Unreal Engine Issues
Unreal Engine Issues
[CrashReport] UE4Editor_OculusRift!FHeadMountedDisplay::GetCurrentHMDPose()
UE - Platform - XR - Jun 28, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Assertion failed: IsInGameThread() [Link Removed] [Line: 1047] Source Context ...
[CrashReport] UE4Editor_Engine!UWorld::SetActiveLevelCollection() [world.cpp:6248]
UE - Gameplay - Sep 14, 2017This is a common crash that has been affecting users since 4.16. It may be unrelated, but a non-crash bug mentioned the same stack in [Link Removed] User DescriptionsI was creating a level and dra ...
Vertex Color Information Lost on Editor Restart
Tools - Apr 19, 2018This is a regression. In 4.19 and Main (CL 4008322), vertex color information does not save properly and data is lost when editor is reopened. Creating project from scratch instead of copying over f ...
LevelSequenceActorSpawner::GetLevelStreaming() fails to compare sub level names when running in Pie
UE - Anim - Sequencer - Sep 26, 2019The problem is in the function with signature "ULevelStreaming* GetLevelStreaming(FString SafeLevelName, UWorld& World)" within LevelSequenceActorSpawner.cpp at line 30. The problem is with the Safe ...
Invalid GUIDs on new material instance parameters cause overrides to break on base param rename
UE - Rendering Architecture - Materials - Sep 3, 2025When a parameter value is assigned on a newly created material instance (constant or dynamic) using Set***ParameterValueInternal, the parameter’s ExpressionGUID is left invalid (0,0,0,0). Parameter ...
Ensure when closing PIE during Level Sequence playback with spawnables in a streamed level
UE - Anim - Sequencer - Nov 16, 2020When a spawnable is spawned in a streamed level, exiting PIE will cause an ensure, because the world is not valid on the actor. ...
Adding a Reroute node to a function's array output will cause the Function node to be missing the output
UE - Gameplay - Blueprint - Mar 26, 2015Adding a Reroute node to a function's array output will cause the Function node to be missing the output. This seems to be only effecting Arrays. Standard variables work fine. ...
Set Ignore Look Input stacks the resulting value each time it is called
UE - Gameplay - Jan 5, 2015Set Ignore Look Input stacks the resulting value each time it is called. If Set Ignore Look Input is called more than once with the same value, it will take as many calls with the opposite value to ...
Some textures stretched on Mobile device
UE - Platform - Mobile - Sep 8, 2015User's content is here: "P:\temp\UrbanJogging.zip" "If you start up the game or go into the content, the issue is on Track One, on the first bend on the right. Also be careful with the sprint bu ...
[CrashReport] UE4Editor_Engine!TArray<FVertexFactoryTypeDependency,FDefaultAllocator>::ResizeTo() [array.h:2372]
UE - Graphics Features - Jul 5, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Source Context:2357 FORCENOINLINE void ResizeShrink() 2358 { 2359 co ...