[CrashReport] UE4Editor_UMG!UPanelWidget::GetChildIndex() [panelwidget.cpp:52]

UE - Editor - UI Systems - Nov 10, 2017

This is a trending crash coming out of the 4.18 release. User DescriptionsI did click on compile on a widget an UE4 crash Source Context 46 int32 UPanelWidget::GetChildIndex(UWidget* Conten ...

Creating FTickableObjectBase inherited class in async thread may cause pure virtual function call

UE - Framework - May 22, 2025

Classes that inherit from FTickableObjectBase are added to the tickable queue by the QueueTickableObjectForAdd function during their construction (see FTickableGameObject::FTickableGameObject). At t ...

[CrashReport] D3D device lost. (Error: 0x887A0007 - 'RESET')

UE - Graphics Features - Dec 1, 2017

This is a common 4.18 crash that occurs before projects load. All cases experience the "RESET" error. Possibly just driver issues? Source Context 188 // Workaround for the fact that i ...

[CrashReport] UE4Editor_Engine!SetDescendantIsEditorOnly() [scenecomponent.cpp:381]

UE - Gameplay - Dec 1, 2017

This is a common 4.18 crash. Users have not provided any description of their actions when the crash occurred. Source Context 376 int32 NumDescendantsChanged = 0; 377 // recursiv ...

Cloth environment collisions with APEX clothing is not thread safe.

UE - Simulation - Physics - Character - Jan 17, 2017

This looks like a thread safety bug that's been in the clothing system for a very long time. Essentially a skeletal mesh component does a transform update and attempts to update the collisions of a ...

[CrashReport] UE4Editor_Engine!UEdGraphPin::BreakAllPinLinks() [edgraphpin.cpp:423]

UE - Gameplay - Blueprint Editor - Oct 10, 2017

This is a trending crash coming out of the 4.18 previews. Users have not provided any descriptions of their actions when the crash occurred. Source Context 420 void UEdGraphPin::BreakAllP ...

[CrashReport] ULevel::GetWorldSettings - UStaticMeshThumbnailRenderer::Draw

Tools - Oct 30, 2017

This is a common crash that has occurred since at least 4.14. The callstack is nearly identical to [Link Removed], which appears to be fixed in 4.18; and [Link Removed], which has not. The differen ...

"Invalid resource entry creating uniform buffer" when running Vulkan on Mobile

UE - Platform - Mobile - Apr 30, 2019

Android projects in 4.22.1 crash on launch with Vulkan enabled. Did NOT reproduce in 4.23 MAIN at CL 6156332 4.22.1 release CL is the same as a related fix for this ( [Link Removed] )  ...

AttachRootComponentToActor being used over a network can cause an Ensure (previously an Assertion) to be triggered.

UE - Gameplay - Jan 11, 2016

This is a continuation of [Link Removed]. The previous ticket changed an Assertion to an Ensure in order to stop a crash from occurring, and stated that a more complete fix would be coming in 4.10. ...

[CrashReport] FMaterialEditor::NotifyPostChange()

UE - Rendering Architecture - Materials - Aug 29, 2017

This is a trending crash in the 4.17 release. Update: also trending in the 4.18 release User DescriptionsImporting new charactertogled lighting modes on shadersChanging attriubtes on a materialWa ...