Crash reimporting an FBX with LODs and Morph Targets, but leaving "Import LODs" disabled

UE - Editor - Content Pipeline - Import and Export - Jan 4, 2017

Error message: Assertion failed: ImportedResource->LODModels.IsValidIndex(LODIndex) [Link Removed] [Line: 282] Source Context: 270 * Constructor. 271 * Converts a skeletal mesh to ...

The Command and Control keys are swapped for Input nodes on Mac

UE - Gameplay - Input - Nov 4, 2014

Mac only. The Command and Control keys are swapped for Input nodes. Pressing the Left Command key triggers Left Ctrl, pressing Left Control triggers Left Cmd, and pressing Right Command triggers R ...

Attempting to override timeline function in child blueprint crashes editor

UE - Gameplay - Blueprint - Sep 24, 2015

Attempting to override a timeline within a child blueprint causes the editor to crash. Frequency: 4/4 Crashreporter: [Link Removed] ...

Undo/Redo can cause the gizmo to desync from a leaf-selected component

UE - Editor - Workflow Systems - Oct 18, 2021

This is a regression from 4.27. This is happening because of the change to typed elements. UEditorEngine::PostUndo, when combined with the typed element changes causes the selection set to reorder ...

The Find Node Can Crash on Compile After a Blueprint Compile Error

UE - Gameplay - Nov 21, 2019

The "Find" node can cause a crash if the a map with a struct value changes type while connected, is disconnected and reconnected. Compilation fails and crashes the engine. Found in 4.23.1 CL#963142 ...

Editor crashes when attempting to reimport multiple Data Table assets that do not have an associated data source file

Tools - Oct 19, 2018

Attempting to Reimport multiple Data Tables that do not have associated data source files results in the Engine crashing. When a single Data Table is selected to be reimported, the Editor asks for t ...

Setting the name of a State or Conduit node to an extremely long string causes a crash

OLD - Anim - Mar 22, 2018

Setting the name of a State or Conduit node to an extremely long string causes a crash This issue is not a regression. ...

[CrashReport] UE4Editor_CoreUObject!UObjectProperty::SerializeItem() [propertyobject.cpp:39]

UE - Gameplay - Blueprint - Apr 19, 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 ( ...

[CrashReport] UE4Editor_UnrealEd!TArray<TScriptDelegate<FWeakObjectPtr>,FDefaultAllocator>::Find() [array.h:784]

UE - Gameplay - Aug 22, 2017

This is a regular crash occurring in 4.17. It may be a regression as there is no immediate evidence of it occurring in prior releases. Users have not provided any descriptions of their actions whe ...

[CrashReport] UE4Editor_OculusRift!FHeadMountedDisplay::GetCurrentHMDPose()

UE - Platform - XR - Jun 28, 2016

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Assertion failed: IsInGameThread() [Link Removed] [Line: 1047] Source Context ...