Unreal Engine Issues
Unreal Engine Issues
Crash on PIE exit after dynamically enabling and disabling tick functions through the Level Script blueprint.
UE - Gameplay - Mar 23, 2018User reports hitting an assertion due to invalid FTickTaskManager state when game is attempting to unregister a tick function that was previously disabled dynamically. Failed assertion is in FTickT ...
Crash when using Ctrl+Z to undo a single digit change in the size of a widget
UE - Anim - Sequencer - Feb 21, 2017When trying to undo a single digit change the editor will crash. For example, if a user highlights and replaces a single number in the size of a widget and then attempts to undo, the editor will cra ...
[CrashReport] UE4Editor_CoreUObject!FWeakObjectPtr::Get() [weakobjectptr.cpp:81]
UE - Simulation - Physics - Nov 2, 2017This is a trending crash coming out of the 4.18 release. It may be a regression. User Descriptionscreated a physics asset and tried to open it... Source Context 66 if (!SerialNumbersMatc ...
Crash with a migrated BP actor using InstancedStaticMeshComponent
UE - Gameplay - Blueprint - Nov 28, 2016A licensee reported one of their map crashes on open when they tried to migrate from 4.12 to 4.14. There was no crash in 4.13. This seems to be caused by a certain BP actor that adds InstancedStat ...
Enabling Anisotropic BRDF causes crash upon Editor restart
UE - Graphics Features - Lumen - Mar 13, 2020Enabling the Anisotropic BRDF (beta) causes crash upon restarting the Editor. This was reported and tested in 4.25 Preview 2 (CL-12055273). This was reproduced in main 4.26 (CL-12161634). ...
Warp Utils plugin crashes on Editor restart
UE - Virtual Production - Mar 17, 2020Enabling the Warp Utils plugin and restarting the Editor causes it to crash. This is a regression from 4.24.3 (CL-11590370). This was reported and tested in 4.25 Preview 2 (CL-12055273) and reprodu ...
Particle System Warmup Time causing Crash with Light Module and High Quality Lights
UE - Graphics Features - Oct 7, 2016A crash occurs when Opening a level with a Particle System that contains a warmup time and a Light module with High Quality Lights checked. This crash seems very isolated and specific as it does no ...
Update Oculus Audio SDK
UE - Platform - XR - May 19, 2016The current version of the oculus audio SDK fails to initialize for some clients. We haven't been able to reproduce the problem internally but we're told from Oculus that updating the SDK will fix t ...
Sequencer Auto-key will incorrectly place a key for rotation if the object's rotation is not between -180 and 180
UE - Anim - Sequencer - Aug 17, 2016Sequencer prefers rotation to be specified between -180 and 180, while the details panels prefer between 0 and 360. When auto-key is on, sequencer will add a key that does this conversion despite th ...
Investigate intermittent crash in CacheOptimizeIndexBuffer on Editor startup on Linux
UE - Platform - Linux - Nov 23, 2015Building 4.10 from the GitHub release branch on Linux fails to open after install and instead crashes Community Suggested Fix: Switching triangle order optimization off with r.TriangleOrderOptimiza ...