::Build() (0x00007ffbeb772709) + 0 bytes [d:\unrealengine-4.5\engine\source\runtime\engine\private\staticmeshbuild.cpp:88]
UE4Editor-UnrealEd.dll!UnFbx::FFbxImporter::ImportStaticMeshAsSingle() (0x00007ffc14f23900) + 11 bytes [d:\unrealengine-4.5\engine\source\editor\unrealed\private\fbx\fbxstaticmeshimport.cpp:1209]
UE4Editor-UnrealEd.dll!UFbxFactory::FactoryCreateBinary() (0x00007ffc14ebb83b) + 71 bytes [d:\unrealengine-4.5\engine\source\editor\unrealed\private\fbx\fbxfactory.cpp:292]
UE4Editor-UnrealEd.dll!UFactory::StaticImportObject() (0x00007ffc14edb0e7) + 289 bytes [d:\unrealengine-4.5\engine\source\editor\unrealed\private\factories\factory.cpp:285]
UE4Editor-AssetTools.dll!FAssetTools::ImportAssets() (0x00007ffc0584704c) + 164 bytes [d:\unrealengine-4.5\engine\source\developer\assettools\private\assettools.cpp:728]
UE4Editor-AssetTools.dll!FAssetTools::ImportAssets() (0x00007ffc05845c2f) + 27 bytes [d:\unrealengine-4.5\engine\source\developer\assettools\private\assettools.cpp:384]
UE4Editor-ContentBrowser.dll!SContentBrowser::HandleImportClicked() (0x00007ffc008e61b1) + 29 bytes [d:\unrealengine-4.5\engine\source\editor\contentbrowser\private\scontentbrowser.cpp:628]
UE4Editor-ContentBrowser.dll!TBaseSPMethodDelegateInstance_RetVal_NoParams::Execute() (0x00007ffc008a2c8f) + 17 bytes [d:\unrealengine-4.5\engine\source\runtime\core\public\delegates\delegateinstancesimpl.inl:161]
UE4Editor-Slate.dll!TBaseDelegate_RetVal_NoParams::Execute() (0x00007ffc15ae5c0a) + 6 bytes [d:\unrealengine-4.5\engine\source\runtime\core\public\delegates\delegatesignatureimpl.inl:1058]
UE4Editor-Slate.dll!SButton::OnMouseButtonUp() (0x00007ffc15b02ac5) + 17 bytes [d:\unrealengine-4.5\engine\source\runtime\slate\private\widgets\input\sbutton.cpp:188]
UE4Editor-Slate.dll!FSlateApplication::ProcessMouseButtonUpEvent() (0x00007ffc15a5e67c) + 23 bytes [d:\unrealengine-4.5\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:3505]
UE4Editor-Slate.dll!FSlateApplication::OnMouseUp() (0x00007ffc15a4bd76) + 16 bytes [d:\unrealengine-4.5\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:3469]
UE4Editor-Core.dll!FWindowsApplication::ProcessDeferredMessage() (0x00007ffc16049c39) + 12 bytes [d:\unrealengine-4.5\engine\source\runtime\core\private\windows\windowsapplication.cpp:1346]
UE4Editor-Core.dll!FWindowsApplication::DeferMessage() (0x00007ffc160360db) + 74 bytes [d:\unrealengine-4.5\engine\source\runtime\core\private\windows\windowsapplication.cpp:1637]
UE4Editor-Core.dll!FWindowsApplication::ProcessMessage() (0x00007ffc1604adb9) + 41 bytes [d:\unrealengine-4.5\engine\source\runtime\core\private\windows\windowsapplication.cpp:737]
UE4Editor-Core.dll!FWindowsApplication::AppWndProc() (0x00007ffc16032a22) + 0 bytes [d:\unrealengine-4.5\engine\source\runtime\core\private\windows\windowsapplication.cpp:599]
USER32.dll!UnknownFunction (0x00007ffc43c42434) + 0 bytes [UnknownFile:0]
USER32.dll!UnknownFunction (0x00007ffc43c42297) + 0 bytes [UnknownFile:0]
UE4Editor-Core.dll!FWindowsPlatformMisc::PumpMessages() (0x00007ffc1604b276) + 48 bytes [d:\unrealengine-4.5\engine\source\runtime\core\private\windows\windowsplatformmisc.cpp:757]
UE4Editor.exe!FEngineLoop::Tick() (0x00007ff62332b082) + 8 bytes [d:\unrealengine-4.5\engine\source\runtime\launch\private\launchengineloop.cpp:2111]
UE4Editor.exe!GuardedMain() (0x00007ff623320c3e) + 0 bytes [d:\unrealengine-4.5\engine\source\runtime\launch\private\launch.cpp:133]
UE4Editor.exe!GuardedMainWrapper() (0x00007ff623320caa) + 5 bytes [d:\unrealengine-4.5\engine\source\runtime\launch\private\windows\launchwindows.cpp:125]
UE4Editor.exe!WinMain() (0x00007ff62332c859) + 17 bytes [d:\unrealengine-4.5\engine\source\runtime\launch\private\windows\launchwindows.cpp:201]
UE4Editor.exe!__tmainCRTStartup() (0x00007ff62332d789) + 21 bytes [f:\dd\vctools\crt\crtw32\dllstuff\crtexe.c:618]
KERNEL32.DLL!UnknownFunction (0x00007ffc43ff16ad) + 0 bytes [UnknownFile:0]
ntdll.dll!UnknownFunction (0x00007ffc463d4409) + 0 bytes [UnknownFile:0]
ntdll.dll!UnknownFunction (0x00007ffc463d4409) + 0 bytes [UnknownFile:0]