[CrashReport] UE4Editor_Engine!FUniformExpressionSet::CreateUniformBuffer() [materialuniformexpressions.cpp:354]

UE - Graphics Features - Nov 30, 2015

Error Message - Assertion failed: !Value || Value->IsValidLowLevel() [File[Image Removed]:\BuildFarm\buildmachine_++depot+UE4-Releases+4.10\Engine\Source\Runtime\Engine\Private\Materials\MaterialU ...

[CrashReport] UE4Editor-Engine!FDefaultMaterialInstance::GetMaterialWithFallback(ERHIFeatureLevel::Type,FMaterialRenderProxy const * &,FMaterial const * &) [material.cpp:292]

UE - Graphics Features - Jan 25, 2019

Comment in crash group:I switched color and crashed Generated from CrashReporter ...

[CrashReport] Fatal error: Cast of nullptr to Object failed

UE - Gameplay - Oct 5, 2017

This is a common and longstanding crash that has affected many users since at least 4.11. Source context not available (error in user code?). User DescriptionsI was duplicating a Set function in c ...

Setting spline in Niagara Override Parameters corrupts system after closing level

UE - Niagara - Mar 19, 2019

The USplineComponent appears to be corrupted. It will pass the null check, but operations done on the data cause the engine to crash. (See the linked UDN for more details) ...

[CrashReport] UE4Editor_Slate!FSlateApplication::GeneratePathToWidgetChecked() [slateapplication.cpp:2944]

UE - Editor - UI Systems - Slate - Sep 7, 2017

This is a slightly common crash in 4.17. In all cases, the crash appears to occur before a project is launched. Users have not provided any description of their actions when the crash occurs. Sou ...

Input Action Events are not included in the list of overrideable functions in the My Blueprints tab

UE - Gameplay - Blueprint - Feb 5, 2016

Input Action Events are not included in the list of overrideable functions in the My Blueprints tab. Reproduced in Actor Blueprints and Player Controller Blueprints. This is a regression: overridin ...

Allow demo functions from Execute Console Command.

UE - Networking - Aug 10, 2017

Continuation of [Link Removed] Previous ticket addressed the crash. However, it didn't fix the FScoedLevelCollectionContextSwitch to allow for demo commands to be run from Execute Console Commands. ...

Ensure starting PIE after editing character blueprint of a code based side scrollers

UE - Gameplay - Apr 6, 2016

After editing character blueprint of a code based side scroller project, starting PIE will show the camera detached from the character and exiting PIE causes the project to crash. NOTE: This appear ...

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

Tools - Aug 10, 2018

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

Blueprint interface function with the same name as a node gets fused

UE - Gameplay - Blueprint - Nov 29, 2017

Creating a Blueprint interface and changing its function name causes a crash when using the undo button to change the name back. ...