Unreal Engine Issues
Unreal Engine Issues
ExportMaterialProperty doesn't output any FColor data from noise expression node
UE - Graphics Features - Oct 12, 2016FMaterialUtilities::ExportMaterialProperty doesn't take into account any noise expression nodes in the material when outputting the FColor array. ...
FCPXML export is off by one frame
UE - Anim - Sequencer - Feb 10, 2021It looks like FCPXML is off by one frame for the MRQ export. For the old movie scene capture tool, it appears correct. ...
Instanced object in an array property of an actor component is invalidated and marked for garbage collection on undo
UE - Gameplay - Jun 4, 2024If an actor component contains a TArray of instanced objects, some of those object instances can get incorrectly invalidated and marked for garbage collection in certain situations, possibly resulti ...
Crash when moving map assets used as level instances
UE - World Creation - Worldbuilding Tools - Level Instances - Mar 10, 2025Crash on Importing specific Animation Only FBX
Tools - Nov 16, 2015When importing the attached FBX file with only Animations, the editor will crash. The Same asset will import without error in 4.9.2 Crash Reporter BUGG: [Link Removed] ...
Crash Occurs When Deleting Virtual Bones that are Referenced in Post Process Anim Blueprint
OLD - Anim - Mar 22, 2018When a post process anim Blueprint that uses a virtual bone is used in the Skeletal Mesh and the virtual bone is deleted from the skeleton, crash occurs -The Post Process Anim Blueprint is set in ...
Exporting and Importing Alembic File from Maya to Unreal Adds Extra Frame to Animation
UE - Editor - Content Pipeline - Import and Export - Jan 5, 2018When importing an Alembic file into Unreal Engine an extra frame is added automatically to the frame range in the import settings -abc file has been brought into Maya 2016 and exported again as an ...
[CrashReport] UE4Editor_UnrealEd!UEditorEngine::CheckForWorldGCLeaks()
UE - Foundation - Core - UObject - Jun 29, 2017This is a common crash occurring for users in 4.16. It is spread out among around 60 different CrashGroups in CrashReporter, because every case has a slightly different callstack. This appears to ...
Crash in persona editor when set postprocess animinstance using Linked Layer Anim to skeletal mesh
UE - Anim - Runtime - Anim Blueprints - Aug 29, 2023Crash when set PostProcessAnimBlueprint in persona editor. Related to [Link Removed], [Link Removed]. ...
Adding an LOD while in PIE or Simulate Cauases the Editor to Crash
UE - Niagara - Apr 29, 2019If you add an LOD while the editor is simulating or playing, the Editor Crashes. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5660361, 4.23 CL# 6063286 ...