Unreal Engine Issues
Unreal Engine Issues
Blackboard interaction crashes engine
UE - AI - May 15, 2015User Description: "I'm trying to implement AI and following zoombapup's Guard AI YT tutorials. Whatever I do within Blackboard crashes the engine. Yes even a single click on Self key. Here's the dum ...
HLOD generated proxy doesn't create or assign target lightmap coordinate index any longer
UE - World Creation - Worldbuilding Tools - HLOD - Sep 6, 2016There are instances where HLODs will either generate a lightmap but not assign it to the correct Lightmap Coordinate index from the target lightmap setting in the HLOD outliner or the Lightmap will ...
UI_BUILD_SHIPPING_EDITOR not defined warning occurs when building for Android
UE - Platform - Mobile - Jan 18, 2017The following warning occurs when building a project for Android in the Test configuration. LogPlayLevel: UnrealBuildTool: [119/283] clang++ Module.Core.4_of_8.cpp [armv7-es2] LogPlayLevel: Unreal ...
Unable to PIE + Crash after editing SColorGradingPicker
Tools - Jul 26, 2017Changing Color Grading settings of a post process volume and using "Enter" to commit changes prevents the editor from entering PIE / Simulate mode with the error message "Can't Play In Editor / Simu ...
Commonly used blueprint conversion functions should be promoted to top level category
UE - Gameplay - Blueprint - Nov 16, 2020Many useful blueprint utility nodes are buried in the Utility category and are not very discoverable by users. This leads to them choosing other nodes that are much less convenient and efficient. Th ...
Crash when opening a level with skeletal mesh asset from the map copied to the clipboard
UE - Foundation - Core - Jul 28, 2016Navigating to a level with a skeletal mesh asset from that level copied to the clipbard from the world outliner will cause the editor to crash. This can currently only be reproduced in the TM-Contac ...
Crash in Skeletal Editor due to null ActorFactory reference
OLD - Anim - Feb 1, 2017When a material is dragged/dropped into a skeletal editor's bone hierarchy, the editor will crash due to null ActorFactory Regression: Yes - Crash does not occur in 4.13.2 binary (CL 3172292) ...
Packaging fails after changing from Dynamic to Static Nav Mesh Runtime Generation
UE - AI - Feb 8, 2016If you package with Runtime Generation set to Dynamic and then switch to Static and attempt to repackage, the packaging will fail with the following error message.[2016.02.08-16.18.14:511][217]MainF ...
Thare are some case in which KeepState doesn't work propely if level sequence have multiple Shot and Transform Tracks
UE - Anim - Sequencer - Feb 16, 2021if fulfilling following conditions, KeepState setting of transform track doesn't work.level sequence have 3 or more shot have camera track and actor track have transform tracktransform track of acto ...
Opening Materials and Material Functions with Vertex Interpolator node Results in Crash
UE - Graphics Features - May 23, 2018Per Licensee: Hello, We are migrating our project from 4.18 to 4.19.2 and we are encountering various crashes while opening our material and material functions. I'm adding a simple test case here. ...