Unreal Engine Issues
Unreal Engine Issues
Crash Occurs When Mesh is Reimported Multiple Times in the Mesh Editor
UE - World Creation - Worldbuilding Tools - Foliage - Jan 24, 2018Engine crashes when asset has been reimported multiple times through the mesh editor -Editor crashes in Main when reimporting -Editor crashes in 4.17 when changing the Import Transforms ...
Crash editor when many sequencers are opened continuously
UE - Graphics Features - Dec 3, 2020Get crashed in editor when opening many sequencers using the EditorUtilityWidget,. It's not in UE4.25.3, but it crashes in UE4.25.4. And it only occurs when NVIDIA Aftermath (r.GPUCrashDebugging=1) ...
Niagara Fluids Grid3D_Gas_Explosion causes a crash
UE - Niagara - May 4, 2022Placing Grid3D_Gas_Explosion into a level then packaging the level for windows will crash the packaged project. The package will give an error that it crashed while loading and quit. This does not ...
FAnimationRuntime::BlendPosesPerBoneFilter() causes an assertive crash when Skeletal Mesh LOD is changed
UE - Anim - Runtime - Nov 1, 2023The crash occurs from "check(BoneBlendWeights.Num() == NumBones);" This crash occurs when the following conditions are met;The skeletal mesh LOD is changed.The number of bones is difference between ...
Crash when Moving a Single Foliage Instance with over 15k Painted Instances
UE - World Creation - Worldbuilding Tools - Foliage - Apr 8, 2016A licensee is reporting a crash when he transforms/moves a single instance of foliage, when there are 15,000 or more painted instances of that mesh in a single map. Regression Yes, I tested the sam ...
Editing Layered Material Instance Causes Editor Crash
UE - Graphics Features - May 23, 2018Crash repros in 4.19.2 and Main CL 4088075. Triggering the crash can be inconsistent- you may have to assign the material instance to a mesh, force shaders to recompile, save, and continue toggling ...
Using Deferred Decal Material With Dbuffer Decal Enabled Crashes Editor
UE - Graphics Features - Nov 16, 2016When using a deferred decal material (while Dbuffer Decals are enabled) on an asset and then going fullscreen in the viewport will cause the engine to crash. Note engine doesn't crash when material ...
Dedicated Server crashes when client connects in particular circumstances
UE - Networking - Jun 9, 2016Running a dedicated server with the setup in this fairly simply project causes a crash when a client connects. I'm unaware of the actual cause but getting the reproduction was all I could do. Logs ...
Crash using the 'Shot' Console Command after 'HighRes Shot 2'
Tools - Apr 7, 2015A crash occurs when using the 'HighRes Shot 2' command, followed by the 'Shot' command. The user reporting the issue made a couple of notes to avoid the crash using these steps. He mentions the cra ...
Closing a Geometry's Collection Dataflow Editor window when the ChaosVehiclePlugin is enabled is crashing the Unreal Editor when running it with the -stompmalloc flag
UE - Simulation - Physics - Jan 27, 2025As the title describes, closing a Geometry's Collection Dataflow Editor window when the ChaosVehiclePlugin is enabled is crashing the Unreal Editor when it is running with the -stompmalloc flag. The ...