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 ...

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] 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) ...

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. ...

Assertion failed: GEditor->GetSelectedActorCount() == 1 in FLevelEditorActionCallbacks::Paste_CanExecute

Tools - May 3, 2017

This is a high frequency crash occurring for our users. It appears to be the same crash reported in [Link Removed], however that was fixed in 4.15.0, and the specific repro steps are verified to no ...

[CrashReport] UE4Editor_Foliage!AInstancedFoliageActor::GetAllInstancesFoliageType() [instancedfoliage.cpp:2244]

UE - World Creation - Worldbuilding Tools - Foliage - Dec 1, 2017

This is a common crash in the 4.18 release. User DescriptionsTried moving foliage to another sub-level. It wanted to move the foliage asset for some reason (I tried the same location - which was de ...