Unreal Engine Issues
Unreal Engine Issues
[CrashReport] UE4Editor_CoreUObject!FLinkerPlaceholderObjectImpl::FindRawPlaceholderContainer() [linkerplaceholderbase.cpp:161]
UE - Gameplay - Blueprint - Sep 27, 2017This is currently among the top 10 crashes coming out of the 4.17.2 hotfix, affecting a few unique users, and this specific callstack does not appear to have occurred in 4.17.1. This may be a regres ...
Some Twinmotion library assets do not render in Path Tracer in files with a large number of assets
TM - Rendering - Apr 17, 2025Reported in SF [Link Removed] In scenes containing large numbers of certain Twinmotion assets, when activating Path Tracer, some of the assets will not render. The assets will render normally in St ...
Syncing changes in multi-user editing tool results in crash
UE - Virtual Production - Tools - Multi-user - Dec 18, 2019When using the multi-user editing tool inside a 4.24 project, persisting changes will sometimes result in a crash. Unable to reproduce the issue. However, the user has reported occasionally re ...
Adding a scene component to a child blueprint causes log warnings to appear in output log
UE - Gameplay - Blueprint - Sep 1, 2015If a scene component is added to a child blueprint and the parent blueprint is compiled, a log warning will appear that states: "LogBlueprint:Warning: USimpleConstructionScript::FixupRootNodeParen ...
Reimporting a skeletal mesh by dragging FBX to content browser crashes editor
Tools - Nov 12, 2015Reimporting a skeletal mesh by dragging FBX to content browser crashes the editor. I suspect something is wrong with the FBX. The user reported that the data is from Blender. FBX file attached for ...
Mac Crash when foliage painting in QAGame with TallGrass_01 asset
UE - LD & Modeling - Terrain - Landscape - Aug 3, 2017This crash seems to only be reproducible using the TallGrass_01 asset in QAGame. Having other foliage assets selected sometimes prevents the crash, but usually any combination of assets plus TallGra ...
Adding Text Render Component at Runtime Crashes Standalone
UE - Gameplay - Components - Nov 2, 2015Adding a text render component to a blueprint through C++ at runtime crashes the standalone player. It does not have any effect on PIE. Also, this only seems to occur when the blueprint in question ...
Custom Component Being Added to Wrong Target Blueprint
UE - Gameplay - Components - Nov 2, 2015When attempting to add a custom component to a blueprint at runtime using the Add Component function, if you give the component an exposed variable, it will ignore whatever target you specify and ad ...
No shadow cast after Static Mesh Editor material assignment
UE - Editor - Content Pipeline - Datasmith - Importer - Apr 21, 2020This is a Rhino file. Shadows are not cast on the Static Mesh after materials are assigned in the Static Mesh Editor. This was reported and tested in 4.24.3 (CL-11590370). This was reproduced in 4. ...
ARCore Non-AR Camera inherits AR Camera rotation
UE - Platform - XR - Jul 25, 2018When transitioning from AR map/pawn to Non-AR map/pawn the direction the phone is facing is applied to Non-AR pawn. Only occurring on Android/ARCore Also tested in Main CL #4229747 Tested with Pi ...