Unreal Engine Issues
Unreal Engine Issues
Editor crashes when using servertravel during PIE mode.
UE - Editor - Workflow Systems - Apr 13, 2023The editor crashes when attempting Seamless Travel in PIE while the World Outliner is displayed and an actor is attached to another actor. ...
Crash in landscape editor with early Z pass
UE - LD & Modeling - Terrain - Landscape - Sep 12, 2016The landscape editor crashes on the "paint" tab if "Early Z pass" and "Movables in early Z" are enabled in the project settings and the landscape material is either masked or uses pixel depth offset ...
Editor crashes sporadically in OSX 10.12
UE - Platform - Apple - Oct 27, 2016The editor is crashing sporadically in OSX 10.12. I have just started hitting this crash ~ 3-4 times a day usually when opening a new tab of some sort in the Mac editor Looking at the various repo ...
Crash when seamlessly travelling from World Partition map
UE - Networking - May 9, 2024Based on the licensee's report, the crash seems to be occurring due to the WorldDataLayers actor, and setting this actor to never be dormant seems to resolve the issue. ...
Crash when enabling Nanite on a Mesh using an OptimusDeformer
UE - Anim - Rigging - Deformer - Jan 29, 2026When a skeletal mesh has a deformer present and then nanite support is enabled and applied. (the deformer in question was hsasset://DeformerGraph/Deformers/DG_LinearBlendSkin_Morph_Cloth_RecomputeNo ...
Opening widget blueprint causes editor to crash
UE - Editor - UI Systems - Oct 17, 2014Branch Build Label UE4-Main Promoted-CL- 2323471 DESCRIPTION: User crashes when opening a Widget blueprint. Unable to reproduce internally. *EDIT* Repro provided by User ...
[CrashReport] Mac crash - FCocoaRunLoopSource::Process
UE - Platform - Apple - Sep 14, 2017This is a somewhat common Mac crash that has occurred since at least 4.14 and into 4.17. Users have not provided any descriptions of their actions when the crash occurred. The callstack contains l ...
[CrashReport] Mac crash - FMetalRenderPass::AsyncCopyFromBufferToTexture()
UE - Graphics Features - Sep 14, 2017This is an infrequent Mac crash that has occurred for a few users since 4.16. Users have not provided any description of their action when the crash occurred. Callstack from Log[2017.08.26-18.54.51 ...
FGeometryCacheSceneProxy crashes engine when rendering through command prompt
UE - Editor - Content Pipeline - USD - Aug 23, 2021Came across this bug when verifying [Link Removed]. Seems there was a different crash reason. When testing, this bugs seems to happen only half the time while the other half it succeeds without issu ...
Crash saving a destructible mesh after creating it from static mesh
UE - Simulation - Physics - Destruction - Sep 29, 2016Crash occurs when saving a destructible mesh after creating it from a static mesh. ...