Unreal Engine Issues

Crash using D3D raytracing with Support Ray Tracing unchecked static mesh

Static mesh that does not have Support Ray Tracing flag does not have a GeometryRHI object. So it causes a crash in FD3D12RayTracingScene. Excluding instances that do not have a GerometyRHI in FDef ...

[CrashReport] UE4Editor-D3D12RHI!D3D12RHI::VerifyD3D12Result(long,char const *,char const *,unsigned int,ID3D12Device *,FString)

Generated from CrashReporter ...

Editor crashing with density scaling is enabled on foliage being placed on a terrain.

Created a new level and added a terrain. Added grass foliage and enabled density scaling located in the grass foliage settings mode. After placing foliage on terrain, the editor crashes. This is ...

[CrashReport] UE4Editor_UnrealEd!UEditorBrushBuilder::EndBrush() [editorbrushbuilder.cpp:53]

No user comments in crash group 48 bool UEditorBrushBuilder::EndBrush( UWorld* InWorld, ABrush* InBrush ) 49 { 50 //!!validate 51 check( InWorld != nullptr ); ...

Assert in EditorEngine.cpp after HotReload

This occurred when I tried to repro an ensure and crash the resulted in [Link Removed]. In the crash group on the Crashreport website I noticed that KimK had the same callstack as this one. She wrot ...

Using CTRL+W to duplicate multiple components of an actor at once trips an assert

Attempting to duplicate multiple child components results in an assert being thrown.  ...

Playing a Haptic Soundwave will crash the editor

If pasting a section causes an overlap, don't allow it if the track doesn't allow overlapping sections

Binding lifetime sections aren't meant to overlap, but duplicating one, or pasting one can cause them to overlap, triggering an ensure. Duplication and copying and pasting are typical actions, so th ...

[CrashReport]UnrealEditor-Chaos!Chaos::FPhysicsSolverBase::GetExternalDataLock_External() [PhysicsSolverBase.h:677]

Generated from CrashReporter ...

Editor crash when calling SGridPanel::SetRowFill

Calling SGridPanel::SetRowFill on an actor's BeginPlay causes the editor to crash with the callstack provided The reporter mentioned SetRowFill uses if() statement where SetColumnFill uses while() ...