Unreal Engine Issues
Unreal Engine Issues
[CrashReport] UE4Editor_Engine!UGameViewportClient::Draw() [gameviewportclient.cpp:1170]
UE - Graphics Features - Apr 4, 2017Was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Access violation - code c0000005 (first/seco ...
Fracture Mode > "Remove-On-Break" setting: Cluster Crumbling causes flickering
UE - Simulation - Physics - Destruction - May 10, 2025Fracture Mode > "Remove-On-Break" setting: Cluster Crumbling causes flickering. Once the Remove-On-Break Cluster Crumbling effect is activated, there is a small delay between the disappearance of th ...
Crash when destroying a geometry collection actor
UE - Simulation - Physics - Aug 7, 2020When an actor with geometry collection is destroyed, the engine doesn't remove elements from array in the ChaosSolver So illegal references occurs. Removing element with following quick fix code ...
[CrashReport] UE4Editor_Engine!operator new<FBatchedLine,FDefaultAllocator>() [array.h:2812]
OLD - Anim - Jun 2, 2016Error message: Assertion failed: (Index >= 0) & (Index < ArrayNum) [Link Removed] [Line: 804] Array index out of bounds: 175 from an array of size 171 Source Context: 2797 2798 temp ...
If shot track ends short of the Master Sequence length, all actors return to default state
UE - Anim - Sequencer - Oct 14, 2016If shot track ends short of the Master Sequence length, all actors return to default state. This becomes an issue when you need the actors manipulated in Shot 1 to maintain their "end state" into s ...
[CrashReport] UE4Editor_Core!FName::GetDisplayNameEntry() [unrealnames.cpp:894]
UE - Foundation - Core - Aug 14, 2017This is a trending crash coming out of the 4.17.0 release. The same callstack also occurred during the 4.11 release, but otherwise hasn't had an occurrence until now. Users have not provided any de ...
Functions are called multiple times when given more than one reference
UE - Gameplay - Blueprint - May 2, 2017Functions are called multiple times when given more than one reference. The function is called a number of times equal to the number of references that it is given. ...
Crash Clicking on Enum in BT Decorators After the Enum Has Been Altered
UE - AI - Apr 5, 2017Clicking on a Behavior Tree decorator that references an Enum blackboard key will crash the editor if that Enum has been altered in the method described in the repro steps. If you set decorators to ...
Distant paint/scatter grass not rendered in PT exports
TM - Rendering - May 5, 2025Reported in SF [Link Removed] In TM 2025.1.1, in PT renders with large amounts of scattered or painted vegetation, distant grass may not appear in exported renders that would previously appear in t ...
Lens Flares are appearing in Other Player's Windows
UE - Graphics Features - Jul 28, 2015On a Windows 8.1 Platform with an Nvidia 960 card, Lens Flares when playing with 2 Player's (without a dedicated server) are appearing in the wrong window. So, Player 1 is looking at sun, Player 2 ...