[CrashReport] Assertion failed: !IsLoading() in CollectGarbageInternal()

Tools - Jun 14, 2017

This is a common crash occurring for users in the 4.16 release. It is spread out across many different CrashGroups with slight variations in callstack. Users have not provided any descriptions whe ...

[CrashReport] UE4Editor_ClothingSystemRuntime!FClothingSimulationNv::GetBounds() [clothingsimulationnv.cpp:730]

UE - Simulation - Physics - Character - Jul 17, 2017

This is a common crash occurring for users in 4.16 and the 4.17 Preview. Additional information is not currently available. User Descriptionsjust shut down dont know why Source Context 807 ...

[5.4+] World Partition Landscape Spline Meshes Builder - Source landscape splines are not properly removed/hidden

UE - World Creation - Worldbuilding Tools - HLOD - May 30, 2025

LandscapeSplineActors and LandscapeSplineMeshesActors are not behaving as expected in 5.4 or 5.5. Testing in 5.4 the issue mostly seems to stem from issues with the Target Landscape -> Landscape Ac ...

[CrashReport] UE4Editor_ClothingSystemRuntimeInterface!UClothingSimulationFactory::CreateSimulation()

UE - Simulation - Physics - Character - Jun 27, 2017

This is a common crash in the 4.16 release. Users have not provided descriptions so additional information is not currently available. Source Context 28 // Any clothing simulation factory s ...

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

UE - Platform - Apple - Nov 10, 2017

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_Core!FText::IsEmpty() [text.cpp:230]

Tools - Apr 6, 2016

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Assertion failed: Index >= 0 [Link Removed] [Line: 401] Source Context: 215 ...

Editor Crashes When Reparenting a Trigger Sphere to a Trigger Capsule

UE - Simulation - Physics - Aug 15, 2016

Reparenting a blueprint derived from Trigger Sphere to Trigger Capsule will cause the editor to crash. This is a regression. This did not occur in 4.11.2. Source Context: 163 164 ...

[CrashReport] UE4Editor_Slate!SMultiBoxWidget::GetCustomizationVisibility() [multibox.cpp:931]

Tools - Jun 14, 2016

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Assertion failed: Result == FPrope ...

[CrashReport] Mac Metal crash - FSceneRenderer::RenderDistortion()

UE - Graphics Features - Aug 29, 2017

This is a somewhat common Mac crash occurring since 4.15 and into 4.17.1. Users have not provided any descriptions of their actions when the crash occurred. This specific callstack was previously ...