Crash when creating a local variable inside of a collapsed node graph that has been copied

UE - Gameplay - Blueprint - Nov 5, 2015

If the user creates a function with local variables and then collapses the variables down into a collapsed graph and then duplicates this collapsed graph the variables in the second graph will be gr ...

Exporting and Reimporting static mesh created from BSP brush crashes editor

UE - Editor - Content Pipeline - Import and Export - Apr 12, 2016

Editor crashes if a bsp brush is turned into a static mesh, then that static mesh is exported from the editor and reimported. Frequency: 3/3 Crashreporter: [Link Removed] Regression? (Yes), issu ...

Crash Occurs When Retargeting Mannequin Skeleton to Daz Studio Skeleton

OLD - Anim - May 8, 2018

Crash occurs when the mannequin skeleton is retargeted to the Daz skeleton Does not occur in 4.18.3 ...

Crash when syncing a folder with source control that contains a level that utilizes Level Streaming

Tools - Dec 28, 2017

A crash occurs when you attempt to run the sync command on a folder that contains a level that is using level streaming in the editor. This was tested with Perforce and Subversion. Have not tested ...

Attempting to override timeline function in child blueprint crashes editor

UE - Gameplay - Blueprint - Sep 24, 2015

Attempting to override a timeline within a child blueprint causes the editor to crash. Frequency: 4/4 Crashreporter: [Link Removed] ...

Crash when compiling for instrumentation after adding an exec pin to a collapsed graph

UE - Gameplay - Blueprint - Aug 15, 2016

Editor crashes when compiling for instrumentation after adding an exec pin to the collapsed graph. This only occurs if the exec pin was added through a drag and drop method. Adding the exec pin to ...

Crash upon editing a GameplayTagQuery inside of a DataAsset

UE - Gameplay - Oct 27, 2017

When a GameplayTagQuery variable is edited from inside of a DataAsset, the editor crashes when the changes are saved. This could be related to a bug that was fixed previously: [Link Removed] Regres ...

Crash occur when using AddSpawnableFromClass with BlueprintGeneratedClass specified

UE - Anim - Sequencer - Aug 13, 2019

BlueprintGeneratedClass is not based UBleupint. So the following code is failed. bool UActorFactoryBlueprint::PreSpawnActor( UObject* Asset, FTransform& InOutLocation) { UBlueprint* Blueprint = ...

OBJ file causes a `Debug Assertion Failed!` error

UE - Editor - Content Pipeline - Import and Export - Dec 23, 2015

When importing this users file of an OBJ asset there will be an assertion failed error. On the import message if you hit "ignore" until the mesh imports all will work in 4.10 or later. This was no ...

Unreal crash on STEP file datasmith import

UE - Editor - Content Pipeline - Datasmith - Importer - May 9, 2018

Unreal Crash on .STEP file using the  Datasmith importer. Works fine in 4.19.2  ...