Unreal Engine Issues
Unreal Engine Issues
Crash when recombining Value Pin after swapping Target Wild Card pin from a Vector2D to a Vector on a Set By-Ref Var node
UE - Framework - Blueprint - Jul 18, 2022This is not a regression. Tested in //UE4/Release-4.27 CL18319896 Crash when recombining Value Pin after swapping Target Wild Card pin from a Vector2D to a Vector on a Set By-Ref Var node. ...
Importing a New Substance Preset will crash the engine
UE - Foundation - Core - May 13, 2015With the Substance plugin installed and when you try to import new preset data into the Substance Graph Instance, the engine will crash ...
Assertion thrown while deleting a Curve from a Control Rig asset - DetailsViewWrapperObject.cpp: 231
UE - ACT Character - Control Rig - Apr 1, 2022Assertion thrown while deleting a Curve from a Control Rig asset. ...
Crash occurs when creating a New Level from the Levels window while it is pinned to the side bar
UE - World Creation - Worldbuilding Tools - May 2, 2022An assertion occurs when creating a New Level from the Levels window while it is pinned to the side bar. ...
Exiting PIE with dedicated server checked causes editor to crash on Linux
UE - Platform - Linux - Oct 25, 2016Checking the box for Dedicated Server in the Play dropdown menu causes the editor to crash when exiting PIE. This does not occur in 4.13 or 4.14 on Windows. ...
Crash after clicking the Build button on Linux
UE - Platform - Linux - Sep 17, 2019This crash is a regression from 4.22.3 (CL-7053642). If lighting is built by selecting "Build Lighting Only" the Editor will not crash. This does not reproduce on Windows with -vulkan. This was rep ...
Following the 'Working with Modular Characters - Skeletal Mesh Merge Example' results compilation errors
zComponent - Archive - Feb 10, 2022This is a Regression. Tested in: //UE5/Release-5.0 CL 18747223 GitHub //UE4/Release-4.27 CL 18319896 Binary The example can't be completed in UE5 as expected presumably because of a change within ...
Assertion trying to open packaged project on Linux: Default__MaterialInterface was listed as a fixed load order but was already processed
UE - Foundation - Core - Feb 20, 2017This might be related to [Link Removed]. ...
iOS package with Metal Desktop Renderer enabled crashes on iPhone
UE - Rendering - RHI - Oct 11, 2024iOS package with Metal Desktop Renderer enabled crashes on iPhoneThis issue does not occur if Metal Desktop Renderer is disabled ...
ResavePackages commandlet (buildlighting) fails/asserts on reflection captures in non-visible sub-levels
UE - Rendering - Features - May 13, 2025When building reflection captures through the ResavePackages commandlet, it frequently triggers an ensure inside of ReflectionEnvironmentCapture.cpp. If distributed shader builds start causing prob ...