Adding an actor with a default property track immediately after opening a sequence will crash the editor

UE - Anim - Sequencer - Aug 14, 2020

If an actor has default property tracks set up in the Project Settings, adding that actor to a level sequence through C++ will crash the editor. This seems to stem from the creation of the default p ...

Media Player Causes Game To Crash On IOS When Loading Video Multiple Times

Media Framework - Feb 2, 2017

On the iphone 6+ it appears that videos played, then unloaded, then reloaded, and played again using the media player will cause a game crash given enough time. This behavior doesn't seem to occur ...

Editor crashes if Timeline Play Rate node is copied/pasted in blueprints

UE - Gameplay - Blueprint - Jan 27, 2015

Editor crashes when Timeline Play Rate node is copied/pasted. Frequency: 2/2 Crash Reporter: [Link Removed] Callstack: MachineId:4E82586D46B558EA69EF0EAA821297B1 EpicAccountId:1558531203f84e81 ...

Crash accessing a non-empty TSet or TMap local variable in a blueprint function

UE - Gameplay - Blueprint - Mar 6, 2017

Getting a crash when trying to access a non-empty TSet or TMap local variable in a blueprint function. This is only occurring with local variables. The issue also does not occur if the TSet or TMap ...

Editor Crashes when working in QAGame TM-Sequencer_EventTrack - TCString<TCharType>::Strlen(InName)

UE - Anim - Sequencer - Jul 12, 2017

Editor Crashes when working in QAGame TM-Sequencer_EventTrack - TCString<TCharType>::Strlen(InName) This Assert happens randomly throughout the repro-steps. I am unsure what about the process cause ...

Crash occurs while animating a control rigged actor in sequencer when drag selecting the actor in a orthographic view

UE - Anim - Sequencer - Dec 8, 2021

This is a regression Tested in 4.27.2 Drag selecting a control rigged actor while in an orthographic view causes the editor to crash. ...

Crash when closing the timeline tab inside UMG editor and reopening UMG editor

UE - Editor - UI Systems - Aug 16, 2016

Crash when closing the timeline tab inside UMG editor and reopening UMG editor Reported here:https://udn.unrealengine.com/questions/307297/umg%E3%82%A8%E3%83%86%E3%82%A3%E3%82%BF%E8%B5%B7%E5%8B%95% ...

[AI] Crash in UGameplayDebuggerLocalController::OnDebugDraw

UE - AI - Debugging - Apr 27, 2024

UGameplayDebuggerLocalController::OnDebugDraw crashed with a dereferenced nullptr for CachedReplicator. ...

[CrashReport] Crash on Mac due to uncaught exception 'NSRangeException' - NSCFConstantString characterAtIndex

UE - Platform - Apple - Jul 27, 2017

This is a common and longstanding community crash on Mac. Users have not provided descriptions when they crash, so additional information is currently not available. A log file is attached. Callsta ...

Actor Class Reference can take invalid Value, can lead to crash

UE - Gameplay - Blueprint - Oct 4, 2017

REGRESSION: Can be certain as this testing was blocked by [Link Removed] Through a specific chain of events (see repro), it's possible to have a non-actor as the value for an Actor Class Reference, ...