Unreal Engine Issues
Unreal Engine Issues
[CrashReport] Ensure - UE4Editor_Renderer!FPlanarReflectionParameters::SetParameters() [planarreflectionrendering.cpp:704]
UE - Graphics Features - Apr 4, 2018No user comments in crash group. Similar callstack in [Link Removed] but that is a crash and this is an ensure. 701 if (ReflectionSceneProxy && ReflectionSceneProxy->RenderTarget) 702 ...
Fracture Mode > "Remove-On-Break" setting: Cluster Crumbling causes flickering
UE - Simulation - Physics - Destruction - May 10, 2025Fracture Mode > "Remove-On-Break" setting: Cluster Crumbling causes flickering. Once the Remove-On-Break Cluster Crumbling effect is activated, there is a small delay between the disappearance of th ...
Thirdperson Character not Replicating correctly after being attached to an Actor
UE - Networking - Dec 20, 2017Problem description: When the Third Person Character gets attached to any other Actor (AttachToActor, Rule: Keep World), from the view of other clients the character (capsule, skeletal mesh) is out ...
Skeletal Meshes with imported LODs will use the highest LOD when generating Nanite, rather than LOD0
UE - Graphics Features - Nanite - Jan 14, 2025In the SkeletalMeshBuilder, Nanite is generated when enabled regardless of the LOD being requested. Since the Nanite enablement parameter is set on all LODs in USkeletalMesh::BuildLODModel and LODs ...
Mutable RemoveMesh node with data from DataTable
UE - Anim - Mutable - Jul 28, 2025Hi, We are trying to use Mutable plugin to avoid clipping using the RemoveMeshNode with data from DataTables. However we are having trouble with the most basic example of our idea. We have a Data ...
UClass::SparseClassDataStruct null at editor-time for child blueprints until compile
UE - Framework - Blueprint - May 29, 2024Child blueprints of a blueprint of a native actor class with sparse data can have an incorrectly null SparseClassDataStruct value, and thus fail to initialzie their SparseClassData. This affects edi ...
World Partition - Deleted actors can become unloaded prior to saving
UE - World Creation - Worldbuilding Tools - World Partition - Apr 11, 2025In world partition levels, deleted actors can become unexpectedly unloaded prior to saving, causing loss of work. Specifically, this issue occurs after the undo history has been cleared (either manu ...
Breakpoint on SetText node in WBP PreConstruct triggers editor hang on save
UE - Gameplay - Blueprint - Apr 17, 2024A user reported that when calling SetText on a text widget in a widget blueprint's PreConstruct causes an editor hang when you put a breakpoint on SetText and attempt to save the asset. The issue i ...
Compiling blueprint with anim bp crashes editor in MathExpr exec
UE - Gameplay - Blueprint - Jan 30, 2016Compiling a player character blueprint that is tied to an anim bp crashes the editor. Frequency: 2/2 Crashreporter: N/A ...
Pressing "+" element in landscape grass type asset crashes editor
UE - LD & Modeling - Terrain - Landscape - Jul 31, 2015Creating a landscape grass type and then pressing the + to add an element crashes the editor. Frequency: 2/2 Crashreporter: not currently available ...