Crash when adding a streaming level to the world through Python

UE - World Creation - Worldbuilding Tools - World Composition - Aug 3, 2021

When using the Python plugin to add an existing level as a streaming level, the editor crashes. It seems that this happens regardless of what level is added or what the contents of that level are. A ...

Copying a Folder in Sequencer and later Pasting it inside Sequencer is resulting in loss of Components

UE - Anim - Sequencer - Aug 8, 2025

Copying a Folder in Sequencer and later Pasting it inside Sequencer is resulting in loss of Components. The pasted folder is not respecting the structure that was copied. This issue only happens on ...

Crash closing the TM_Landscape map in the editor

UE - World Creation - Worldbuilding Tools - Foliage - Apr 18, 2017

The editor is crashing after closing the TM_Landscape level This is a regression from 4.15.2 ...

Crash after Disabling Post Process Blueprint on a Skeletal Mesh

OLD - Anim - Aug 20, 2019

Changing the Anim Class in the Details Panel before Disable Post Process Blueprint can prevent the crash from occurring. Changing the Animation Mode does not seem to prevent this crash.  The conten ...

Converting a landscape to blueprint crashes editor

UE - Gameplay - Blueprint - Sep 17, 2015

Converting a landscape to a blueprint immediately crashes the editor. Frequency: 2/2 ...

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. ...