Unreal Engine Issues
Unreal Engine Issues
Material Graph Editor crash when changing the value of a node entering a reentrant expression
UE - Rendering Architecture - Materials - Oct 1, 2024It is possible to cause an editor crash when changing a the value of a node involved with a reentrant expression. See the steps to reproduce for more information. Specifically, the crash occurs whe ...
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 ...
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 ...
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 ...
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 ...
Crash After Reimporting Static Mesh With Added Material Slot
Tools - Jan 12, 2017After importing a mesh without any materials assigned, if you add a material slot and save the material. Reimporting this mesh will cause a crash. The only way to avoid this crash is to import a me ...
Editor crash when using Straighten Connection shortcut key
UE - Gameplay - Blueprint - Feb 8, 2017Using Straighten Connections shortcut can cause the editor to crash after removing node pins. This appears to be due to GetGraphPinForMenu returning the last pin selected (in this case, the removed ...
Crash: Landscape Materials Missing on Shipping and Development Packaged Builds
UE - Foundation - Core - Sep 9, 2019When running a packaged build of a project with a level with a landscape that has a material assigned it will crash (shipping build) or not retain the assigned material (development build). There i ...