Assert when adding geometry cache asset as a component to a blueprint actor

UE - Editor - Content Pipeline - Import and Export - Mar 24, 2021

When adding an asset directly to a blueprint, it is not in the streaming components, so the assertion fails when setting the geometry cache. ...

Editor Crashes When Using Set Replicates in the Construction Script

UE - Networking - Mar 1, 2016

When spawning an actor using the Spawn Actor From Class node that has a Set Replicates node in the construction script, the editor crashes upon attempting to run a dedicated server with 2 players. ...

Crash accessing USplineComponent from Niagara while it is being updated on game thread

UE - Niagara - Aug 13, 2020

I was working with a licensee on something unrelated, and ran into this niagara threading crash. It looks like UNiagaraDataInterfaceSpline::SampleSplinePositionByUnitDistance on one of the niagara h ...

Missing libomp140 DLL causing crashes in Hair Card Generator plugin

EA Motive has run into a crash when using the hair card generator plugin. A missing DLL is preventing them from creating hair cards according to the initial investigation from their engineers. More ...

Duplicating a map crashes the editor (Blueprint compile crash)

UE - Gameplay - Blueprint - Jan 5, 2015

EDIT: Date: 1/21/2015 Adding the [Link Removed] Duplicating a map in the Content Browser crashes the editor. It does not matter if the map being duplicated is the currently open map or not. EDIT ...

MoviePipeline: HighRes Tiling feature crashes at high resolutions

UE - Anim - Sequencer - MRQ - Jan 4, 2023

If you run with -rdgimmediate -onethread you can get the callstack that indicates that MRQ is still attempting to allocate the full sized texture and not the individual tile size. ...

Crash in FObjectReplicator::StartReplicating when removing replicated uproperty and hot reloading with two players

UE - Networking - May 10, 2016

The editor crashes when the user removes the replicated uproperty from a variable and tries to hot reload while a PIE session with two players is still active. This issue was found while trying to ...

Crash can occur when calling GetSkinnedVertexPosition on a skeletal mesh with a slightly different bone hierarchy than the skeletal mesh whose skeleton it is using

OLD - Anim - Apr 12, 2017

MDW: In progress (Dev-AnimPhys CL 3392820) When calling GetSkinnedVertexPosition on a skeletal mesh that uses the same skeleton as a different skeletal mesh with a slightly different bone hierarchy ...

Editor crash when adding to Instanced Static Mesh Component is created/populated at runtime.

Tools - Sep 26, 2017

If NewObject is used to create an instanced static mesh component at runtime, populating the component with AddInstance causes the editor to crash. Regression: Yes - repro steps provided did not cr ...

UE4Editor is crashing after user builds lighting

UE - Graphics Features - Lumen - Jul 22, 2020

Issue reported by user that they are experiencing consistent crashes in UE4Editor have building lighting. ...