Unreal Engine Issues

Landscape Visibility Tool crashes editor

Editor crashes when landscape visibility tool is used on landscape. Frequency: 2/2 Crash Reporter: [Link Removed] ...

Importing a New Substance Preset will crash the engine

With the Substance plugin installed and when you try to import new preset data into the Substance Graph Instance, the engine will crash ...

Opening widget blueprint causes editor to crash

Branch Build Label UE4-Main Promoted-CL- 2323471 DESCRIPTION: User crashes when opening a Widget blueprint.  Unable to reproduce internally. *EDIT* Repro provided by User ...

Crash when launching Google VR project

Attempting to launch a packaged Google VR game on android causes the game to crash. This has occurred on two other devices. This occurs in Main as well as Dev-VR. ...

Crash when creating StaticMesh repeatedly

UE4Editor crashes when creating static meshes. Event at startup time while it tries to create default object it crash sometimes. ...

Assertion trying to open packaged project on Linux: Default__MaterialInterface was listed as a fixed load order but was already processed

This might be related to [Link Removed]. ...

Opening / Compiling class with ChildActorComponent causes the ChildActor package to be marked dirty.

Looks like this is a problem where the Actor is Duplicated due to constructions scripts running. Later, when the duplicate is destroyed all of its components will call RemoveOwnedComponent as they'r ...

Crash on setting Material in Element 1 of Combined Mesh

Crash on clearing or setting the second or third material slot in the Static Mesh Editor on an imported combined FBX Mesh. Also Reproduced in Main Promotable-CL-2484152 (Perforce) NOTE: User is o ...

Editor crash when opening Project Settings on Linux

When the Project Settings is opened on Linux, a call is made to run an iOS-related C# program (execute iPhonePackager certificates). This call causes the editor to crash. Unable to find mention of ...

WP HLOD Crash on Small Cell Sizes