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Assertion failed: [File:D:/Build/++UE4/Sync/Engine/Source/Runtime/Windows/D3D11RHI/Private/D3D11Util.cpp] [Line: 249] D3DRHI->GetFactory()->CreateSwapChain(DXGIDevice, &SwapChainDesc, SwapChain.GetInitReference()) failed at D:/Build/++UE4/Sync/Engine/Source/Runtime/Windows/D3D11RHI/Private/Windows/WindowsD3D11Viewport.cpp:175 with error E_INVALIDARG UE4Editor-Core!FWindowsErrorOutputDevice::Serialize(wchar_t const *,ELogVerbosity::Type,FName const &) [WindowsErrorOutputDevice.cpp:79] UE4Editor-Core!FOutputDevice::LogfImpl(wchar_t const *,...) [OutputDevice.cpp:71] UE4Editor-Core!AssertFailedImplV [AssertionMacros.cpp:101] UE4Editor-Core!FDebug::AssertFailed(char const *,char const *,int,wchar_t const *,...) [AssertionMacros.cpp:455] UE4Editor-D3D11RHI!VerifyD3D11Result(long,char const *,char const *,unsigned int,ID3D11Device *) [D3D11Util.cpp:249] UE4Editor-D3D11RHI!FD3D11Viewport::FD3D11Viewport(FD3D11DynamicRHI *,HWND__ *,unsigned int,unsigned int,bool,EPixelFormat) [WindowsD3D11Viewport.cpp:179] UE4Editor-D3D11RHI!FD3D11DynamicRHI::RHICreateViewport(void *,unsigned int,unsigned int,bool,EPixelFormat) [D3D11Viewport.cpp:564] UE4Editor-SlateRHIRenderer!FSlateRHIRenderer::CreateViewport(TSharedRef<SWindow,0>) [SlateRHIRenderer.cpp:334] UE4Editor-SlateCore!SWindow::ShowWindow() [SWindow.cpp:1319] UE4Editor-MainFrame!FMainFrameHandler::ShowMainFrameWindow(TSharedRef<SWindow,0>,bool,bool) [MainFrameHandler.h:246] UE4Editor-MainFrame!FMainFrameModule::CreateDefaultMainFrame(bool,bool) [MainFrameModule.cpp:229] UE4Editor-UnrealEd!EditorInit(IEngineLoop &) [UnrealEdGlobals.cpp:124] UE4Editor!GuardedMain(wchar_t const *,HINSTANCE__ *,HINSTANCE__ *,int) [Launch.cpp:154] UE4Editor!GuardedMainWrapper(wchar_t const *,HINSTANCE__ *,HINSTANCE__ *,int) [LaunchWindows.cpp:147] UE4Editor!WinMain [LaunchWindows.cpp:279] UE4Editor!__scrt_common_main_seh [exe_common.inl:288] KERNEL32!acf0000 + 17bd4 ntdll!c920000 + 6ced1
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