This is an infrequent crash coming out of the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred.
Based on affected project names, this may be a VR issue
Source Context
39 void FSlateElementBatcher::AddElements(FSlateWindowElementList& WindowElementList)
40 {
41 SLATE_CYCLE_COUNTER_SCOPE(GSlateAddElements);
42 FPlatformMisc::BeginNamedEvent(FColor::Magenta, "Slate::AddElements");
43
44 SCOPE_CYCLE_COUNTER(STAT_SlateAddElements);
45
46 NumDrawnBatchesStat = NumDrawnBoxesStat = NumDrawnTextsStat = 0;
47
48 BatchData = &WindowElementList.GetBatchData();
49 DrawLayer = &WindowElementList.GetRootDrawLayer();
50
51 ***** FVector2D ViewportSize = WindowElementList.GetWindow()->GetViewportSize();
52
53 AddElements(WindowElementList.GetRootDrawLayer().DrawElements, ViewportSize);
repro steps currently unknown
Assertion failed: IsValid() [File:D:\Build\++UE4+Release-4.18+Compile\Sync\Engine\Source\Runtime\Core\Public\Templates/SharedPointer.h] [Line: 835] UE4Editor_SlateCore!FSlateElementBatcher::AddElements() [elementbatcher.cpp:52] UE4Editor_SlateRHIRenderer!FSlateRHIRenderer::DrawWindows_Private() [slaterhirenderer.cpp:975] UE4Editor_Slate!FSlateApplication::PrivateDrawWindows() [slateapplication.cpp:1494] UE4Editor_Slate!FSlateApplication::DrawWindows() [slateapplication.cpp:1190] UE4Editor_Slate!FSlateApplication::TickApplication() [slateapplication.cpp:1777] UE4Editor_Slate!FSlateApplication::Tick() [slateapplication.cpp:1595] UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:3378] UE4Editor!GuardedMain() [launch.cpp:166] UE4Editor!GuardedMainWrapper() [launchwindows.cpp:134] UE4Editor!WinMain() [launchwindows.cpp:210] UE4Editor!__scrt_common_main_seh() [exe_common.inl:253] kernel32!BaseThreadInitThunk() ntdll!RtlUserThreadStart()
How does TextureRenderTarget2D get TArray<uint8> type data?
Why does the REMOVE method of map container remove elements have memory leaks?
UMG RichText not appear image when packaged
How do I set a material as a post-processing material?
What is the cause of the packaging error falling back to 'GameUserSettings' in ue5?
What is the difference between Camera and CineCamera?
What controls of umg have mouse wheel events in UE4.27?
How to assign a value to a member of UMG's UMaterialInterface pointer type in C++?
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-52625 in the post.
| 1 |
| Component | UE - Editor - UI Systems - Slate |
|---|---|
| Affects Versions | 4.18 |
| Target Fix | 4.19 |
| Created | Nov 21, 2017 |
|---|---|
| Resolved | Nov 28, 2017 |
| Updated | Sep 16, 2019 |