Unreal Engine Issues
Unreal Engine Issues
Media Player Crashes Engine When Attempting To Preview Video In Editor
Media Framework - Nov 18, 2016When 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, 2021Running 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, 2025Enabling 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, 2015Selecting 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, 2017When 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, 2015Attempting to play in editor will cause the editor to crash immediately. ...
Crash when incorrectly calling the parent constructor
UE - Foundation - Core - Mar 23, 2016Crash when incorrectly calling the parent constructor ...
Geometry Collection crashing in Vulkan
UE - Simulation - Physics - Dec 2, 2019After adding a Cube to the Viewport and creating a Geometry Collection the Editor will crashing in the Vulkan RHI. This crash does not happen in DirectX or if the Geometry Collection is made before ...
AbilitySystemComponent::NotifyAbilityEnded Can Crash due to Callbacks Invalidation Specs
UE - Gameplay - Gameplay Ability System - Oct 11, 2023Pasting from the UDN: Unsafe code in AbilitySystem can lead to crash when granting an ability inside OnAbilityEnded Hello. We just ran into a crash. After investigation, it seems to be caused by ...
Crash when copy and paste a Child Actor Component in blueprint.
UE - Gameplay - Blueprint - Nov 14, 2018A 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 ...