Unreal Engine Issues

A Blueprint containing an array Swap node will fail to be nativized.

Blueprint assets that utilize an array "swap" node to swap elements cannot currently be converted to C++. Current workaround: Either avoid use of the "swap" node or exclude the Blueprint asset from ...

[CrashReport] D3D device lost. (Error: 0x887A0007 - 'RESET')

This is a common 4.18 crash that occurs before projects load. All cases experience the "RESET" error. Possibly just driver issues? Source Context 188 // Workaround for the fact that i ...

Custom UVs don't store information properly in layered materials.

[Link Removed] I have this set up so that FX artists can stack UV manipulations, so I don't want to just have all the UV manipulation in the layer with the base color, even though that does give me ...

[CrashReport] UE4Editor_Engine!FShaderCompilingManager::ProcessCompiledShaderMaps() [shadercompiler.cpp:1812]

This is a trending crash coming out of the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred. It appears to crash without a project loaded, and only for ...

Cannot build project for the Development configuration after adding a new UFactory code class

Adding a new custom UFactory code class to a project results in no longer being able to build the project for the Development configuration. Prior to adding the UFactory code class the project can b ...

Crash when closing a connection from listen server when using

Ensure triggered upon improper math expression

An ensure is triggered upon entering an improper math expression. ...

Setting Texture Group "UI" from Editor Utility Blueprint at Import causes a crash

In Blueprint, binding a custom event to OnAssetPostImport and setting TextureGroup to UI causes the UE editor to crash. But if it sets to the other group like "World" or "Character", this crash does ...

Editor crashes when using decal material on Instanced Static Mesh with Raytracing

This issue can occur when setting the Decal Material to Instanced Static Mesh in a Raytracing enabled project. (If there is a cache, it will not crash.) The cause is that DefaultDeferredDecalMateria ...

Editor crashes when importing alembic asset

Editor crashes when importing Alembic material asset. The editor will crash once selecting the asset in Windows explorer, before the Import Options window appears. When testing this, we had an ave ...