Unreal Engine Issues
Unreal Engine Issues
Reimporting of skeletal mesh results in a scrambled skeletal mesh
UE - Editor - Content Pipeline - Import and Export - Oct 17, 2025When we reimport our skeletal meshes with updated FBXs, the resulting skeletal mesh is scrambled up. See Scrambled.jpg attached. This does not affect every single reimport but happens randomly. W ...
Properties missing from Japanese UI
UE - Editor - UI Systems - Localization - Oct 20, 2015Some properties go missing when the Editor is switched to Japanese mode. Specifically, missing under Collison: -Simulation Generates Hit Events -Phys Material Override -Use CCD (See attached screens ...
Compile button disappears and Hot Reload stops working after failing to Hot Reload in some cases
UE - Foundation - Core - Jun 2, 2016When failing to hot reload in some cases, the compile button in the editor will disappear and Hot Reloads will stop occurring. This tends to happen randomly in other scenarios but the method above i ...
Adding an Actor Component that is set to Replicate to an Actor that is also set to Replicate disconnects the Client from the Server
UE - Networking - Feb 25, 2016Adding an Actor Component that is set to Replicate to an Actor that is also set to Replicate disconnects the Client from the Server. Note: this does not occur if the Actor Component is already added ...
Wildcard Array in Macro Causes Error Message to Appear
UE - Gameplay - Blueprint - Nov 9, 2015Creating a Macro with a Wildcard Array and then using that macro to accept an array as input and attempting to get the first element causes an error to appear in the output log. In the AnswerHub u ...
ZenGarden's game sequence doesn't play on device
UE - Platform - Mobile - Jul 18, 2017Zen Garden loads, then the screen fades in and out as if it's ready to begin play. But when the player taps the screen, the only thing that moves are some lensflares, and the level never transitions ...
[CrashReport] UE4Editor_UnrealEd!UnFbx::FFbxImporter::RecursiveBuildSkeleton()
UE - Editor - Content Pipeline - Import and Export - Jul 30, 2015This is a common crash affecting users. User DescriptionsJust import a Mesh of Fuse Source Context 624 void UnFbx::FFbxImporter::RecursiveBuildSkeleton(FbxNode* Link, TArray<FbxNode*>& Out ...
[CrashReport] UE4Editor_Sequencer!FSequencer::NotifyMovieSceneDataChanged()
UE - Anim - Sequencer - Jul 24, 2017This is a common crash affecting users in 4.16 and into the 4.17 Preview. User Descriptionscopying-pasting curves in Sequencer Source Context 979 void FSequencer::NotifyMovieSceneDataCha ...
Cloth Rendering - Optimizations cause a one frame geometry stretch when off screen cloth is teleported back on screen.
UE - Simulation - Physics - Character - Aug 26, 2021Render optimizations are causing the cloth render data to be updated one frame too late after an off screen cloth object has been teleported back on screen. The optimisation triggers itself after a ...
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 ...