Performing seamless server travel while a Legacy Camera Shake with an Anim Sequence set is ongoing will cause a crash

UE - Anim - Sequencer - Mar 14, 2024

When we server travel with seamless travel enabled, and a legacy camera shake with an anim sequence set is currently ongoing, we will get a crash due to the UMovieSceneEntitySystemLinker failing a c ...

[Waveform Editor] - Changing the Edit time on a Sound Wave that has TotalSamples=0.0 can crash editor

UE - Audio - WaveformEditor Plugin - Nov 10, 2022

Rapidly changing the End Time on an asset that has TotalSamples=0.0 in the WaveFormEditor cases the editor to crash. Work around is to reimport the asset, which will restore that value. The crash hi ...

Sequencer- Crash on restoring state when a user has animated level visibility as well as skeletal animation on an actor in the invisible level

UE - Anim - Sequencer - Jul 16, 2024

When a level sequence animates level visibility as well as skeletal animation on an actor within that sub-level, restoring state will first unstream the level, which will unregister the skeletal mes ...

Crash Occurs When Deleting Virtual Bones that are Referenced in Post Process Anim Blueprint

OLD - Anim - Mar 22, 2018

When a post process anim Blueprint that uses a virtual bone is used in the Skeletal Mesh and the virtual bone is deleted from the skeleton, crash occurs -The Post Process Anim Blueprint is set in ...

Crash after renaming Blueprintable DataAsset

UE - Gameplay - Blueprint Editor - Nov 21, 2018

Renaming a blueprint instance of a DataAsset which has been used as the parent class of a DataAsset will cause a crash. ...

PN Tessellation and Grass Node Crash Engine

UE - LD & Modeling - Terrain - Landscape - May 14, 2015

Landscape Materials which use the new Grass Output and have Tessellation turned to PNTriangles will crash the engine Also reproduced in Main Promotable-CL-2550487 & Releases/4.8/Promoted-CL-255045 ...

Crash on inputting Scalar Value in Grass Material Node

UE - LD & Modeling - Terrain - Landscape - May 6, 2015

Crash occurs when inputting a Scalar Parameter into the New to 4,8 Grass Node. Also reproduced in Main Promotable-CL-2535351 ...

Crash when duplicating an asset before renaming it in the Content Browser

Tools - Sep 27, 2018

If you duplicate an asset in the Content Browser before the renaming box prompts input it will cause the Editor to crash. This was reported and tested in 4.20.3 (CL-4369336). This is reproducible ...

Crash upon launching packaged game with nativized blueprints that include Add Child Actor Component node with a class already set

UE - Gameplay - Blueprint - Jun 14, 2017

When using the Add Child Actor Component node with a class set on the node with Blueprint Nativization enabled, the packaged game crashes upon launch. A workaround for this is to leave the class bla ...

Crash adding component to landscape

UE - LD & Modeling - Terrain - Landscape - Feb 13, 2017

REGRESSION Yes, does not occur in 4.15. Editor crashes when the user adds a component to their landscape. ...