Crash when load the levelinstance what is set "LevelBehavior=Standalone" in the stanadalone game

UE - World Creation - Worldbuilding Tools - Level Instances - Jul 16, 2024

A crash occurs when LevelInstance with LevelBehavior set to "Standalone" is loaded in a standalone game. Specifically, when LevelInstance is deleted by moving outside the loading range of the worldp ...

Client crashes when executing seamless travel with an active particle system in the level that was spawned at runtime

UE - Niagara - Apr 16, 2019

Clients crash when being part of a Seamless Travel if there was an active particle system in the level that was spawned at runtime. If the travel is not seamless, the particle system is placed in th ...

Launching any QAGame map on Linux with an NVIDIA Card crashes at launch

UE - Graphics Features - Mar 11, 2022

Workaround:  "Start with "-windowed" in your command line until the issue is resolve" Engine does not crash. However, a crash appears when the game is launched in the output log. Issue is occurring ...

Crash when spawning destructible objects in 2 player PIE

UE - Simulation - Physics - Destruction - Aug 31, 2016

Crash Reporter link: [Link Removed] With Source Context: [Link Removed] ...

Functional Test framework crashes adding delegate instance when multiplayer PIE enabled

UE - Gameplay - Jun 18, 2015

The Functional Test framework crashes when adding a delegate instance if multiplayer PIE is enabled. The crash occurs at the check code in the block below from ..\Engine\Source\Runtime\Core\Public\D ...

Pressing Cancel after ColorPicking a Sequencer's tracked Color will not reverted the color to the previous value

zComponent - Archive - Jun 22, 2025

Pressing Cancel after ColorPicking a Sequencer's tracked Color will not reverted the color to the previous value. There's a bug when ColorPicking a color that is being tracked in Sequencer - pressin ...

Non-terminating while loop when creating a new BP Actor and quickly switching between components.

UE - Gameplay - Blueprint Editor - May 14, 2024

It is possible for the while loop in UnrealEditor-SubobjectDataInterface.dll!USubobjectDataSubsystem::GetActorRootHandle(const FSubobjectDataHandle & StartingHandle) Line 815  to not terminate when ...