Unreal Engine Issues
Unreal Engine Issues
Using xcode-select to switch between Xcode 10 and Xcode 11 beta can cause Xcode 11 to be unrecognized by the editor
UE - Platform - Apple - Jul 16, 2019After switching from Xcode 11.0 Beta 3 (11M362v) to Xcode 10 (10A255) and then back to Xcode 11, the editor no longer recognized that Xcode was installed on my machine when trying to use Xcode 11 as ...
Crash when using Property Access node on Animation Blueprint (repro based on Lyra Starter Game animation layers)
UE - Anim - Runtime - Jan 24, 2024When using the Property Access node on Animation Blueprints to gain performance by better exploring parallel processing, it is possible that the underlying accessed property or any intermediate acce ...
[CrashReport] Assertion failed: Array index out of bounds - GetPhysicsTriMeshData() [modelcomponent.cpp:688]
UE - Simulation - Physics - Oct 30, 2017This is a semi-common crash that has occurred since at least 4.17.1. The callstack is nearly identical to [Link Removed], which was fixed in 4.18.0, however the error message and source context are ...
Printing the result of the 'Get Move Ignore Actors' node will crash the editor
UE - Gameplay - Blueprint - May 6, 2015Printing the result of the 'Get Move Ignore Actors' node will crash the editor. The Licensee found the issue while exploring a workaround for this JIRA:https://jira.ol.epicgames.net/browse/UE-14734 ...
Editor crashes when child blueprint uses billboard in construction script
UE - Gameplay - Blueprint - Jun 24, 2015The editor is crashing when a child blueprint uses a billboard in the construction script after hovering over 'apply instance changes to blueprint' from the details panel. ...
Crash Occurs When Generated Item Type Doesn't Match Return Type
UE - AI - Jan 7, 2016After creating the example generator that is displayed at the bottom of the documentation linked below, a crash will occur if the Generated Item Type is set to EnvQueryItemType_Actor (which is the d ...
Make Writable button does not work as intended when using Subversion
Tools - Oct 22, 2015When using the Make Writable button, it is intended to make the file editable without the prompt to check an asset out popping up on subsequent attempts to save the asset. This does not work for Sub ...
Crash due to memory after opening the World Partition window with large objects
UE - World Creation - Worldbuilding Tools - World Partition - Dec 8, 2022Regression: Tested in UE5/Release-5.0, this issue does not occur so regression is yes. Reproducing this issue has a mixed reproduction rate. I have gotten the editor to crash when scaling the cube ...
Inconsistent behavior with spawned actors when Play, Pause, and Stop are called in a Level Sequence Player
UE - Anim - Sequencer - Feb 15, 2017This is a report about three different issues that are tightly related to each other, so I decided to include them in a single report. The behavior of actors spawned by a Level Sequence Player is no ...
Closing a Geometry's Collection Dataflow Editor window when the ChaosVehiclePlugin is enabled is crashing the Unreal Editor when running it with the -stompmalloc flag
UE - Simulation - Physics - Jan 27, 2025As the title describes, closing a Geometry's Collection Dataflow Editor window when the ChaosVehiclePlugin is enabled is crashing the Unreal Editor when it is running with the -stompmalloc flag. The ...