Fatal Error: Cast of Package to AnimGraphNode_BlendSpaceGraphBase failed when deleting an opened Blendspace node in a State graph

UE - Anim - Runtime - Anim Blueprints - Aug 10, 2021

When deleting a Blendspace or Blendspace 1D node in a state graph, after opening it, the editor crashes. It doesn't crash when deleting it before opening the Blendspace node. It also doesn't matter ...

Crash w. 'Serialized Class LinkerPlaceholderExportObject for a property of BlueprintGeneratedClass'

UE - Gameplay - Blueprint - Sep 25, 2017

I was attempting to repro [Link Removed]. I created a new Actor BP, placed it in the level, added a ref to it to the level BP (instead of the projectile approach in the repro), and tried to save my ...

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 when force deleting Dataflow Graph

UE - Editor - Workflow Systems - Jul 31, 2023

When force deleting a dataflow graph with the dataflow graph editor open it will crash the engine. This issue is occurring in Binary //UE5/Release-5.3 @ CL 26560699 This issue is occurring in Binar ...

Crash when importing material assigned to FBX with illegal characters through the Full Scene Importer

UE - Editor - Content Pipeline - Import and Export - Jun 21, 2016

If you have an illegal character (/ or ?) in your material name embedded with your FBX the editor will crash when using the new Full scene importer and selecting the Materials Tab. Tested in and ...

Error on Attempting to Save Map Containing Actor Sequence Component

UE - Anim - Sequencer - Sep 28, 2017

colored text+Link to screencast of repro steps: + [Link Removed] -May take some clicking around even between windows -Will not save after this -Does not affect 4.16 ...

[CrashReport] UE4Editor_D3D11RHI!FD3D11DynamicRHI::SetResourcesFromTables<FD3D11PixelShader>() [d3d11commands.cpp:1500]

UE - Graphics Features - Jul 5, 2018

User comments in crash group:Light exort crashSwarm agent crash.Building lighting 1496 #if !(UE_BUILD_SHIPPING || UE_BUILD_TEST) 1497 if (!Buffer) 1498 { 1499 ***** UE ...

[CrashReport] UE4Editor_DetailCustomizations!FBrushDetails::OnClassPicked() [brushdetails.cpp:306]

Tools - Nov 10, 2017

This is a trending crash coming out of the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred. Source Context296 // make sure the brushes are re ...

Rebuild and Clean options in Visual Studio fails compile

UE - Foundation - Build - Farm - Oct 20, 2016

Attempting to use Rebuild / Clean fails to compile. VS output shown in callstack. ...

CRASH: OS X frequently freezes when working with blueprints

UE - Platform - Apple - Dec 2, 2014

User complains of frequent crashes when using blueprints and has provided repro steps for one incident that tends to cause a crash. While we are not able to reproduce the issue here, the customer ha ...