[CrashReport] UE4Editor_CoreUObject!FWeakObjectPtr::operator=() [weakobjectptr.cpp:28]

UE - Anim - Sequencer - Nov 3, 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 ...

[CrashReport] UE4Editor_Engine!ULevel::GetWorldSettings() [level.cpp:1781]

Tools - Aug 22, 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: WorldSettings != ...

Frame-locked sequencer intermittently triggers notify state end event

UE - Runtime - Animation - Mar 10, 2026

Frame-locked Sequencers can occasionally produce frames with a zero delta time due to frame number truncation. When this occurs, if the animation cursor is within the range of a Notify State that is ...

Moving a mesh with complex-as-simple collision clears overlaps previously detected by moving collision components

UE - Runtime - Simulation - Jun 26, 2024

Consider a static mesh set to use complex-as-simple collision, and a convex collision component, starting to overlap each other. When only the Collision Component moves, its collision with the stat ...

[CrashReport] Commandlet crash in UE4Editor_CoreUObject!UPackage::Save

UE - Foundation - Core - May 2, 2016

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Assertion failed: Pair != nullptr [Link Removed] [Line: 520] Source Context:4 ...

[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 ...

[CrashReport] UE4Editor_CoreUObject!HandlePlaceholderScriptRef() [class.cpp:1416]

UE - Gameplay - Blueprint - Nov 10, 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 ...

[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) & ( ...

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 ...

When using a hierarchy of "FilterBar.json" Editor Config files, filters added in the Editor are saved in the Engine-level file, but filters removed in the Editor are not saved anywhere

UE - Editor - Verse Class Editor - Sep 13, 2023

The Editor Config system appears to support a hierarchy of JSON files (similarly to INI files) in three locations:Engine: "../../../Engine/Config/Editor"Project: "<PROJECT>/Config/Editor"User: "<APP ...