Unreal Engine Issues
Unreal Engine Issues
Crash when setting a bookmark after going live with Multi-User Editing
UE - Virtual Production - Apr 22, 2019When using Steam VR in combination with the Multi-User Editing plugin and the Virtual Production Utilities plugin the engine crashes when adding a bookmark while a server is running. ...
Crash When Copying Comment Box from a Blueprint to a Behavior Tree
UE - AI - Jun 8, 2016The editor crashes when pasting a comment box from a blueprint into a behavior tree. Found in 4.12.1 binary. Reproduced in 4.11.2 binary and Main CL 3005971 Source Context94 95 fo ...
Crash occurs selecting play in Vulkan Mobile Preview without sdk installed
UE - Graphics Features - Oct 18, 2016Was attempting to repro [Link Removed] in //UE4/Main when I hit the following crash ...
Crash when using AActor::Rename to change the Outer of an actor to a SubLevel
Tools - Apr 6, 2018Using AActor::Rename to change the Outer of an actor to a SubLevel will cause the editor to crash when the AActor is shown in the World Outliner. Regression?: Yes This does not happen in 4.18 but ...
[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. ...
Changing the channel name inside of the channel mask parameter node results in crash
UE - Rendering Architecture - Materials - Mar 4, 2020Changing the name of a channel inside of the channel mask parameter node results in a crash. ...
Editor Crash While Using "Snap to Floor" Shortcut on Some Foliage Instance.
UE - World Creation - Worldbuilding Tools - Foliage - Apr 15, 2019When pressing the End key to have a foliage mesh "snap to floor/surface" the editor will crash. Found in 4.21 CL# 4753647, 4.22 CL# 5660361, and 4.23 CL# 5898046 ...
Cancelling level save due to previous save crashes editor
UE - Foundation - Core - Sep 12, 2016If a level has been saved as two different levels and a new save initiated, the editor will crash if the overwrite is cancelled. Frequency 3/3 Regression (Yes) issue (does not) occur in 4.12.5 ...
Crash compiling a blueprint after changing a TMap value from Vector to Vector4
UE - Foundation - Core - UObject - Jun 29, 2020REGRESSION: Issue does not occur in 4.24 Crash occurs when the user changes a blueprint TMap value from Vector to Vector4 and then compiles the blueprint. This seems to only occur with TMaps, as ...
Datasmith re-import crash - UE4Editor-UnrealEd!UMaterialInstanceConstantFactoryNew::FactoryCreateNew
UE - Editor - Content Pipeline - Datasmith - Exporters - Feb 13, 2019From user:I'm getting repeatable crashes on re-imports after I've re-worked the models a bit in Max. The workaround now is to just delete everything from Unreal and do a fresh import, but as my o ...