Exiting PIE after ejecting from pawn and opening a level sequence will crash the editor

UE - Editor - Workflow Systems - Oct 26, 2023

Editor crashes after ejecting from pawn and opening a sequence when ending PIE ...

Crash upon selecting CameraComponent in Sequencer when level is locked

UE - Anim - Sequencer - Aug 14, 2018

Selecting a Camera Component in the Sequencer window when the level is locked causes the Engine to crash.  This was reported and tested in 4.20.1 (CL-4233996). This was reproduced in 4.19.2 (CL-403 ...

Crash when two textures reference eachother as composite textures

UE - Texture - May 28, 2025

When (unintentionally) trying to set one texture as the composite texture of another, which itself is the composite texture of the first, a stack overflow occurs leading to a crash: in UTexture::Pos ...

[CrashReport] Crash on Mac - UE4Editor-IOSTargetPlatform.dylib!FIOSDeviceHelper::DoDeviceConnect()

UE - Platform - Mobile - Jul 20, 2017

This is a common crash affecting Mac users on 4.16, it has occurred since at least 4.14. Users have not provided any descriptions. ...

Crash when playing a HapticFeedbackEffect_Soundwave

UE - Platform - XR - Aug 30, 2016

Array is -1 indexed, causing a crash. Fix is already in Dev-VR. Integrate to 4.13.1 (CL 3106922) ...

Crash after entering DebugCreatePlayer console command on Sierra Mac in -game

UE - Graphics Features - Jan 18, 2017

This is a regression from 4.14.3 This crash does NOT occur in PIE or Standalone Game This does not occur on an El Capitan 10.11.6 MacbookPro or on Windows. ...

Assert Crash when Attempting to rename Vector variable with open split pins

UE - Gameplay - Mar 25, 2020

Assert Crash when Attempting to rename Vector variable with open split pins  ...

Activating the Cube Grid tool while a Level Sequencer is open results in a crash

UE - Graphics Tools - Modeling Tools - Mesh Editing - May 20, 2022

Activating the Cube Grid tool while a Level Sequencer is open results in a crash. ...

Crash selecting PIE after saving a blueprint exposed and used in sequencer

UE - Anim - Sequencer - Jun 17, 2016

Crash selecting PIE after saving a blueprint exposed and used in sequencer. Found this when looking into https://jira.ol.epicgames.net/browse/UE-31266 ...

Crash generating grass for landscape with XY offset map

UE - LD & Modeling - Terrain - Landscape - May 8, 2015

Landscape grass map generation crashes if the landscape component in question uses an XY offset map. --------- Fatal error: [Link Removed] [Line: 646] Rendering thread exception: Fatal error: [Lin ...