Unreal Engine Issues
Unreal Engine Issues
Assertion fails when a struct is opened with a BP class reference stored and with that struct as a variable in the BP class that's referenced.
UE - Gameplay - Blueprint - May 10, 2022Assertion fails when a struct is opened with a class reference stored and with the struct as a variable in the class that's referenced. A restart is required in order to see this occur. Repro Rate: ...
"stat llmassets" console command not recognised
UE - Core - Systems - Jun 16, 2023I am trying to use "stat llmassets" but it is not recognising the command. I have enabled LLM_ALLOW_ASSETS_TAGS and added -llmtagsets=assets to the commandline along with -llm, is there anything els ...
Datasmith floods network with UDP traffic in a lab environment
TM - Datasmith Exporter - Aug 28, 2023They've had some luck disabling UDP transport as mentioned in the following articles:https://docs.unrealengine.com/5.2/en-US/udp-messaging-settings-in-the-unreal-engine-project-settings/https://foru ...
[AI] Spatially loaded objects in a WP map that are unloaded do not contribute to the navmesh when Build Paths is run
UE - Runtime - Character - Jun 23, 2025Using Build Paths does not create a navmesh that also includes any Actors or Objects that are unloaded and spatially loaded. The navigation system appears to load the world within the navigable boun ...
[3ds max] Some geometry will display in all black in Path Tracer renders
UE - Editor - Content Pipeline - Datasmith - Exporters - Dec 12, 2025Reported in SF [Link Removed] Some geometry from 3ds Max will display as all black when viewed in Path Tracer rendering. This effect is visible in both UE and Twinmotion. This was tested with Data ...
Ragdoll Physics do not Function Properly on a Mirrored Skeletal Mesh
UE - Simulation - Physics - Dec 1, 2015Selecting the default character/skeletal mesh (or any skeletal mesh) in the viewport, right-clicking and transforming it so it mirrors on the X,Y, or Z axis will cause the physics to act erratically ...
Spring Controller seems inverted/counter-intuitive
OLD - Anim - Nov 16, 2015Two different users have pointed out that the spring controls seem inverted and/or counter intuitive: The first post: https://answers.unrealengine.com/questions/328098/spring-controller-seems-to- ...
Camera Orientation Breaks In PIE After Selecting Foliage Mode
UE - Gameplay - Dec 28, 2016When selecting different editing tools such as Foliage and then Switching back to the Place tool the next time you PIE will break the orientation of the camera. Here is a link of the User provided ...
Listen Server Without Microphone Will Drop Clients with Microphone if Voice is Enabled
UE - Networking - Mar 28, 2017Listen servers that do not have a microphone hooked up are dropping clients that do have microphones when the client attempts to transmit voice. The log contains the following errors: [2017.03.28- ...
[CrashReport] UE4Editor_UMG!UPanelWidget::GetChildIndex() [panelwidget.cpp:52]
UE - Editor - UI Systems - Nov 10, 2017This is a trending crash coming out of the 4.18 release. User DescriptionsI did click on compile on a widget an UE4 crash Source Context 46 int32 UPanelWidget::GetChildIndex(UWidget* Conten ...