Unreal Engine Issues

[CrashReport] Mac crash - libobjc.A.dylib!objc_retain() [UnknownFile]

This is a longstanding but low frequency Mac crash. User DescriptionsChanging camera shake values and testing in a new editor window Callstack from Log[2017.11.09-19.23.22:392][ 63]LogMaterial: Mi ...

[CrashReport] UE4Editor_Slate!FSlateApplication::DrawWindowAndChildren() [slateapplication.cpp:1213]

This is a longstanding crash that has occurred since at least 4.13. User DescriptionsI cant package. Every time I try, I get a crash and an "Unknown Error"failed to switch between game modes and af ...

[CrashReport] VRFunhouse crash - UParticleLODLevel::PostLoad()

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

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 ...

[CrashReport] Assertion failed: NewWorld | UE4Editor_Engine!UEngine::LoadMap()

This is a common and longstanding crash that has occurred since at least 4.15. Originally this was being tracked under [Link Removed] due to sharing the same callstack, but that had specific repro ...

[CrashReport] Mac crash - UE4Editor-Slate.dylib!PrepassWindowAndChildren(TSharedRef<SWindow, (ESPMode)0>)

This Mac crash originally occurred in 4.15 around March 2017, then decreased in frequency during 4.16 and 4.17. It may be starting to trend again in 4.18. There is one record of this occurring in 4 ...

[CrashReport] UE4Editor_Engine!UModelComponent::CommitSurfaces() [modelcomponent.cpp:163]

This is a somewhat common crash that has existed since at least 4.14.. It appears related to an Undo operation on geometry. User DescriptionsUndoing a move of a boxbrush wall and staircaseundoing i ...

[CrashReport] UE4Editor_SequenceRecorder!<lambda_ffd596aba4580204f4fb2f5c21d9754c>::operator() [actorrecording.cpp:139]

This is a common and longstanding crash that has occurred since at least 4.14. User DescriptionsRecording sequencer cinematic on character panw. Using Vr static meshes. A sequencer object was alrea ...

[CrashReport] TOctree<TVolumeLightingSample<3>,FLightVolumeOctreeSemantics>::TConstElementBoxIterator<TInlineAllocator<99,FDefaultAllocator> >

This Jira is a continuation of [Link Removed]. This is the same callstack which users are submitting, however the other Jira eventually got specific repro steps which were verified fixed in 4.17.0. ...

[CrashReport] Fatal error: Cast of nullptr to Object failed

This is a common and longstanding crash that has affected many users since at least 4.11. Source context not available (error in user code?). User DescriptionsI was duplicating a Set function in c ...