Unreal Engine Issues
Unreal Engine Issues
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 ...
Regression: Crash when saving the level blueprint of a world-partition map containing any node with an unconnected input pin of type "Gameplay Attribute Structure"
UE - Gameplay - Gameplay Ability System - Feb 19, 2025In UE 5.5, when the user attempts to save the level blueprint of a world-partition map, the Editor crashes if the BP contains any node with an input pin of type "Gameplay Attribute Structure", as lo ...
Crash occurs in UMG Animation after pressing "Home" key and RMB the timeline
UE - Anim - Sequencer - Oct 17, 2016This was able to be reproduced 100%. I encountered this during a Regression pass. I was trying to give myself more working space and remembered that hitting "Home" focused the space in sequencer, so ...
"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 ...
[CrashReport] UE4Editor_Landscape!ALandscapeProxy::GetLandscapeInfo() [landscape.cpp:785]
UE - LD & Modeling - Terrain - Landscape - Jul 13, 2017This is a common crash affecting users in the 4.16 release. Users have not provided any descriptions. Source Context 775 { 776 ULandscapeInfo* LandscapeInfo = nullptr; 777 ...
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 ...
[CrashReport] UE4Editor_UnrealEd!UEditorEngine::CheckForWorldGCLeaks()
UE - Foundation - Core - UObject - Jun 29, 2017This is a common crash occurring for users in 4.16. It is spread out among around 60 different CrashGroups in CrashReporter, because every case has a slightly different callstack. This appears to ...