Unreal Engine Issues
Unreal Engine Issues
Crash converting code project 4.7 to 4.8 ; Array index out of Bounds
UE - Gameplay - Blueprint - Jun 18, 2015Some users are experiencing a crash when converting their project from 4.7 to 4.8. From user reports it appears to be affecting those who have added code to their projects and created blueprints bas ...
Geometry collection marked as nanite has no fallback in cooked build when nanite is disabled
UE - Rendering - Architecture - Dec 11, 2023When geometry collection is set as nanite, there is no non-nanite render data cooked. This means that there is no fallback if the cooked build uses r.nanite 0. This used to work with some code worka ...
Android app will get crashed if it disable HDR and run with Vulkan API
UE - Platform - Mobile - May 17, 2018The backtrace is： F/DEBUG : backtrace: F/DEBUG : #00 pc 00070e22 /vendor/lib/hw/vulkan.msm8994.so (A4xCommandBuffer::HwProcessWorkload(QglWorkload*)+585) F/DEBUG : #01 pc 0004758d / ...
Mover plugin: Crash on UFloorQueryUtils::ComputeFloorDist() and other utility functions that assume the pawn uses a UCapsuleComponent
UE - Gameplay - Player Movement - Mover - Dec 4, 2025The following functions have been found to perform unchecked casts of the pawn's "UpdatedComponent" to class UCapsuleComponent, possibly resulting in crashes:UFloorQueryUtils::ComputeFloorDist()UGro ...
C++ Projects Crash in Mac OS 10.11 El Capitan when No Audio Device is Present
UE - Platform - Apple - Dec 22, 2015This issue has been reported by two different users with very similar circumstances: Both report the editor freezing when trying to compile UE4.10 C++ Projects running Mac OSX 10.11.1 if no audio i ...
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... ...
Cooker: When cooking all maps, all assets are cooked even if not referenced by any level
UE - Foundation - Core - Cooker - Feb 2, 2015I noticed that if you cook with -allmaps instead of specifying each map like -map=map1+map2..., that it seems to cook all assets in your game's content folder, whether or not it's used in any maps o ...
Spring Controller seems inverted/counter-intuitive
OLD - Anim - Nov 16, 2015Two different users have pointed out that the spring controls seem inverted and/or counter intuitive: The first post: https://answers.unrealengine.com/questions/328098/spring-controller-seems-to- ...
The Editor will crash on load if a class contains a CanvasRenderTarget2D that is set using CreateCanvasRenderTarget2D.
Tools - Oct 23, 2014Adding a CanvasRenderTarget2D* UPROPERTY to a class and setting it using CreateCanvasRenderTarget2D will cause the Editor to crash on load. CRASHREPORT: [Link Removed] UDN: This was also reported ...
Packaging with Blueprint Nativization Fails When a Struct and Interface Reference Each Other
UE - Gameplay - Blueprint Runtime - Feb 24, 2017Packaging with nativization enabled will fail when a struct and interface reference each other. Error Message: LogCompile:Error: Circular dependency detected for filename C:\Users\Sean's\Downloads ...