[CrashReport] UE4Editor_Sequencer!TBaseMulticastDelegate<void>::RemoveDelegateInstance() [delegatesignatureimpl.inl:964]

UE - Anim - Sequencer - Oct 5, 2017

This is a slightly common crash coming out of the 4.17.2 hotfix. Users have not provided any descriptions of their actions when the crash occurred. Source Context 951 /** 952 * ...

[CrashReport] UE4Editor_MaterialEditor!CastChecked<UMaterialGraphNode,UEdGraphNode>() [casts.h:192]

UE - Rendering Architecture - Materials - Aug 31, 2016

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Access violation - code c0000005 ( ...

Getting Fullscreen or Windowed Resolutions doesn't fully execute on Linux

UE - Rendering Architecture - RHI - Oct 28, 2019

When using "Get Supported Fullscreen Resolutions" on UE when built with Vulkan, no values are printed out. This is an issue with any platform that builds UE with -vulkan, not just Linux.  In Engine ...

Constant Crashes on OS X 10.10.1

UE - Platform - Apple - Dec 15, 2014

User (Omri) on Mac running OS X 10.10.1. on MacBook Pro (17-inch, Early 2009 Experiencing Crash. Cannot reproduce. Crash Reporter: N/A Callstack: MachineId:1E07B9CE2F4554A7C3F421A9DD97AFB5 EpicAc ...

AIPerceptionComponent's DominantSense is not being used

UE - AI - May 25, 2015

It seems there's a bug in AIPerceptionComponent that results in information about dominant sense never getting processed and all derived data doesn't get set. DominantSenseID doesn't get set. ...

FMultiReaderSingleWriterGT isn't thread safe

UE - Foundation - Core - May 17, 2016

From https://udn.unrealengine.com/questions/292741/fmultireadersinglewritergt-isnt-thread-safe.html: I've found that FMultiReaderSingleWriterGT has at least 2 bugs: The one that caused a deadlock ...

LIVE: EDITOR: CRASH: Editor crashes on iPad4 when attempting to draw a texture that is 2048x1536

UE - Platform - Mobile - Oct 14, 2014

Build: 4.5.0-2316912 Description: .exe crashes on iPad4 when attempting to draw a 2048x1536 texture to the HUD Frequency: 2/2 Repro: [Reproduced Internally] 1. Download attached texture file. 2. Ope ...

Modules tab is "unrecognized" if editor restarts with it open

Tools - Apr 16, 2015

If you open the Modules tab and then close the editor and reopen it, where the modules tab was now becomes an "unrecognized tab". [Image Removed] ...

Generating Lightmap UVs doesn't automaticly switch LightMapCoord Index

Tools - Jul 17, 2015

When Import a meshes then open the staticmesh editor and turn on the "Generate Lightmap UVs" in the Build Settings. Then hit apply button to genereate the Lightmaps. It will generate the Lightmap bu ...