Unreal Engine Issues

Using dynamic bindings in a code class will result in the bindings becoming a permanent part of any Blueprint created from that class if a hot reload is performed.

If dynamic bindings are being used in a custom code class from which Blueprints are derived, any hot reload will make the bindings a permanent part of the Blueprint and they cannot be removed or cha ...

Internal Compile error received from rearranging Format Text nodes

Internal Compile error received from rearranging Format Text nodes Output Log of Error: LogBlueprint:Error: [compiler] Error Internal compiler error inside CreateExecutionSchedule (site 2); please ...

A project using the Script Plugin will not open in a binary version of the Engine that is created from an Engine built from source code

Trying to open a project that uses the Script Plugin in a binary version of the Engine that has been created from an Engine built from source code will fail. The Engine is looking for the file Unrea ...

IOS crash disabling idle timer when closing the app

Licensee report of crash during shutdown due to setting [UIApplication sharedApplication].idleTimerDisabledbeing from the Game thread. Grouped together with others items in [Link Removed] ...

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 ...

Mobile Deferred Shading enabled and Preview Level Android Vulkan will crash the editor

UE4Editor crashes while closing on Ubuntu 14.04

UE4Editor crashes when closing on the Ubuntu 14.04 machine. I do not see this issue on my Ubuntu 16.04 machine. ...

Duplicating many Actors at once in a Level Instance while in Level Instance Edit will result in a jumbled mess of Actors on the Persistent Level

Duplicating many Actors at once in a Level Instance while in Level Instance Edit will result in a jumbled mess of Actors on the Persistent Level. The licensee has encountered this in Unreal 5.4 and ...

Ensure triggered upon improper math expression

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

After importing morph target: Ensure condition failed: Referencing SkeletalRenderGPUSkin.cpp

Hit handled ensure when dragging the slider in Morph Target PreviewLogOutputDevice: Error: Ensure condition failed: DynamicData->MorphTargetWeights.Num() == LODModel.MorphTargetVertexInfoBuffers.Get ...