[CrashReport] UE4Editor_Engine!FModelSceneProxy::HasSelectedSurfaces() [modelrender.cpp:538]

UE - LD & Modeling - Modeling Tools - BSP - Sep 21, 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: (Index >= 0) & ( ...

RootMotion Malfunctioning When Played in Lower Framerates

UE - Gameplay - Player Movement - May 2, 2016

Root Motion Animations are not functioning correctly during lower frame rates. For example, a character moving forward 2 meters at regular frame rate will move 10 meters at a lower frame rate. Regr ...

Force Delete of Referenced SpeedTree Instance causes Crash

UE - Graphics Features - Nov 10, 2016

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Assertion failed: IsValid() [Link Removed] [Line: 780] Source Context: 1873 ...

Sub-components with the same name are not displayed on the correct parents in the Blueprints editor

UE - Gameplay - Oct 12, 2018

Sub-components with the same name are not displayed on the correct parents in the Blueprints editor.  Upon creation of an Actor blueprint initially derived from a c++ base class (VRCharacter) which ...

Renaming a level by WorldPartitionRenameDuplicateBuilder fails if the level contains GroupActor with non-spatial actors

UE - World Creation - Worldbuilding Tools - World Partition - Oct 24, 2023

Referece to the source level should be fixed by FReplaceObjectRefsArchive, but it is not working because ArIsModifyingWeakAndStrongReferences is not set. It can be fixed by setting the flag.class FR ...

Crashes Caused by Deinitialization of Variables with Specific Names

UE - Gameplay - Components - Jun 14, 2018

I was able to repro the crash in 4.19. Unable to open sample project in 4.20 or 4.21. Per Licensee: While porting one of our classes from using UMaterialBillboardComponent to a hand rolled Billboar ...

UEdGraph pointer data is not correctly un-done and graph nodes are lost when declared as a UObject property

UE - Framework - Blueprint Editor - Aug 9, 2024

When an undone operation is done for a UObject property that has a UEdGraph*, the modified UEdGraph nodes are lost. This UObject needs to be created/spawned in an Editor Environment by another Obje ...

Failed Import for Spline Component Error Appears on Restarting Level

UE - Gameplay - Blueprint - Jul 5, 2016

When creating and declaring a Spline Component in code, placing an instance of a blueprint derived from that class in the level causes a failed import message to appear upon restarting the level. ...

[CrashReport] UE4Editor_ShaderCore!FVertexFactory::Set() [vertexfactory.cpp:180]

UE - Graphics Features - Jul 5, 2016

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Source Context: 165 return *VertexFactoryTypeIt; 166 } 167 } ...

[CrashReport] UE4Editor_Renderer!TStaticMeshDrawList<TBasePassDrawingPolicy<FUniformLightMapPolicy> >::GetUsedPrimitivesBasedOnMaterials() [staticmeshdrawlist.inl:868]

UE - Graphics Features - Feb 19, 2016

This Jira was entered due to a high number of occurrences in 4.11 Preview 5. Error message: Assertion failed: !Proxy->IsDeleted() [Link Removed] [Line: 867] Source Context: 853 { 854 ...