Unreal Engine Issues
Unreal Engine Issues
[PCG] Delayed PCG Component Unregister causing stale pointer crash
UE - World Creation - Procedural Tools - PCG Component - Jun 11, 2024Integer overflow in NaniteBuilder can lead to an editor crash on certain meshes
UE - Graphics Features - Nanite - Jul 10, 2024NaniteBuilder uses an int8 type for ExternalEdges and counts adjacency with a int32. The bug stems for the cast to int8 when adding the adjacency count into the ExternalEdges array. The precision l ...
EDITOR: LIVE: CRASH: Reroute nodes can cause a loop that freezes the editor.
UE - Gameplay - Blueprint - Jul 29, 2014Branch Build Label UE4-Main Promoted-CL-2230001 DESCRIPTION: If reroute nodes are used to make a loop, the editor will not catch it and the loop will freeze the editor. ADDITIONAL NOTES: Creatin ...
Cooked game crashes during async loading when the engine also has to load another package
UE - Foundation - Core - UObject - Jun 22, 2017[CrashReport] Mac/Metal Intel compiler crash - UE4Editor-MetalRHI.dylib!CreateMTLRenderPipeline()
UE - Graphics Features - Oct 27, 2017Mark S: This is an Intel compiler failure on macOS 10.12.6. Callstack from LogAssertion failed: [File:/Users/build/Build/++UE4+Release-4.18+Compile/Sync/Engine/Source/Runtime/Apple/MetalRHI/Privat ...
Importing a 16x16km landscape at 0.5m resolution crashes Unreal (not enough VRAM)
UE - Graphics Tools - Terrain - Landscape - Jan 9, 2023Assertion failed occurs in VR when walking into water on QA-Waterworks map
UE - Graphics Features - Jan 20, 2021Encountered a crash when testing shadows in QA-Waterworks map. I found an issue when walking into the water at the bottom for Example 2A, where it would crash upon entering the water. See screenshot ...
[CrashReport] UE4Editor-Core.dylib!<Unknown>
UE - Platform - Apple - Jan 13, 2016Crash Reporter Link: [Link Removed] User's description in Crash Reporter: Clicked on the + button to GameModeOverride in the World Settings panel. ...
Importing Alembic/ABC File with Large Number of Morph Targets Breaks Morph Targets
OLD - Anim - Jun 18, 2018When importing abc files with several morph targets (as a skeletal mesh), some morphs do not import and the ones that do are distorted(see screenshots and attached project) -Number of morphs is no ...
Custom Primitive Data crash when used from Static Mesh Comp attached to BP Actor
UE - Graphics Features - Mar 22, 2022When trying to edit custom primitive data on static meshes attached to a BP actor, an out of bounds access will occur. This does not occur when the static mesh is simply on a regular Actor (Same rep ...