Unreal Engine Issues
Unreal Engine Issues
[MRQ] Simulating in editor during runtime rendering causes an assertion to fail after rendering is done
UE - Graphics Features - Apr 19, 2022Simulating in editor during runtime rendering causes an assertion to fail after rendering is done. Repro Rate: 4/4 Tested this in //UE4/Release-4.27 @ CL#18319896 and the issue did not occur there ...
Streaming Nodes and Runtime LiDAR point clouds causes Engine to Crash
UE - Editor - Content Pipeline - Datasmith - May 16, 2022Frequent runtime operations on Lidar Point Cloud Octree cause Access Violation ExceptionEdit The Exception occurs while checking bInUse value of QueuedNode, which suggests that this QueuedNod ...
Changing transform of simulated component during physics freezes motion
UE - Simulation - Physics - Oct 13, 2016If something is executed before a SetActorRotation node on Tick inside of a SceneComponent class BP and then added to an Actor class BP, the physics will lag User Description: When using set rotat ...
NotifyControllerChanged not always called on client
UE - Gameplay - Apr 20, 2022See linked UDN for more information. ...
[CrashReport] UE4Editor_Engine!CropRawTrack() [animsequence.cpp:1798]
OLD - Anim - Dec 14, 2018Comment from user in crash groupTried to delete frames in an animation ...
AutoCreateRefTerm does not provide a way to specify that a TArray property within a struct should have a default value created for it if none is provided
UE - Gameplay - Feb 9, 2018The current implementation of AutoCreateRefTerm does not allow for a default value to be automatically created for a TArray contained within a struct that is passed into a function as a parameter. I ...
Crash when trying to launch ShooterGame with -game
UE - Online - Jul 11, 2017Might be related to the changes in //UE4/Release-4.17 at CL 3527005. I was also able to repro this via PIE-Standalone Game in the editor. When I repro'd this with PIE-Standalone Game the Standalone ...
Regression - Nested scene component subobjects are no longer being registered when the owning scene component is added to an existing Actor instance as an instanced component.
UE - Gameplay - Components - Nov 16, 2016This is a regression that was introduced with changes made to address issues with native vs. non-native component registration at Blueprint construction time ([Link Removed]). Prior to those change ...
Editor 'Build All Levels' discards Volumetrics Lightmaps in persistent level
UE - Graphics Features - May 14, 2025Building the level or lightmaps can clear the volumetric lightmap. In 5.5, this requires you to perform a full build, or a lighting only build with a BSP brush in the scene. In 5.6, all level build ...
Crash using Import Commandlet on FBX that gets "Bones are too small" error when imported manually
UE - Editor - Content Pipeline - Import and Export - Feb 23, 2017Crash using Import Commandlet on FBX that gets "Bones are too small" error when imported manually Error from manual import: Warning The bone size is too small to create Physics Asset 'ButterflyVa ...