Unreal Engine Issues
Unreal Engine Issues
Selecting Reimport on a virtual texture results in crash
UE - Graphics Features - Nov 14, 2019Reimporting a virtual texture results in a crash. Tested in: 4.24P2 CL#10091930 , 4.25 CL#10183780 ...
Renaming actors between levels during PIE causes issues
UE - World Creation - Worldbuilding Tools - OFPA - Dec 4, 2023When renaming actors during PIE the actor generates a new, non memory/temporary, actor package underneath the PIE world- this is then causing checks in EnumerateMemoryAssetsHelper (in AssetRegistry. ...
Cooked content results in crash on launch of QAGame.exe
UE - Graphics Features - Feb 22, 2019Seems to be an issue with how the cooker is calling the contents of TM-ShaderModels. ...
SetHitResultFromShapeAndFaceIndex crash
UE - Simulation - Physics - Nov 15, 2019SetHitResultFromShapeAndFaceIndex calls if(PxMaterial* PxMat = PShape->getMaterialFromInternalFaceIndex(FaceIndex)) { OutResult.PhysMaterial = FPhysxUserData::Get<UPhysicalMaterial>(PxMat->userD ...
Crash when importing Alembic data with a large number of vertices if Merge Meshes is enabled.
UE - Editor - Content Pipeline - Datasmith - May 26, 2022Grabbing a Destructible Mesh Child blueprint with a Phsyics Handle crashes the editor
UE - Simulation - Physics - Jun 20, 2016Grabbing a Destructible Mesh Child blueprint with a Phsyics Handle crashes the editor during PIE. NOTE: This issue occurs whether or not simulate physics is active on the destructible mesh compone ...
Missing material bake output index entry for mesh(section)
UE - World Creation - Worldbuilding Tools - HLOD - May 15, 2024Pasting a folder on the Outliner while LightMixer and ViewChanges windows are open/docked crashes the Editor
UE - Virtual Production - Jun 12, 2025When both LightMixer and ViewChanges windows are open, pasting a folder into the Outliner crashes the editor. For more detailed steps, refer to the Steps To Reproduce section. This happens whenever ...
Changing particle system template via Blueprints crashes Editor and packaged game
UE - Niagara - Apr 4, 2019Setting a ParticleSystem component in a Blueprint to none/null with a "Set Template" node causes the editor and the packaged project to crash. I have noticed this when migrating my game to 4.22, whi ...
Editor crashes on compile with no warning when trying to access information from a "Slot as Canvas Slot" node on tick that has not been set yet by begin play
UE - Editor - UI Systems - Jul 1, 2015If a user creates a widget variable that is set on begin play and then tries to get information from that widget via the "Slot as Canvas Slot" node on tick the editor will crash. This appears to hap ...