Unreal Engine Issues
Unreal Engine Issues
Dataprep crash when creating a parameter from a datatable asset or any asset
UE - Editor - Open File Formats - Visual Dataprep - Nov 28, 2022Crash when launching Google VR project
UE - Platform - XR - Dec 12, 2016Attempting to launch a packaged Google VR game on android causes the game to crash. This has occurred on two other devices. This occurs in Main as well as Dev-VR. ...
Chaos Modular Vehicles Examples desynchronizes easily
UE - Runtime - Character - Feb 27, 2025Chaos Modular Vehicles Examples does not replicate properly and it's easy to reach a state of desynchronization where the state stops being replicated and position/rotation of cars mismatch. As an ...
Opening blueprint debugger crashes editor
UE - Gameplay - Blueprint - Apr 29, 2016The editor crashes upon attempting to open the blueprint debugger through the Window menu. Frequency: 2/2 Regression (Yes) issue (does not) occur in 4.11.2 ...
BoxOverlapActors fails to catch an Overlaped actor with a particular scale, from a particular position
UE - Runtime - Simulation - Sep 30, 2025BoxOverlapActors fails to overlap a scaled Floor actor with a particular scale, from a particular position and extent. The setup is really specific and described in Steps to Reproduce. The required ...
Sequencer Playlist - Triggering a playlist will crash every other editor on a Multi-user session
zComponent - Archive - Nov 24, 2022[Link Removed] ...
Editor becomes unresponsive/freezes when a Geometry Collection is destroyed by a Hit Event while simulating
UE - Runtime - Simulation - Apr 19, 2023This is a regression. Tested in //UE5/Release-5.1 CL23901901 When a geometry collection is destroyed by an On Hit event the editor becomes unresponsive and never recovers. No crash is generated. ...
Setting a Niagara Bool parameter during runtime causes ensure and the parameter to not be read properly
UE - Niagara - Jun 22, 2020Setting a Niagara Bool parameter during runtime causes ensure ...
FFrame::ReadProperty() occur crash if Blendspace Player node use Function to get BlendSpace Asset
UE - Runtime - Anim BP - May 25, 2022If user connect a function that returns a Blendspace Asset to a Blendspace Player that BlendSpaceAsset settings are exposed to a pin, it crashes in the package. It does not occur if user do not con ...
USD Export - crashes when sub level holds level instance
UE - Editor - Open File Formats - USD - Mar 27, 2026The engine is crashing when the user tries to export from a persistent level with a sub level that contains a level instance. ...