Unreal Engine Issues
Unreal Engine Issues
Bug when trying to Ctrl+Z after Replace Actors
UE - Editor - Dec 22, 2023From the UDN case #00649142: My team noticed a bug where sometimes when using "Undo" (Ctrl+Z usually) the BP they are working on disappears in the level. We were able to find a 100% repro case when ...
MetaSounds isn't working with Modular Game Features - LogMetaSound: Error: Target interface is not registered
Audio-Gameplay-Engineering - Nov 22, 2022Reproduced 3/3 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. Errors:[2022.11.22-18.11.28:472][ 0]LogMetaSound: Error: Target interface is not regi ...
Divergent group barriers in Lumen
UE - Graphics Features - Lumen - Apr 23, 2025Intel reported GPU crashes on their hardware caused by divergent group barriers in ScreenProbeConvertToIrradianceCS:[numthreads(THREADGROUP_SIZE, THREADGROUP_SIZE, 1)] void ScreenProbeConvertToIrra ...
Editor crashes when setting return value pin to object variable in widget blueprint
UE - Gameplay - Blueprint - Apr 9, 2015Editor crashes when attempting to set an object variable to a return value within widget blueprints. Frequency: 2/2 Crashreporter: [Link Removed] ...
When use Sequence Camera Shake Pattern, Level Sequence occurs error
zComponent - Archive - Mar 28, 2022When I apply the Sequence Camera Shake Pattern to a Sequencer's camera, I get an error when playing it. ...
Creating an AnimStreamable asset immediately crashes the editor
UE - Runtime - Animation - Feb 6, 2024When creating an anim streamable we immediately fail a check in the compression code in FCompressibleAnimData::FetchData: checkf(AnimSequence, TEXT("Invalid animation sequence while trying to fetc ...
Subobject delimiter replacement in ResolveName can cause previously valid strings to exceed NAME_SIZE
UE - Core - Systems - Nov 8, 2021ResolveName will replace the subobject delimiter (colon) with two periods. This increases the length of the string, and can cause asserts due to the string exceeding NAME_SIZE even when the name was ...
Custom Blend Graph read only after copy/paste of State Nodes
OLD - Anim - Apr 30, 2015When copy/pasting a state network, if any transition has Custom Blend Logic, the Custom Blend Graph becomes read only in the pasted version. ...
Teleporting to the World Location of a Scene Component in a packaged game will crash the game
UE - Gameplay - Blueprint - Jun 1, 2015Teleporting to the World Location of a Scene Component in a packaged game will crash the game. Teleporting to the Actor Location does not cause this crash. Crash log attached. Nothing is showing up ...
Adding impulse to a Static Mesh Component that is not the root of an Actor Blueprint does not replicate movement to the Client
UE - Networking - May 19, 2015Adding impulse to a Static Mesh Component that is not the root of an Actor Blueprint does not replicate movement to the Client. Reproduced in 4.7.6, 4.8 Preview 3, and Main (//depot/UE4/Promotable- ...