Unreal Engine Issues
Unreal Engine Issues
This user's project presents an Engine/Transient save error on certain Blueprints
UE - Gameplay - Blueprint - Apr 10, 2015This user's project presents an Engine/Transient save error on certain Blueprints. When saving the CharmState Blueprint, this message pops up: Can't save ../../../../../UserProjects/jeffvoight_ciic ...
Steam Overlay does not show in Win64 Shipping builds when run outside of Steam
UE - Networking - Nov 11, 2015Steam Overlay does not show in Win64 Shipping builds when run outside of Steam. The Steam client can be running, but unless the .exe is opened through Steam itself, the Overlay will not appear. Note ...
[CrashReport] UE4Editor_Engine!UTextureRenderTarget::GameThread_GetRenderTargetResource() [texturerendertarget.cpp:44]
UE - Editor - UI Systems - Jul 21, 2017This is a common crash that has been affecting users since at least 4.15. This may be the same issue as [Link Removed], which was closed due to inactivity User Descriptionsloading a level Source ...
UE5.6+ - Mutable - IDPrefix crash when combining Child Objects, Add to Mesh Component and Extend Mesh Section.
UE - Anim - Mutable - Jul 21, 2025So the issue seems to be a combination of Add To Mesh Component and Extend Mesh Section. I've tried this in Epic Launcher 5.6, 5.6 in-house modified engine as well as ue5-main 5.7 from git (editor ...
Import then cancel while file is read leads to potential crash
TM - Interoperability - Oct 6, 20251/ Import a file with mootools such as an fbx 2/ while the file is still read, cancel the import Result : may crash few times after (when theoretically the file has finished being read) - not repr ...
Rotated RetainerWidget does not account for rotation during hit testing
UE - Editor - UI Systems - Jan 21, 2026Hit testing for widgets contained within a RetainerWidget does not correctly account for rotation applied via render transforms . While the content renders with the expected rotation, hover and clic ...
Stationary/Movable Lights render based on distance from World Origin in Orthographic Camera View
UE - Graphics Features - May 20, 2016When using the Orthographic Camera view (such as that used with the Paper2D Template) any lights that are distant from the world origin will start to fade out as if they are being culled. The distan ...
Unexpected behavior from moving multiple widget components with render transform
UE - Editor - UI Systems - May 10, 2017Unexpected behavior occurs from moving multiple widget components with render transform applied to them. The individual components seem to change relative position or rotation when being clicked and ...
[CrashReport] UE4Editor_GraphEditor!SGraphPin::GetTooltipText() [sgraphpin.cpp:1100]
UE - Editor - UI Systems - Slate - Sep 7, 2017This is a common crash that has affected over 60 users since at least 4.16 User DescriptionsDeleted a SET variable Source Context 1091 FText SGraphPin::GetTooltipText() const 1092 { ...
Possession is not replicated properly to some clients
UE - Networking - Nov 8, 2018A user has reported an issue where Possession replication or Character Movement replication, unsure of which, is not working properly for some clients. It seems to work fine for the first client but ...