This user's project presents an Engine/Transient save error on certain Blueprints

UE - Gameplay - Blueprint - Apr 10, 2015

This user's project presents an Engine/Transient save error on certain Blueprints. When saving the CharmState Blueprint, this message pops up: Can't save ../../../../../UserProjects/jeffvoight_ciic ...

Painted Foliage Instances Randomly Culling in Splitscreen Multiplayer

UE - World Creation - Worldbuilding Tools - Foliage - Mar 15, 2017

Foliage instances are behaving strangely when playing splitscreen multiplayer in a single instance window. The instances will cull in and out of visibility depending on the size of the current playa ...

Unable to PIE + Crash after editing SColorGradingPicker

Tools - Jul 26, 2017

Changing Color Grading settings of a post process volume and using "Enter" to commit changes prevents the editor from entering PIE / Simulate mode with the error message "Can't Play In Editor / Simu ...

Value of Mass In Kg is multiplying in value when clicked

UE - Simulation - Physics - Jul 27, 2017

When changing the value of Mass In Kg for a child of a Skeletal Mesh Actor, the value is getting multiplied with every select, deselect, and enter press on the value. The number the value is multipl ...

Desynchronised playback of firstime played SoundWaves with active AudioStreamCaching

UE - Audio - Mar 25, 2020

The SoundWave in the Content folder of the attached Project has been exported from Nuendo @ 120BPM 4/4, with a duration of exactly 1 Bar. The BP_Audio Actor uses the TimeSynthComponent to provide sa ...

Component properties cannot be edited for instances of a Blueprint if more than one instance of that Blueprint in the level is selected

UE - Gameplay - Blueprint - May 5, 2017

Properties of components that are added to a Blueprint cannot be set in the Details panel for instances of that Blueprint in the level if multiple instances are selected. These components also do no ...

Anisotropy not working correctly when used in Material Layers

UE - Rendering Architecture - Materials - Jan 17, 2024

1. When a Material Layer is applied and there is no node connected to Anisotropy in the master material(M_Test_1), the material does not function correctly after packaging, although it works properl ...

Editor crashes when adding a parameter to a material when using Forward Shading and DX12

UE - Graphics Features - Apr 24, 2019

Setting the default RHI for Windows to DX12 and enabling Forward Shading results in a crash when adding a texture sample parameter to a material. Found in 4.22 CL# 5660361 and 4.23 CL# 6074473 Wor ...

A Blueprint that references a macro from a macro library cannot be saved if the macro is deleted and then the deletion is undone

UE - Gameplay - Blueprint - Sep 9, 2015

A Blueprint that references a macro from a macro library cannot be saved if the macro is deleted and then the deletion is undone. The following error is given: Can't save ../../../../../../UnrealEn ...

Setting Lights, Static Meshes, and Actors to movable creates lighting error

UE - Graphics Features - Aug 15, 2017

There is an error that is occurring when using movable lighting with objects and actors that are also set to movable. This issue does not occur with objects or lights that are NOT set to movable. V ...