Unreal Engine Issues
Unreal Engine Issues
Nav Mesh Not Generating on Static Mesh Created From BSP
UE - AI - Oct 12, 2016Nav Mesh is not being generated on a static mesh that was converted from a BSP. Found in 4.13.1. Reproduced in 4.12.5 and 4.14 Main CL 3156733 Attached is a screenshot showing the difference betw ...
Negative Play rate in an Anim Sequence added to a Montage Causes timeline to collapse
OLD - Anim - Jan 14, 2015Adding animations with a negative play rate (playing backwards) or modifying existing animations in a montage to have a negative play rate causes the timeline in the montage to "squish" and is no lo ...
Launching game on Oculus Rift through SteamVR reverses hands
UE - Platform - XR - Sep 13, 2017When launching the VR Template for example on Oculus Rift but through SteamVR using -hmd=steamvr and disconnecting htc Vive, the player's hands are reversed. Important for titles that want to sell ...
SEGV_NOOP at 0x0
UE - Platform - Apple - Jul 7, 2015Crash Report: [Link Removed] *Crash Report attached User reports, "Launch[ing] Unreal Engine 4.8.1 from Epic Games Launcher, UE4 splash screen will come up and after 80% of initialization; UE4edit ...
Adding components in an Actor then undoing them leaves sub-components
UE - Gameplay - Aug 14, 2018Adding components in an Actor then undoing them after an action in the Viewport, leaves sub-components behind. This is a regression from 4.19.2 (CL-4033788). This issue was reported and tested in 4 ...
Alembic file doesn't play animations when imported as Skeletal Mesh
OLD - Anim - Aug 21, 2018When importing an Alembic file as a Skeletal, the animation and morph targets keys are there but when played in the Viewport or Sequencer there is no animation. This was reported and tested in 4.2 ...
Crash on UObject::ProcessEvent after 4.7 update
UE - Editor - UI Systems - Feb 27, 2015Crash Report [Link Removed] Bugg 38910 After updating project from 4.6.1 to 4.7, user experiences unexplained crash when playing in editor. *In addtion to the crash report, the user provides a lot ...
Editor Crashes after updating to 4.7.2
UE - Graphics Features - Mar 7, 2015Crash Reporter [Link Removed] User installed UE4, version 4.7.1 few days ago and I hadn't any problems with launching Unreal Editor. After upgraded the engine to 4.7.2 is getting crash every time ...
[CrashReport] UE4Editor_TextureFormatDXT!__delayLoadHelper2() [delayhlp.cpp:323]
UE - Graphics Features - Nov 3, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Unknown exception - code c06d007e (first/second chance not available) Source ...
Package build crashes when using Niagara system on a Skeletal mesh
UE - Niagara - May 29, 2019Packaging a project having a skeletal mesh with a niagara system attached to it in the scene causes the build to crash when running the executable. I have attached the log and dmp files relevant t ...