Landscape BP Brushes in WP map causes changelist validation to fail

UE - Graphics Tools - Terrain - Landscape - May 13, 2022

Using a Landscape BP brush in a WP map causes SCC validation to fail: [2022.05.13-09.04.47:880][473]SourceControl: Error: Changelist validation failed! [2022.05.13-09.04.47:881][473]SourceControl: ...

UEnhancedInputUserSettings::LoadOrCreateSettings does not handle the changing of a settings class in the editor

UE - Gameplay - Input - Jun 3, 2024

proposed fix seems ok to me:  UEnhancedInputUserSettings* UEnhancedInputUserSettings::LoadOrCreateSettings(ULocalPlayer* LocalPlayer) { UEnhancedInputUserSettings* Settings = nullptr; ...

HandleKismetEvent (console cmd 'ke'): GT-ALT deadlock when user function flushes async loading

UE - Foundation - Core Systems - EditorLoader - Apr 8, 2026

Context In builds with the in-game console enabled, users can use the ‘ke’ command to execute UFUNCTIONS on any object:ke * MyFunc // run MyFunc() on ANY UObject with a ufunction with that name ke ...

ISequencer::OnPlayEvent does NOT fire at the end of playback in Sequencer editor

UE - Anim - Sequencer - Jul 8, 2022

ISequencer :: OnStopEvent is executed when pause, but not when playing to the last frame and stopping automatically. This is because OnStopDelegate.Broadcast(); is only in FSequencer::Pause(). When ...

Renaming function in parent class that is overridden by child causes an ensure

UE - Gameplay - Blueprint - Aug 5, 2016

Extremely similar repro to [Link Removed], except in this case the parent function has no parameters or return values. Also encountered a one-off crash while exploring repro methods, but was unabl ...

Crash Occurs When Creating a Blueprint From a Nav Link Proxy

UE - Gameplay - Blueprint - Sep 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 ( ...

Make literal container nodes (e.g. MakeArray) do not cast object ref output terms linked to interface-typed input pins.

UE - Framework - Blueprint - Jan 28, 2023

As with most nodes, object reference outputs can be directly connected to interface-typed inputs on "make container" nodes (e.g. "MakeArray") if the object's class type implements the interface clas ...

Dangling pointer + mem corruption related to OwnerLastRenderTimePtr

UE - World Creation - Worldbuilding Tools - Mar 16, 2026

We've been seeing asserts and crashes related to OwnerLastRenderTimePtr. We've traced this to the mentioned pointer ending up dangling after using UActorComponent::Rename() on primitive components t ...

[CrashReport] UE4Editor_CoreUObject!FGenericPlatformStricmp::CompatibleCharTypesStricmp<wchar_t,wchar_t>() [genericplatformstricmp.h:44]

OLD - Anim - Aug 3, 2015

Crash Reporter: [Link Removed] Access violation - code c0000005 (first/second chance not available) Characteristics of this bug: Tends to occur if an AnimBlueprint window is open with other Bluep ...

Android build fails with GPU Lightmass plugin enabled

UE - Platform - Mobile - Nov 5, 2020

Packaging for Android fails with the GPU Lightmass plugin enabled. A customer reported this and I was able to successfully repro it, however my callstack was different. I'm attaching my logs and cal ...