[CrashReport] UE4Editor_Engine!LoadSpecialMaterial() [unrealengine.cpp:1523]

UE - Graphics Features - Nov 10, 2017

This is a longstanding crash that has occurred for more than 200 users since at least 4.13. Based on user descriptions this appears to permanently corrupt a project. User DescriptionsI just turned ...

Editor hits Asserts when trying to use debug rendering such as ShowFlag.LODColoration

UE - Rendering Architecture - RHI - Sep 22, 2020

The assert in BasePassRendering.cpp:693 fires, crashing to desktop when using this console command in the editor, in PIE, and closes out the window when playing in Standalone. Does not crash when us ...

Compressed anim sequence data isn't updated immediately when a mesh is reimported

UE - Anim - Runtime - Mar 21, 2022

It seems that when reimporting a mesh that has added bones we aren't updating the compressed data within the anim sequences to account for the change in indicies of the virtual bones. If a user cal ...

[CrashReport] UE4Editor_BlueprintGraph!BlueprintActionFilterImpl::IsEventUnimplementable() [blueprintactionfilter.cpp:588]

UE - Gameplay - Blueprint - Jun 1, 2016

This crash has been reported through the 4.12 Previews and is continuing to occur in the 4.12.0 release. Additional information about this crash is not available at this time, however it may be the ...

[CrashReport] UE4Editor_Persona!FBoneDescription::SetScore() [bonemappinghelper.h:31]

OLD - Anim - Sep 14, 2017

This is a somewhat common crash that appears to occur only in 4.17.1 (possible regression?). Users have not provided any description of their actions when the crash occurs. Source Context 20 ...

UWorld::RemoveFromWorld does not check Pointer Reference for null before use

UE - Gameplay - Dec 12, 2017

The code in UWorld::RemoveFromWorld that removes Pawns that are about to be streamed out does not check to see if the pointer that it sets is null prior to using it. In cases where Pawns are rapidly ...

Editor cannot handle blueprint structure using an Actor Map variable

UE - Gameplay - Blueprint - Aug 28, 2017

If a blueprint structure contains a map variable with Actor Class Reference as the key, populating the map with a custom blueprint (ActorSet) and adding a variable of the structure to any other blue ...

[CrashReport] UE4Editor_Engine!FPhysScene::SyncComponentsToBodies_AssumesLocked() [physscene.cpp:1271]

UE - Simulation - Physics - Dec 1, 2017

This is a common crash in 4.18 and 4.18.1. The callstack shares similarities to [Link Removed], although that has been confirmed fixed in 4.18. Included in the same crashGroup are also a few Ensur ...

[CrashReport] UE4Editor_Foliage!FMulticastDelegateBase<FWeakObjectPtr>::CompactInvocationList() [multicastdelegatebase.h:159]

UE - World Creation - Worldbuilding Tools - Foliage - Aug 15, 2017

This is a trending crash coming out of the 4.17 release. Users have not provided any descriptions of their actions when the crash occurred. Source Context 150 /** 151 * Removes ...

[CrashReport] UE4Editor_Engine!FViewMatrices::FViewMatrices()

UE - Graphics Features - Aug 3, 2017

This is a trending crash in the 4.17 previews. Unfortunately users have not provided any descriptions of their actions when the crash occurred. Source Context 464 FViewMatrices::FViewMatric ...