Unreal Engine Issues
Unreal Engine Issues
Add Code to Project fails to add a class to the project
UE - Foundation - Core - Mar 16, 2015Add Code to Project fails to add a class to the project. The project can't be reopened until the classes are manually removed and the project is recompiled. The following errors occur when using Add ...
Cull Distance Volumes do not effect Blueprints or Skeletal Mesh Actors
UE - Graphics Features - Jul 31, 2014CHANGELIST: 2181118 BRANCH: UE4 https://udn.unrealengine.com/questions/166371/cull-distance-volume-bug.html DESCRIPTION: Cull distance volumes don't seem to cull blueprints or meshes inside a bluep ...
Compiling a Blueprint that uses a Select node with two different variations of Actor will crash the Editor in 4.9
UE - Gameplay - Blueprint - Jul 17, 2015Compiling a Blueprint that uses a Select node with two different variations of Actor will crash the Editor in 4.9. In 4.8.2 binary, one input of a Select node will be disconnected on restarting the ...
AttachRootComponentToActor being used over a network can cause an Ensure (previously an Assertion) to be triggered.
UE - Gameplay - Jan 11, 2016This is a continuation of [Link Removed]. The previous ticket changed an Assertion to an Ensure in order to stop a crash from occurring, and stated that a more complete fix would be coming in 4.10. ...
[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 ...
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 ...