Adding parent constraint to control rig in shot crashes the editor

UE - Anim - Anim in Engine - Mar 10, 2023

Adding a constraint to a control rig in a subsequence will crash the editor. ...

Recompiling an ABP that another ABP has a Property Access dependency on without recompiling/linking the other causes a crash

UE - Anim - Runtime - Anim Blueprints - Oct 2, 2025

The crash comes from the pointers in FAnimSubsystem_PropertyAccess::Library::Indirections in the layer ABP from pointing to old/invalid functions and properties from the trash ABP_Manny, as they hav ...

Crash Occurs When Attempting to Resume Execution After Hitting a Breakpoint in a BT Task

UE - Gameplay - Oct 6, 2017

When a breakpoint is hit in a BT Task, if you attempt to use CTRL+P to search for and open the BT the task is being run in, try to resume execution, and then return to the original BT Task Blueprint ...

Point Cloud support for AR plugin crash

UE - Platform - XR - Nov 21, 2019

Enabling Point Cloud support for AR plugin causes engine crash. Also crashes with LIDAR plugin enabled. Confirmed in MAIN 4.25 @ CL 10333042 ...

Editor crash on loading a project after enabling the Tango plugin on Linux

UE - Platform - Linux - Aug 22, 2017

Enabling the Tango plugin on Linux causes the editor to crash on restart. Regression: No - Tango plugin not available in 4.16.3 (CL 3561208) ...

Crash occurs when unmuting a user while Voice Chat and Network Replays are both active

UE - Networking - Oct 29, 2015

User claims that crash occurs when a new user joins a session and the program attempts to unmute the existing players. This only occurs if Network Replays are active. Note: No reproduction has yet ...

Crash when copy and paste a Child Actor Component in blueprint.

UE - Gameplay - Blueprint - Nov 14, 2018

A crash occurs when copy and paste the ChildActorComponent, only if the template actor has a DefaultSubObject. There is no crash in the case of using Actor (eg. AActor) without a DefaultSubObject as ...

Selecting Reimport on a virtual texture results in crash

UE - Graphics Features - Nov 14, 2019

Reimporting a virtual texture results in a crash. Tested in: 4.24P2 CL#10091930 ,  4.25 CL#10183780 ...

Renaming actors between levels during PIE causes issues

UE - World Creation - Worldbuilding Tools - OFPA - Dec 4, 2023

When renaming actors during PIE the actor generates a new, non memory/temporary, actor package underneath the PIE world- this is then causing checks in EnumerateMemoryAssetsHelper (in AssetRegistry. ...

Crash in Material Editor when calling GetScreenSpaceData() from custom node

UE - Rendering Architecture - Materials - Jan 27, 2023