Unreal Engine Issues
Unreal Engine Issues
[CrashReport] Mac crash - TArray<FDeferredMacEvent, FDefaultAllocator>::ResizeGrow
UE - Platform - Apple - Sep 14, 2017This is a somewhat common crash on Mac that has affected users since 4.16. Users have not provided any descriptions of their actions when the crash occurred. Callstack from Log [2017.09.08-05.17. ...
Compiling a blueprint with SetCollisionResponseToChannel Causes Crash
UE - Gameplay - Dec 5, 2016When using a blueprint with a destructible component, you can call the SetCollisionResponseToChannel node of that component in the construction script. As a result the engine will crash when attempt ...
Crash when destroying a pawn on the client
UE - Networking - Jul 6, 2015Crash when destroying a pawn on the client. Reproduced in 4.8.1 and Main (//depot/UE4/Promotable-CL-2610743). This is a regression: the crash does not occur in 4.7.6 Crash Report: [Link Removed] ...
Unexpected behavior when Actor Parenting in the World Outliner of a WP map
UE - World Creation - Worldbuilding Tools - World Partition - Nov 23, 2021Licensee reports the following in the UDN: There seems to be some other erratic behavior when using parenting in world outliner (i.e. drag and drop one actor on another one in world outliner).Since ...
Light baking of a ton of static meshes causes Swarm to crash.
UE - Foundation - Cpp Tools - Mar 25, 2019Light baking of a ton of static meshes causes Swarm to crash due to "Index was our of range". I confirmed that it can be reproduced with the sample project they sent us/ The error log I got is... ...
Virtual Memory leak when using specific rendering settings in the template project
UE - Rendering - Architecture - RHI - Dec 20, 2025When a project is run with these settings in a template project, untracked virtual memory increases. Cvars r.GBufferFormat 3 r.Lumen.TraceMeshSDFs 1 r.Lumen.TranslucencyReflections.FrontLayer.Enab ...
Crash assigning spline mesh on tiled landscape
UE - LD & Modeling - Terrain - Landscape - Jun 1, 2015Crash assigning mesh to spline on tiled landscape. ...
Import Source disappears in Textures after loading asynchronously loaded level
UE - Editor - Content Pipeline - Import and Export - Dec 15, 2015It looks like when reimporting a texture asset into the engine after loading a level, you will be confronted with the File Selection box and not the reimport successful notification. In fact if you ...
Blueprint improperly marked dirty when it contains a latent node with a byte enum
UE - Framework - Blueprint Editor - Sep 23, 2024In UE 5.4, when deleting actors in our levels, some blueprints will be mark dirty despite not having changed. We traced that down to FAssetRenameManager::CheckPackageForSoftObjectReferences. The af ...
MeshEditor Crashes When Tool is Selected
Tools - Aug 8, 2018MeshEditor Crashes When Tool is Selected. Found in 4.20 CL# 4233996 and 4.21 CL# 4258917 ...