Unreal Engine Issues
Unreal Engine Issues
Crash when opening the static mesh editor
Tools - Jan 26, 2021We have been unable to get an internal repro so far, however we have had quite a few reports from the community reporting this issue. One user also stated this happens when migrating a project over ...
Packaged ThirdPerson template with "start in vr" enabled packaged and launched with "-nohmd" crashes
UE - Platform - XR - Mar 31, 2021The callstack is not XR-specific, it's just the engine trying to secure the audio device on startup, windows failing to return one, and the app not being able to continue safely. The crash does not ...
Crash upon opening packaged game when Event Driven Loader is disabled
UE - Foundation - Core - Apr 26, 2019Packaged games are unable to open when Event Driven Loader is disabled. The error message given is: Assertion failed: !Linker->GetSerializeContext() [File:D:\Build\++UE4\Sync\Engine\Source\Runtime\C ...
Ensure when setting Bone Axis to None in Spline IK
UE - Anim - Rigging - Dec 13, 2016An ensure occurs when setting Bone Axis to None on a Spline IK node. This doesn't occur with any of the other options for Bone Axis. ...
Replay System throws an Ensure during demoplay when calling it in a different Level
UE - Networking - Jul 10, 2019Replay System throws an Ensure during demoplay when calling it in a different Level. The error is thrown at Source\Runtime\Engine\Private\RepLayout.cpp]. It does not prevent the Replay from being pl ...
[CrashReport] UE4Editor_DetailCustomizations!FBodyInstanceCustomization::MarkAllBodiesDefaultCollision() [bodyinstancecustomization.cpp:829]
UE - Simulation - Physics - Aug 29, 2017This is an infrequent crash occurring in the 4.17 release. Users have not provided any descriptions of their actions when the crash occurred. Source Context 816 void FBodyInstanceCustomiza ...
Clear Coat looks incorrect in the Preview when Energy Conservation on Material is enabled for non Substrate rendering
UE - Rendering Architecture - Materials - Apr 11, 2024Enabling Energy Conservation on Material makes Clear Coat Material look weird in Preview. It looks fine in the Level Editor, but not in any "Preview" type viewport (Material Editor, Asset Thumbnails ...
Importing fbx onto an empty camera animation sequence can crash the editor
UE - Anim - Sequencer - Jan 27, 2022Importing an FBX into an empty camera animation sequence crashes the editor. The import seems to fail when trying to add a camera cut track. Exporting an fbx from a camera animation sequence, deleti ...
Animations imported with Skeletal Mesh are not marked as dirty and don't get saved
UE - Editor - Content Pipeline - Import and Export - Jun 21, 2016Animations imported with Skeletal Mesh are not marked as dirty and don't get saved. They disappear when the editor is restarted. This does not occur in 4.11 or 4.13. ...
ScrollBox: Add Inertial Scrolling (Touch)
UE - Editor - UI Systems - Oct 16, 2015Verify that inertial scrolling works in the ScrollBox and the ListView on touch devices. We have reports that it isn't working in 4.9, it may have been fixed since then, or not be as smooth as it c ...