Failed check() when placing large numbers in to a From Seconds node and print them to the screen

UE - Gameplay - Blueprint - Apr 10, 2017

Crash when placing a number >= 922337181697 in to a From Seconds node and print them to the screen ...

[CrashReport] Fatal error: Couldn't find shader - FMaterial::GetShader()

UE - Graphics Features - Jul 20, 2017

This is a common crash affecting users in 4.16. User DescriptionsTried to edit the VivePreController Meshtried to edit SM_Skysphere after shaders had finished compiling. For no other reason than th ...

Placing 'Groom' asset into scene results in assertion failed

UE - Graphics Features - Feb 10, 2020

Dragging a groom asset into the level results in a crash. Link to Project: [Link Removed] Tested in:  4.25 CL#11223911 ...

[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 ...

There's no motion blur on streaming GeometryCache

UE - Editor - Content Pipeline - Datasmith - Sep 28, 2021

UDN customer mentioned: "there looks to be support for motion vectors as exported from DCC apps (for rare cases like fluid sim), but regular in-engine motion vector calculation for regular motion bl ...

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 ...