UnkownRef Mips can cause TextureStreaming peaks during loading

UE - Graphics Features - Mar 27, 2023

UnkownRef Mips is meant to fix/workaround the problem where some textures are used for rendering but they don't have any component references them (such as texture used by PP effects) These UnkownR ...

"Literal Enum" BP node outputs wrong value when the input pin is connected

UE - Framework - Blueprint - May 17, 2024

This behavior was not observed up to UE 4.19, but it can be reproduced in all versions from 4.20 to 5.4. When a "Literal Enum" node is used inside a blueprint and an enumeration value is chosen fro ...

[CrashReport] Commandlet crash - UE4Editor_Engine!FAnimationUtils::CompressAnimSequenceExplicit() [animationutils.cpp:621]

OLD - Anim - Sep 7, 2017

This is an infrequent commandlet crash that has affected a number of users exclusively in 4.17.1 (possible regression from 4.17.0?). There are also two instances of older cases in 4.13 and 4.15, bu ...

[CrashReport] UE4Editor_UnrealEd!UTransBuffer::Cancel() [editortransaction.cpp:697]

Tools - Nov 17, 2016

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Assertion failed: (Index >= 0) & (Index < ArrayNum) [Link Removed] [Line: 833] ...

[CrashReporter] Crash in FClassExclusionData::IsExcluded() (infinite loop)

UE - Gameplay - Aug 10, 2017

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Note: This appears to be a Commandlet crash. Erro ...

[CrashReport] UE4Editor_Engine!TScopedPointer<FStaticMeshRenderData>::operator->() [scopedpointer.h:74]

UE - Graphics Features - Jun 6, 2016

Log showing the issue is caused by a reimport:https://udn.unrealengine.com/questions/331317/recurring-editor-crash.html This Jira was created from CrashReports submitted by the public due to the hi ...

Crash adding an AnimComposite to itself

OLD - Anim - Feb 24, 2017

Error message: Stack overflow - code c00000fd (first/second chance not available) Source Context: 74 void UAnimComposite::GetAnimationPose(FCompactPose& OutPose, FBlendedCurve& OutCurve, c ...

[CrashReport] UE4Editor_Engine!UMaterialInterface::GetBaseMaterial() [materialinterface.cpp:268]

UE - Simulation - Physics - Destruction - Nov 23, 2016

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Access violation - code c0000005 (first/second chance not available) Source C ...

Crash when using "Convert to Seeded" on a Cascade Module

UE - Graphics Features - May 2, 2016

Crash when using "Convert to Seeded" on a Particle System Cascade module This is a Regression as it does not occur in 4.10 Error message: Assertion failed: *Offset < (uint32)InstancePayloadSize [ ...

[CrashReport] UE4Editor_SlateCore!FReply::FReply() [reply.h:244]

UE - Graphics Features - Oct 27, 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: Access violation - code c0000005 ( ...