Unreal Engine Issues
Unreal Engine Issues
Crash Occurs When Setting Child Actor Class in Child Blueprint
UE - Gameplay - Blueprint - May 4, 2017A crash occurs when setting the Child Actor Class of an inherited child actor component. This is not a regression. It occurs in 4.14.3 CL# 3249277, 4.15.2 CL# 3416026, and 4.16 Preview 2 CL# 34155 ...
[CrashReport] UE4Editor_ClothingSystemRuntime!FClothingSimulationNv::UpdateLod() [clothingsimulationnv.cpp:801]
UE - Simulation - Physics - Character - Apr 26, 2017This is an early trending crash coming out of the 4.16 Preview. This has also been experienced internally on an internal project ([Link Removed]) User descriptionsCreate new cloth asset > Apply ne ...
[CrashReport] UE4Editor_WorldBrowser!FMulticastDelegateBase<FWeakObjectPtr>::RemoveAll() [multicastdelegatebase.h:81]
UE - World Creation - Worldbuilding Tools - World Composition - Nov 2, 2017This is a trending crash coming out of 4.18 and may be a regression. Users have not provided any descriptions of their actions when the crash occurred. Source Context 72 /** 73 ...
Crash When Selecting Actor in the World Outliner That is Using ColorGradingMode
Tools - Jun 2, 2017When selecting an actor in the World Outliner that is using the ColorGradingMode specifier (ColorGradingMode = "saturation"), the editor crashes. This did not occur in 4.15.3. This is a regression ...
Crash after adding an AI Perception component to a parent and child character
UE - Gameplay - Sep 14, 2017Crash after adding an AI Perception component to a parent and child character. First they both must have had AI Perception components > Compiled and saved > Then both AI Perception components delete ...
Crash on packaged game with Struct containing Enum and Nativization on
UE - Gameplay - Blueprint - Jun 20, 2017There is a crash occurring with a packaged game that has a Struct containing an Enum inside of it, as well as having the nativization on, the issue does not occur if Nativization is turned off. The ...
Cook Warning "Saving FText which has been initialized from FString" when a user-defined BP structure contains a native C++ struct with an FText
UE - Framework - Blueprint - Sep 23, 2025Consider a C++ struct containing an FText. Now consider a used-defined BP structure containing that C++ struct. When cooking an asset that references such a user-defined BP structure, the following ...
[CrashReport] UE4Editor_Engine!FStaticMeshVertexBuffer::BindLightMapVertexBuffer() [staticmeshvertexbuffer.cpp:495]
UE - Graphics Features - Mar 20, 2018User comment from crash group:reimporting fbx 491 void FStaticMeshVertexBuffer::BindLightMapVertexBuffer(const FVertexFactory* VertexFactory, FStaticMeshDataType& Data, int LightMapCoordinate ...
Stationary Lights are causing shadowing errors with Movable Objects
UE - Graphics Features - Feb 11, 2015Stationary Lights are generating shadows with flickering black square and vanish shadows altogether on movable objects in the Preview of 4.7p6 and in the newest Release Branch of 4.7 (2439472). The ...
World Outliner selection does not update transform widget location during play
Tools - May 23, 2017World Outliner selection does not update transform widget location during play. This issue can be easily fixed simply by reselecting the object, this issue only affects the first time the object is ...