[CrashReport] UE4Editor_UnrealEd!FBlueprintCompileReinstancer::ReplaceInstancesOfClass_Inner() [kismetreinstanceutilities.cpp:1880]

UE - Gameplay - Blueprint Compiler - Oct 5, 2017

This is a somewhat common crash that has occurred throughout the 4.17 release. Users have not provided any description of their actions when the crash occurred. The callstack is similar to some ol ...

Always Relevant actor may replicate incorrect movement mode when the walkable floor becomes irrelevant

UE - Gameplay - Player Movement - Feb 26, 2024

When the character class is set to always relevant, if a client travels very far away from another character, such that the character is relevant but the component they're standing on is not (but al ...

PakFiles: Unmounting PakFile while requests are still in progress causes assertion failure in UnMount

UE - Foundation - Mar 31, 2022

[Link Removed] Licensee is using the chunk downloader. On Shutdown method of their GameInstance, they call FChunkDownloader->Finalize. When they quit the game (Alt+F4) during a chunck download an a ...

Crash when opening Post Process Material with Live Data Preview running in Profiler

UE - Foundation - Core - Feb 24, 2015

Edit: CrashReporter link: [Link Removed] When running the Session Frontend Profiler as a Live Data Preview and you open a Post Process material, the editor will crash to the desktop. Reproduced in ...

[CrashReport] TOctree<TVolumeLightingSample<3>,FLightVolumeOctreeSemantics>::TConstElementBoxIterator<TInlineAllocator<99,FDefaultAllocator> >

UE - Graphics Features - Oct 5, 2017

This Jira is a continuation of [Link Removed]. This is the same callstack which users are submitting, however the other Jira eventually got specific repro steps which were verified fixed in 4.17.0. ...

GetPackageLengthForCooking can be much larger than the actual file path length

Tools - Jul 10, 2019

If the file path with the asset contains a project name, the cooking file pathlength is incorrectly increased. The following code in ContentBrowserUtils :: GetPackageLengthForCooking causes this is ...

Access Violation - UMovieSceneFolder::PostLoad - Accessing freed memory

UE - Anim - Sequencer - Sep 19, 2024

A licensee has hit an access violation issue due to a movie scene containing a reference to an invalid child object binding. It triggers in the following method: UMovieSceneFolder::PostLoad // Vali ...

[CrashReport] UE4Editor_Persona!<lambda_e529d88d0657fbede17be1535bc6d479>::operator() [blendspacedetails.cpp:29]

OLD - Anim - Aug 14, 2017

This is a trending crash coming out of the 4.17 release. Users have not provided any descriptions of their actions when the crash occurred. The callstack is very close to https://jira.it.epicgames ...

[CrashReport] Assertion failed: !PinRef->bWasTrashed - UEdGraphPin::SerializePin()

UE - Gameplay - Blueprint - Sep 8, 2017

This is a common and longstanding crash that has affected more than 200 users since at least 4.15. This crashGroup was previously associated with [Link Removed], but that specific repro case has be ...

Player Controller does not handle multiple CharacterMovement movement modes

UE - Gameplay - Blueprint - Feb 6, 2018

From Bug Submission: The variable in the image I attached is unable to distinguish between multiple characters all possessed by the same player controller. So if one character has this variable set ...