[CrashReport] UE4Editor_Engine!FMaterial::GetShader() [materialshared.cpp:1790]

UE - Graphics Features - Jun 12, 2018

No user comments in crash group 1785 int BreakPoint = 0; 1786 1787 // Assert with detailed information if the shader wasn't found for rendering. 1788 // This is usua ...

FTabManager::FindPotentiallyClosedTab Crash Due to Invalid Array Indexing

UE - Editor - Workflow Systems - May 25, 2023

As you can see from the above callstack it appears that calling RestoreArea can call FindPotentiallyClosedTab again higher in the stack, which can Remove() an entry from CollapsedDockAreas- this cau ...

Assertion occurs when undoing a Child State's unparenting from another Child State in AI State Trees, leading to a crash.

UE - AI - StateTree - Apr 15, 2022

Assertion occurs when undoing a Child State's unparenting from another Child State. Repro Rate: 5/5Assertion failed: false [File:D:\build\++UE5\Sync\Engine\Source\Runtime\Slate\Public\Widgets\Views ...

Niagara Uniform Ranged for integers maximum is exclusive but should be inclusive

UE - Niagara - Dec 17, 2019

Uniform Ranged for integers maximum is exclusive but should be inclusive or at least say otherwise ...

Editor crash when Use Dynamic Material Instance is set to "True" on landscape

UE - LD & Modeling - Terrain - Landscape - Mar 23, 2018

Setting "Use Dynamic Material Instance" to true in the landscape details will cause the editor to crash. Reproduced in 4.19.0 CL 3944462 and 4.20 Main. This feature is not available in 4.18.3. ...

[Audio][Niagara] - Audio Spectrum only reacts to Channel 0, despite setting to another channel

UE - Audio - Submixes - Jun 6, 2023

While doing some extra testing of the Submix Analyser fixes, I noticed there is a setting to set the channel of the submix to give the analyser. It always works for channel 0, but changing it to any ...

Doing a Rebuild in Visual Studio fails to compile

UE - Foundation - Cpp Tools - UnrealBuildTool - Apr 19, 2016

Attempting to use the Rebuild option in Visual Studio will fail to build the project. It instead produces a message that "Epic was unexpected". ...

Cannot continuously change Bone Name in SkeletalMesh Sampling Settings

UE - Anim - Jun 14, 2024

An access violation occurs in FNiagaraSkeletalMeshRegionBoneFilterDetails::HandleBoneNameComboBoxSelectionChanged() due to StringItem is nullptr. SkeletalMeshRegionCustomization.cpp void FNiagaraS ...

Users can create project with name of "Stack" which causes conflict with existing "Stack.h"

Tools - Sep 12, 2016

Users can create project with existing name of "Slack" which causes conflict with existing Slack.h. Call stack is log file. ...

Windowed Fullscreen causes Lighting Variations in Rendered Envrionment

UE - Graphics Features - Jan 18, 2016

When a scene is light with a single Stationary Directional Light and a Single Stationary Skylight and packaged to use Windowed Fullscreen, there is a difference in how the scene is rendered compared ...