Unreal Engine Issues
Unreal Engine Issues
Crash when opening a sequence with an additive control rig track
UE - Anim - Sequencer - Apr 27, 2020The editor crashes when opening a sequence with an additive control rig track ...
Crash when adding a camera to the world in VR Mode
UE - Editor - Workflow Systems - May 31, 2017Dragging a Cine Camera Actor into the world causes the editor to crash. I reproduced this with both Oculus and Vive, however had a more successful repro rate with Oculus. ...
GC Clustering broken for USoundWave assets (crash)
UE - Foundation - Core - Mar 29, 2017Assert crashes Editor in the GC system during packaging due to USoundWave assets not being configured for GC clustering. Disabling GC clustering in project settings is a workaround, but the fix is ...
App crashes on launch when packaged for Vulkan with Scalable 2D/3D
UE - Platform - Mobile - Nov 4, 2016No Vulkan SDK was installed Crashed on a Nexus 6P ...
Crash removing a split parameter pin that is linked
UE - Gameplay - Blueprint Editor - Jun 13, 2017Crash occurs if the user splits an Output Parameter on a function, then links one of the pins, and then removes the parameter entirely. I could not reproduce this in Main. ...
FHLSLMaterialTranslator::GetMaterialEnvironment can crash or not load UMaterialParameterCollections
UE - Rendering - Architecture - Materials - Apr 30, 2025In UE 5.5, the Editor may crash in FHLSLMaterialTranslator::GetMaterialEnvironment when loading materials with Material Parameter Collections, likely due to async loading. Calling ParameterCollectio ...
Crash Occurs in UAIPerceptionSystem::UnregisterSource When Exiting PIE
UE - AI - Feb 17, 2016User Description: The Perception System crashes when exiting PIE on UAIPerceptionSystem::UnregisterSource. It doesn't check for null sense classes which are there by design I suppose. I transition m ...
Running Lyra with a Startup Movie causes a crash
UE - AI Workflows - UI Systems - Slate - Jun 26, 2023Adding a startup movie to a Lyra Starter game project will cause a crash in a packaged build. Full callstack is attached ...
Crash in Network Prediction during PeriodicDamage GameplayEffects Test
UE - Networking - Jan 27, 2021Crash during Periodic Damage test for Gameplay Abilities system in the Network Prediction plugin, when both plugins are enabled. Related to a null GameInstance. ...
Crash processing is taking 3 minutes to complete
UE - Foundation - Core - May 26, 2015Jaroslaw S requested a Jira be put in for this issue, their logs are attached to the AnswerHub post: "Based on the logs, it looks like he is getting the callstack now. I noticed that one part of th ...