Unreal Engine Issues
Unreal Engine Issues
Ensures when copy/pasting linked anim bp nodes
UE - Gameplay - Blueprint - Aug 9, 2016REGRESSION: YesWORKING: 3039270BROKEN: 3081866 Ensures occur when copy and pasting nodes in the Anim Graph. ...
[CrashReport] UE4Editor-Engine!FMeshBatch::PreparePrimitiveUniformBuffer(FPrimitiveSceneProxy const *,ERHIFeatureLevel::Type) [SceneManagement.cpp:1099]
UE - Graphics Features - Dec 11, 2019Generated from CrashReporter ...
ComponentInstancingData lacks support for FMapProperty
UE - Gameplay - Blueprint - Sep 1, 2020Map and set container value overrides will be lost in a cooked build for any Blueprint component that's dynamically instanced in a cooked build if the owning Actor class enables the optimized compon ...
[CrashReport] UE4Editor_Engine!UAnimSequence::ExtractBoneTransform() [animsequence.cpp:887]
OLD - Anim - Jan 11, 2018No comments from user A couple additional crash groups: [Link Removed] [Link Removed] ...
~FStaticMesh() can crash with race condition
UE - Graphics Features - Mar 21, 2017UDN user reported frequent crashes in FStaticMesh::~FStaticMesh() on DrawListLinks[i]->Remove(false); Crash went away after adding critical sections to FStaticMesh::LinkDrawList(), FStaticMesh::Unl ...
Mutable references MetaHumans heads directly, but DNA Assets are private
UE - Anim - Mutable - Sep 18, 2025When we switched our project to 5.6.1 This error appeared on build. The compilation of the Mutable assets in the editor is not reporting any issue. ...
Crash editing Transition Logic after deleting State and Transition in State Machine
UE - Anim - Runtime - Anim Blueprints - Sep 8, 2020Attempting to click on a node in a Transition Logic that has been opened in a new tab will cause a crash when the correlating State node and it's transition have been deleted from the State Machine. ...
Crash when an empty Anim Composite is attached to a Mesh component of a BP actor in a Level Sequence
UE - Anim - Sequencer - Sep 27, 2024There is a crash that will occur when an empty Anim composite asset is being referenced in the Mesh component attached to a BP actor within a level sequence. Crash also occurs in Live 5.4.4 - not a ...
Creating a Blueprint Variable for InputActionKeyMappings, and then removing the default input parameter causes crash.
UE - Gameplay - Input - Nov 9, 2018Upon creation and compilation of a Blueprint Variable of type InputActionKeyMappings, when clicking the "X" to remove the default input key parameter causes the editor to crash. ...
Crash When Two PostProcess Volumes Are Selected Simultaneously
UE - Graphics Features - Feb 3, 2017Once you add two postprocess volumes (one to the persistent level and one to a sublevel) then add a blendable element to each, and then try to select both a crash will occur. ...