Build All Levels fails with duplicate level instances

UE - World Creation - Worldbuilding Tools - Level Instances - Jan 24, 2024

Crash-Connecting output of unspecified functions to pins on the material result node

UE - Rendering Architecture - Materials - Dec 6, 2017

Crash-Connecting output of unspecified functions to pins on the material result node. This does occur in Main at CL: 3792526 ...

Landscape Tool crashes on Layer Import

UE - LD & Modeling - Terrain - Landscape - Mar 12, 2020

The heightmap and weightmaps were created using Terresculptor, and exported in the correct format. If you import everything except the layermaps, the landscape is generated and the layers can be pai ...

Assertion fails when a struct is opened with a BP class reference stored and with that struct as a variable in the BP class that's referenced.

UE - Gameplay - Blueprint - May 10, 2022

Assertion fails when a struct is opened with a class reference stored and with the struct as a variable in the class that's referenced. A restart is required in order to see this occur. Repro Rate: ...

Crash occurs while replacing a Widget Component with a user created Text Block

UE - Editor - UI Systems - UMG - Aug 18, 2022

This is not a regression. Tested in //UE4/Release-4.27 CL18319896. The crash occurred. Crash occurs while replacing a Widget Component with a user created Text Block blueprint. ...

UE5 Main - Editor crashes when creating a Data Table

UE - Editor - Workflow Systems - Feb 14, 2022

Doesn't occur in UE5 Release or UE4.Can't attach logs/crash information I'm encountering an RHI crash within UE5 Main at the moment. This issue seems to be caused by a commit from last year that ...

Child Actor Component outputs error when child class is set to empty using blutility

UE - Gameplay - Blueprint - Nov 30, 2017

Child Actor Component outputs error when child class is set to empty using blutility I attached repro proj. ...

Ensures for Pixel and Vertex Shaders occur when running TM-ShaderModels with -onethread

UE - Graphics Features - Jan 20, 2017

Two ensures fire when opening the TM-ShaderModels Map in QAGame with the -onethread argument. The callstacks look identical with the exception that one is for a pixel shader and the other is for a v ...

[CrashReport] UE4Editor-D3D12RHI!FD3D12Viewport::PresentChecked(int) [D3D12Viewport.cpp:492]

UE - Rendering Architecture - RHI - Mar 29, 2019

Callstack is garbage past D3D12 calls but logging for visibility. Generated from CrashReporter ...