Editor crashes when attempting to reimport multiple Data Table assets that do not have an associated data source file

Tools - Oct 19, 2018

Attempting to Reimport multiple Data Tables that do not have associated data source files results in the Engine crashing. When a single Data Table is selected to be reimported, the Editor asks for t ...

Linked Anim Graph in Post Process Anim BP does NOT work after remove ControlRig Track

UE - Anim - Rigging - Control Rig - Oct 11, 2022

After remove control rig track from the skeletal mesh, Linked Anim Graph in Post Process Anim BP of the SK Mesh does NOT work. This issue can be fixed by the following code.// add #include "Anima ...

Setting the name of a State or Conduit node to an extremely long string causes a crash

OLD - Anim - Mar 22, 2018

Setting the name of a State or Conduit node to an extremely long string causes a crash This issue is not a regression. ...

[CrashReport] UE4Editor_CoreUObject!UObjectProperty::SerializeItem() [propertyobject.cpp:39]

UE - Gameplay - Blueprint - Apr 19, 2016

This Jira was 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 ( ...

[CrashReport] UE4Editor_UnrealEd!TArray<TScriptDelegate<FWeakObjectPtr>,FDefaultAllocator>::Find() [array.h:784]

UE - Gameplay - Aug 22, 2017

This is a regular crash occurring in 4.17. It may be a regression as there is no immediate evidence of it occurring in prior releases. Users have not provided any descriptions of their actions whe ...

[CrashReport] UE4Editor_OculusRift!FHeadMountedDisplay::GetCurrentHMDPose()

UE - Platform - XR - Jun 28, 2016

This 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, 2017

This 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, 2018

This 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 ...

Cannot move movable components of actors if using drag if PIE or Simulate

UE - Editor - Workflow Systems - Mar 3, 2021

If the actor is in sublevel and user play simulate or PIE, the actor can't be moved by drag gizmo. Even if under the same conditions, editing transform of detail panel work properly. So I guess that ...

In-editor hitch when deleting one actor in a world with many loaded actors

UE - CoreTech - Nov 17, 2023

When editing a level with many actors (1000+), deleting an actor results in a noticeable hitch: the editor becomes unresponsive for seconds. This hitch becomes longer the more actors are loaded and ...