Attached Project Crashes When Attempting to Open Struct

UE - Gameplay - Blueprint - Apr 4, 2016

The attached project crashes whenever one of the structs is being opened. This does not occur in 4.10.4, this is a regression. Found in 4.11 Binary, reproduced in Main CL 2930737. User informati ...

Importing FBX from blender causes crash

UE - Editor - Content Pipeline - Import and Export - Mar 8, 2015

Importing FBX model with Shape Keys crashes editor. This crashes in the SDK so we dont have control over it. Given that this is one of the first things we do on import it is unlikely we are corrup ...

Media Player Crashes Engine When Attempting To Preview Video In Editor

Media Framework - Nov 18, 2016

When attempting to play an mp4 video in the medial player the engine will crash. I've tested another video that didn't cause a crash. It is also in the movies folder in the project file attached. ...

Running a VR template packaged game with -nohmd results in an AudioDevice crash

UE - Platform - XR - Mar 18, 2021

Running a VR template project with -nohmd causes the packaged game to crash on launch. Running with just -vr doesn't result in a crash. Tested in //UE4/Release-4.25 @ CL 14469661 and did not encoun ...

Enabling Override Instance Data to a LevelSequencerActor that has a Shot Track can lead to crashing the engine

UE - Anim - Sequencer - Mar 17, 2025

Enabling Override Instance Data to a LevelSequencerActor that has a Shot Track can lead to an Actor being translated really far, or even a crash in the engine. The licensee has encountered a particu ...

Attempting to connect to Perforce source control causes a crash

Tools - Oct 16, 2015

Selecting Perforce from the list of source control options will cause the editor to crash. Crash Reporter [Link Removed] May also be the same as: [Link Removed] REGRESSION? Yes. Issue did not occ ...

Editor crash on BP recompile with custom FRuntimeFloatCurve variable

UE - Gameplay - Blueprint - Nov 13, 2017

When a class contains a FRuntimeFloatCurve variable, compiling a blueprint of the class causes the editor to crash once a key has been added to the curve and selected Regression: Yes, the provided ...

GitHub promoted branch crash on Mac when trying to PIE

UE - Platform - Apple - Mar 17, 2015

Attempting to play in editor will cause the editor to crash immediately. ...

Crash when incorrectly calling the parent constructor

UE - Foundation - Core - Mar 23, 2016

Crash when incorrectly calling the parent constructor ...

Editor crash after reverting a Blueprint asset in source control

UE - Framework - Blueprint Compiler - Feb 26, 2025

Added context from dev support ticket:The crash occurs because FDelegateProperty::Serialize accesses a dangling SignatureFunction pointer. Given that its derefencing dangling pointers the specifi ...