Unreal Engine Issues
Unreal Engine Issues
Crash on bake pose when skeleton contains a virtual bone
OLD - Anim - Jan 22, 2018When a skeleton contains a virtual bone, performing Bake Pose can crash the editor. ...
Python commandlet crashes when spawning actors in a level
UE - Editor - Workflow Systems - May 7, 2019Using the python commandlet to spawn actors within a Map and then saving it causes a crash in the commandline. Tested in 4.21.2 (CL - 4753647), 4.22.1 (CL - 6063286), 4.23 (CL - 6338849) ...
Crash when deleting function referenced by instanced object.
UE - Editor - UI Systems - UMG - Aug 26, 2022RayTracingGeometry.UpdateRHI(); crashes at checkf BuildParams.IsEmpty()
UE - Rendering Architecture - May 22, 2024When custom RayTracingGeometry is created, a crash is triggered by an assert at: Engine\Source\Runtime\Engine\Private\Rendering\RayTracingGeometryManager.cpp line 252 "Unexpected entries in BuildP ...
Crash when travelling during ability activation when URL contains "#"
UE - Framework - Jul 18, 2025This issue is related to [Link Removed], where the "?listen" option sent on the URL to clients could cause issues with RPCs being called locally during travel. The fix to remove the "?listen" option ...
User project crashes after changing struct
UE - Gameplay - Blueprint - Aug 10, 2017DataValidation System Implemented in EditorUtilityBlueprint Subsystem Crash
UE - Editor - Content Pipeline - Jul 24, 2023Implementing data validation via an Editor Utility Blueprint works fine in the editor, but when run via the commandlet, the blueprint won't load the editor utility subsystems (i.e. Static Mesh Edito ...
Crash when selecting "show" > "uncompressed animation" in Persona
OLD - Anim - Jul 1, 2016From this UDN: https://udn.unrealengine.com/questions/301289/crash-in-persona-debug-display.html Proposed solution: In UDebugSkelMeshComponent::GenSpaceBases() before PerformAnimationEvaluation() ...
Crash when modifying InstancedStaticMesh transform in Blueprint Editor
UE - World Creation - Worldbuilding Tools - Foliage - Oct 20, 2017InstancedStaticMesh component element mismatch between in-level and BP editor can cause crash when modifying transform in BP editor. This can happen when a user modified transform in-level actor's I ...
Animation insights crash with linked anim graphs
OLD - Anim - Aug 25, 2020From this UDN: https://udn.unrealengine.com/questions/601647/animation-insights-crash.html Looks like we need to cache the function index in FAnimNode_LinkedAnimGraph::DynamicLink and apply the sa ...