[CrashReport] UE4Editor_UnrealEd!SaveWorld() [filehelpers.cpp:359]

Tools - Aug 31, 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: !bIsReentrant [L ...

Splash screens do not appear in Gear VR

UE - Platform - XR - Apr 28, 2017

A splash screen that has been set up in the DefaultEngine.ini with the following settings does not show in Gear VR[Oculus.Splash.Settings] bAutoEnabled=True TexturePath=/Game/Texture/AICON-Green ...

Regression: FGameplayTag and FGameplayTagContainer pin value modification is not undo/redoable

For nodes with an FGameplayTag or FGameplayTagContainer pin, when changing the tag value (Pin->DefaultValue) and triggering Undo/Redo, the pin modification is not undone. Rather, it undoes the previ ...

Crash in FUniformExpressionSet::FillUniformBuffer trying access deleted UTextureCollection

UE - Rendering - Architecture - May 30, 2025

Crash in FUniformExpressionSet::FillUniformBuffer trying access deleted UTextureCollection (Experimental in 5.6). The licensee describes their crash, their analysis, and a proposed fix: This crash ...

Crash Occurs on Project Load When Casting a Child Actor Component's Parent to the Parent Class

UE - Gameplay - Blueprint - Dec 5, 2016

A crash is occurring on project load when attempting to use GetParentActor and cast that to a Parent class that contains a child actor component inside of that child actor component's blueprint. T ...

Changing the name of a GameMode Blueprint that is set as the Default in Project Settings and then clicking the Project Settings Default GameMode dropdown will crash the editor

Tools - Jul 7, 2015

Changing the name of a GameMode Blueprint that is set as the Default in Project Settings and then clicking the Project Settings Default GameMode dropdown will crash the editor. No crash report is ge ...

Self-Shadowing changes when click on and off an actor

UE - Graphics Features - Jun 19, 2015

Given a Movable Light with a Movable Mesh with enabled Self Shadow Only, the mesh will not cast inset shadows (despite this option begin forced to true according to Tooltip) unless the mesh is selec ...

DetourCrowdAIController causes AI to update movement differently

UE - AI - Apr 3, 2015

When you use MoveTo BT node, with a target set as Actor and your AIController is DetourCrowdAIController, the AI pawn will update its goal destination much less frequently. Instead of constantly fo ...

SourceControl: Error: Operation 'UpdateChangelistsStatus' not supported by source control provider 'Subversion'

UE - Editor - Apr 15, 2021

When trying to check in a new asset or changed asset via the source control menu or Tools menu, an error comes up in output log. SourceControl: Error: Operation 'UpdateChangelistsStatus' not suppor ...

Placing 3 or more individual meshes in the foliage tool and creating a large amount of them dramatically reduces FPS

UE - World Creation - Worldbuilding Tools - Foliage - Jan 13, 2015

While the framerate has improved for 4.7 in regards to large amounts of foliage, when a user places a substantial amount of foliage into level and it has at least 3 different foliage meshes, FPS dro ...