This is a trending crash coming out of the 4.18 release, and may be a regression. Users have not provided any descriptions of their actions when the crash occurred.
Jiras for similar callstacks in the past have mostly been for end users on our games, such as [Link Removed].
Source Context
516 FSlateShaderResourceProxy* FSlateRHIResourceManager::GetShaderResource( const FSlateBrush& InBrush ) 517 { 518 SCOPE_CYCLE_COUNTER( STAT_SlateGetResourceTime ); 519 520 checkSlow( IsThreadSafeForSlateRendering() ); 521 522 UObject* ResourceObject = InBrush.GetResourceObject(); 523 FSlateShaderResourceProxy* Resource = nullptr; 524 ***** if(ResourceObject != nullptr && (ResourceObject->IsPendingKill() || ResourceObject->IsUnreachable() || ResourceObject->HasAnyFlags(RF_BeginDestroyed))) 525 { 526 UE_LOG(LogSlate, Warning, TEXT("Attempted to access resource for %s which is pending kill, unreachable or pending destroy"), *ResourceObject->GetName()); 527 } 528 else 529 { 530 if(!InBrush.IsDynamicallyLoaded() && !InBrush.HasUObject()) 531 { 532 Resource = ResourceMap.FindRef(InBrush.GetResourceName()); 533 } 534 else if(ResourceObject && ResourceObject->IsA<UMaterialInterface>()) 535 { 536 FSlateMaterialResource* MaterialResource = GetMaterialResource(ResourceObject, InBrush.ImageSize, nullptr, 0); 537 Resource = MaterialResource->SlateProxy; 538 } 539 else if(InBrush.IsDynamicallyLoaded() || (InBrush.HasUObject()))
repro steps currently unknown
Assertion failed: Index >= 0 [File:D:\Build\++UE4+Release-4.18+Compile\Sync\Engine\Source\Runtime\CoreUObject\Public\UObject/UObjectArray.h] [Line: 445] UE4Editor_SlateRHIRenderer!FSlateRHIResourceManager::GetShaderResource() [slaterhiresourcemanager.cpp:525] UE4Editor_SlateCore!FSlateDrawElement::MakeBox() [drawelements.cpp:157] UE4Editor_Slate!SImage::OnPaint() [simage.cpp:24] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:899] UE4Editor_SlateCore!SCompoundWidget::OnPaint() [scompoundwidget.cpp:35] UE4Editor_Slate!SScaleBox::OnPaint() [sscalebox.cpp:213] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:899] UE4Editor_SlateCore!SOverlay::OnPaint() [soverlay.cpp:97] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:899] UE4Editor_SlateCore!SCompoundWidget::OnPaint() [scompoundwidget.cpp:35] UE4Editor_Slate!SScaleBox::OnPaint() [sscalebox.cpp:213] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:899] UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [spanel.cpp:31] UE4Editor_SlateCore!SPanel::OnPaint() [spanel.cpp:12] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:899] UE4Editor_SlateCore!SCompoundWidget::OnPaint() [scompoundwidget.cpp:35] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:899] UE4Editor_SlateCore!SCompoundWidget::OnPaint() [scompoundwidget.cpp:35] UE4Editor_Slate!SBorder::OnPaint() [sborder.cpp:85] UE4Editor_SubstanceSource!<Unknown> UE4Editor_SlateCore!FPaintArgs::RecordHittestGeometry() [paintargs.cpp:82] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:961]
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-51919 in the post.
| 2 |
| Component | UE - Editor - UI Systems - Slate |
|---|---|
| Affects Versions | 4.18, 4.19 |
| Target Fix | 4.20 |
| Created | Nov 2, 2017 |
|---|---|
| Resolved | Apr 3, 2018 |
| Updated | Aug 21, 2018 |