Unreal Engine Issues
Unreal Engine Issues
ACL Database Compressions fail to cook in multiprocess cooks.
UE - Runtime - Animation - Nov 1, 2024A licensee has reported that when using multiprocess cook on a project with ACLDatabase as their animation compression scheme, the project will assert on load. Assert from a sample project using th ...
Crash Occurs When Mesh is Reimported Multiple Times in the Mesh Editor
UE - World Creation - Worldbuilding Tools - Foliage - Jan 24, 2018Engine crashes when asset has been reimported multiple times through the mesh editor -Editor crashes in Main when reimporting -Editor crashes in 4.17 when changing the Import Transforms ...
Editor crash when adding to Instanced Static Mesh Component is created/populated at runtime.
Tools - Sep 26, 2017If NewObject is used to create an instanced static mesh component at runtime, populating the component with AddInstance causes the editor to crash. Regression: Yes - repro steps provided did not cr ...
"Primitives with unbuilt interactions" not clearing after lighting scene rebuild
UE - Rendering - Features - Oct 29, 2021Regression No, according to affect version 4.26 and 4.27 [2021.10.29-17.01.06:085][830]Primitives with unbuilt interactions: 6[2021.10.29-17.01.06:085][830] Primitive FoliageInstancedStaticMeshComp ...
World Partition Converter- Soft object pointers to actors kept in scripted sublevels are incorrectly remapped to the main world during in place conversion
UE - Engine Scaling - Streaming - World Partition - Jul 1, 2022From user:"We have ran into an issue with soft object pointer fixup/remapping with the World Partition converter. If you have a sublevel that contains a level script and an actor that is hard refer ...
Removing a parameter from a blueprint function in a library can cause actor classes calling it to lose their parent or instance data
UE - Gameplay - Blueprint - Oct 4, 2018Compile errors caused by an actor calling a function with something hooked up to a removed parameter can cause that actor to lose it's place in the hierarchy. Typically, the actor will be fixed once ...
Editor crashes when building a level containing landscape if Preview Rendering settings are set to Default High End Mobile.
UE - Graphics Features - Aug 31, 2017Editor crashes when building a level containing landscape if Preview Rendering settings are set to Default High End Mobile. This is a regression. This is working on 4.16 3-3561208 This is not wor ...
Crash when moving actor on viewport with HierarchicalInstancedStaticMeshComponent.
UE - Gameplay - Components - Aug 28, 2017Create ActorBP has StaticMesh is not assigned to HierarchicalInstancedStaticMeshComponent. Place this actor on the level, and bind the StaticMesh from the Detail tab and add the appropriate Instance ...
Create asset node causes crash when no factory variable is set
Tools - Jul 31, 2017When using the new node " Create Asset (Interface Call)" there is a crash that is occurring that could possibly be due to the fact that no factory node is being set. The crash also occurs with the o ...
Adding a Blueprint Interface (with function named "Test") to a Widget Blueprint with a variable named "Test" crashes the editor when compiling
UE - Gameplay - Blueprint Editor - Oct 5, 2017Giving the Blueprint Interface Function and the Widget Blueprint Variable the same name, then adding the Blueprint Interface to the Widget Blueprint, causes the editor to immediately crash when comp ...