Crash When Renaming a Duplicated Collapsed Node Graph With a Period in the Name

UE - Gameplay - Blueprint - Feb 3, 2017

A crash is occurring if you collapse a node and name the collapsed graph something that contains a period. The crash occurs if you copy and paste the collapse graph, and then attempt to rename it. I ...

Assigning FSoftObjectPath to null entry in Blueprint Trips ensure on Compile/Load

UE - Gameplay - Blueprint Editor - Apr 21, 2022

[Link Removed] Able to set default values for Sequence & Map variables for a Movie Pipeline Executor Job causing an Ensure & Crash. Repro Rate: 4/4 Tested this in //UE4/Release-4.27 @ CL#18319896 ...

Setting the sequence of a Level Sequence Actor after playing a sequence with an event will crash if played

UE - Anim - Sequencer - Mar 9, 2023

The editor crashes trying to find an event on the other level sequence when playing back the new one. ...

Blueprint interface function with the same name as a node gets fused

UE - Gameplay - Blueprint - Nov 29, 2017

Creating a Blueprint interface and changing its function name causes a crash when using the undo button to change the name back. ...

Editor Utility Widgets: Asset creating nodes' output pins in uber graphs cause asset deletion warning

UE - Framework - Blueprint Runtime - Oct 8, 2024

Editor Utility Widgets (EUW) can be used to script editor behavior. One use case is the automation of asset creation. A licensee has reported that when an EUW is used to create an asset, for as lon ...

Parameter distributions can be reset to None in Cascade Particle Systems, causing Cascade to Niagara conversion to crash the editor.

UE - Niagara - Apr 18, 2022

Cascade to Niagara conversion causes the editor to crash due to any distribution parameter in the Particle Emitter being reset to none. Repro Rate: 4/4 Tested this in //UE4/Release-4.27 @ CL# 1831 ...

OnlineServices-Lobbies: Crash when host migration message is received and the next host has already left the session

UE - Online - Sep 9, 2024

A crash occurs at FindChecked in the code below.if (PreparedServiceChanges->OwnerAccountId) { InternalPublicData->OwnerAccountId = *PreparedServiceChanges->OwnerAccountId; if (bDispatchNot ...

Crash when mousing over array parameter in Blueprint function graph while debugging

UE - Gameplay - Blueprint Editor - Mar 3, 2020

Mousing over an array input inside a Blueprint function can lead to a crash. For this to occur, the first parameter of the function must be a User Defined Struct.  ...

Assertion thrown when connecting a World Position node to the time input of a Panner node then connecting it to Base Color

UE - Rendering Architecture - Materials - Apr 20, 2022

Assertion thrown when connecting a World Position node to the time input of a Panner node then connecting it to Base Color. This is a regression. ...

Crash importing SOLIDWORKS model

UE - Editor - Content Pipeline - Datasmith - Importer - Aug 1, 2018