Unreal Engine Issues
Unreal Engine Issues
Crash when calling SetVector2DParameter on a Niagara Parameter Collection
UE - Niagara - Mar 10, 2022Crash when calling SetVector2DParameter on a Niagara Parameter Collection. The value for the SetVector2DParameter may or may not have to be changed in order for the crash to occur. Assertion faile ...
Crash when adding a Material Layer with a Static Component Mask Parameter node to a Material Instance
UE - Graphics Features - Apr 15, 2021When adding a Material Layer, that has a Static Component Mask Parameter node in it, to a Material Instance, the editor will crash. The ability to set Material Attribute layers in a Material Inst ...
Crash when a material with a texture parameter is deleted when it has instances with static permutations
UE - Graphics Features - Dec 28, 2016This was the simplest solid repro I could get on this bug. The callstack is similar to [Link Removed] Also came across several Shader Compiling Manager crashes while attempting to repro this crash ...
Assets containing TSet or TMaps fail to Nativize
UE - Gameplay - Blueprint Runtime - Dec 12, 2016Multiple compile failures while attempting to nativize the QABP_Containers asset in QAGame. Errors:[2016.12.12-15.20.04:831][486]UATHelper: Packaging (Windows (64-bit)): xgConsole: QABP_Containers_ ...
Crash on Adding Elements to Array On Instance of Actor in the Level
Tools - May 25, 2018When attempting to add an array element to an array that exists on a component contained within an actor that is instanced in the level, the editor will crash. This does not occur if an array elemen ...
"Assertion Failed" crash while Force Deleting the FirstPerson folder within FirstPersonTemplate project
UE - Gameplay - Oct 28, 2016The Editor crashes while Force Deleting the FirstPerson folder within a FirstPersonTemplate project. This behavior is consistent between Blueprint / Code versions of FirstPersonTemplate projects. ...
[CrashReport] UE4Editor_Landscape!ULandscapeInfo::RegisterActor() [landscape.cpp:1882]
UE - LD & Modeling - Terrain - Landscape - Aug 28, 2017This is a common crash coming out of the 4.17 release. User Descriptionstrying to delete landscape related stuff A similar callstack was seen in an older issue, [Link Removed]. Source Context ...
FCPXML export is off by one frame
UE - Anim - Sequencer - Feb 10, 2021It looks like FCPXML is off by one frame for the MRQ export. For the old movie scene capture tool, it appears correct. ...
Instanced object in an array property of an actor component is invalidated and marked for garbage collection on undo
UE - Gameplay - Jun 4, 2024If an actor component contains a TArray of instanced objects, some of those object instances can get incorrectly invalidated and marked for garbage collection in certain situations, possibly resulti ...
Crash Occurs When Deleting Virtual Bones that are Referenced in Post Process Anim Blueprint
OLD - Anim - Mar 22, 2018When a post process anim Blueprint that uses a virtual bone is used in the Skeletal Mesh and the virtual bone is deleted from the skeleton, crash occurs -The Post Process Anim Blueprint is set in ...