Unreal Engine Issues
Unreal Engine Issues
Dangling pointer + mem corruption related to OwnerLastRenderTimePtr
UE - Engine Scaling - Streaming - Mar 16, 2026We'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_Engine!USkeleton::GetSmartNameContainer() [skeleton.cpp:1315]
OLD - Anim - Oct 5, 2016Error message: Access violation - code c0000005 (first/second chance not available) Source Context: 1300 FSmartNameMapping* Mapping = SmartNames.GetContainerInternal(ContainerName); 1301 ...
Map load errors after adding C++ Vehicle or VehicleAdvanced pack to a project
UE - Gameplay - Jan 14, 2017Load errors:Warning CreateExport: Failed to load Outer for resource 'MovementComp': TP_VehiclePawn /Game/VehicleCPP/Maps/VehicleExampleMap.VehicleExampleMap:PersistentLevel.TP_VehiclePawn_9 Warning ...
Always Relevant actor may replicate incorrect movement mode when the walkable floor becomes irrelevant
UE - Runtime - Character - Feb 26, 2024When the character class is set to always relevant, if a client travels very far away from another character, such that the character is relevant but the component they're standing on is not (but al ...
Resetting MovieSceneObjectBindingID property can't update display
zComponent - Archive - Apr 19, 2024When reset a MovieSceneObjectBindingID type property, the display of the property is not reset but keep the value before reset, until the property form is clicked. [Image Removed] ...
Parent component visibility in a child blueprint isn't reflected in a launched project.
UE - Gameplay - Blueprint - Mar 5, 2015Parent component visibility in a child blueprint isn't reflected in a launched/packaged project. ...
GAS: AbilitySystem.DebugAttribute crashes client when server added runtime constructed GEs
UE - Gameplay - Gameplay Ability System - Aug 8, 2023In a networked PIE session, when the server has applied a programmatically constructed GameplayEffect that has duration policy = Infinite or HasDuration, this results in a client crash when the clie ...
[CrashReport] UE4Editor_UnrealEd!UEditorEngine::TeardownPlaySession() [playlevel.cpp:595]
Tools - Aug 30, 2016This 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: EditorWorld == G ...
Exponential Editor Slate Performance Cost When Editing An Asset With Nested Instanced Structs
UE - Editor - Feb 20, 2024UDN Issue: [Link Removed] ...
Enabling Override Instance Data to a LevelSequencerActor that has a Shot Track can lead to crashing the engine
zComponent - Archive - Mar 17, 2025Enabling Override Instance Data to a LevelSequencerActor that has a Shot Track can lead to an Actor being translated really far, or even a crash in the engine. The licensee has encountered a particu ...