ensure(false) being fired in FGenericParticlePairMidPhase::FindOrCreateConstraint from key collision

UE - Simulation - Physics - Jan 27, 2025

ensure(false) being fired in FGenericParticlePairMidPhase::FindOrCreateConstraint from key collision. The licensee reports one of their users reported this issue and they were able to reproduce a fe ...

LIVE: On MAC, Atmospheric Fog Preview Renders Incorrectly with Default Settings

UE - Platform - Apple - Nov 14, 2014

On a Mac, Following the tutorial located here: https://answers.unrealengine.com/questions/132223/macbook-pro-preview-rendering-issues.html When opening a new level, the atmospheric fog renders soli ...

Reset Emitter button in blueprint emitter component has no effect

UE - Gameplay - Blueprint - May 21, 2015

After setting a particle system component inside blueprint, clicking the "Reset Emitter" button in the details panel does not have any effect on the particle system. ...

Tooltip on Beam Source Name is incorrect

UE - Niagara - Oct 24, 2014

In the Beam's Source Module the tooltip for the Source Name is actually the tooltip for the Source Tangent Strength. ...

Crash using the 'Shot' Console Command after 'HighRes Shot 2'

Tools - Apr 7, 2015

A crash occurs when using the 'HighRes Shot 2' command, followed by the 'Shot' command. The user reporting the issue made a couple of notes to avoid the crash using these steps. He mentions the cra ...

Enumerators not setting data correctly in BP struct from .csv file

UE - Gameplay - Blueprint - Dec 24, 2014

Enum data is not correctly setting names in the data table when pulling data from a .csv file. ...

LIVE: Seams appear to split in world composition browser when using lower scalability settings.

UE - LD & Modeling - Terrain - Landscape - Nov 5, 2014

When using scalability settings with the world composition browser, seams in separate landscapes break on low settings, even if they lined up on high or epic settings. ...

EQS Generators named "NewBlueprint" cause errors and crash

UE - AI - Feb 11, 2015

Naming an EnvQueryGenerator_BlueprintBase derived BP "NewBlueprint" and deleting it causes new custom generators to not appear in the EQS. This can also lead to a crash when searching for the new ge ...

Montage linkable elements lose segment links when changing dependant anim sequences without loading the montage.

OLD - Anim - Apr 27, 2015

If an animation has its length changed, either by changing its play rate or reimporting with a different length - elements in any unloaded montages will end up misplaced. Workaround: Load the monta ...