Crash Occurs When Attempting to Resume Execution After Hitting a Breakpoint in a BT Task

UE - Gameplay - Oct 6, 2017

When a breakpoint is hit in a BT Task, if you attempt to use CTRL+P to search for and open the BT the task is being run in, try to resume execution, and then return to the original BT Task Blueprint ...

Crash adding input pose node to animation State

OLD - Anim - May 26, 2020

Crash occurs when the user adds an Input Pose node to a State graph in an Animation Blueprint. ...

Packaging failed after create EditorUtilityBlueprint asset inherited EditorTutorial class

UE - Editor - UI Systems - Oct 14, 2021

Whenever creating the EditorUtilityWidget asset with EditorTutorial as the parent class, the packaging will fail. If the tutorial is not launched the package will succeed. But launched, it will fail ...

Niagara Scalability Crash When Processing Significance

UE - Niagara - Jun 4, 2025

Method FNiagaraScalabilityManager::ProcessSignificance() iterates on indices from Context.SignificanceIndices and uses them to access the State and ManagedComponents arrays. It can then decide to cr ...

Opening Persona causes editor to crash on Linux

UE - Platform - Linux - Nov 17, 2016

Attempting to open a skeletal mesh or animation in Persona causes the editor to crash. Regression: Yes Working: 4.13.2 - CL 3172292 Broken: 4.14.0 - CL 3195953 ...

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. ...

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 ...

Nativized packaging fails when attaching paper Flipbook component to a parent paper Flipbook component that is Inherited.

UE - Gameplay - Blueprint - Jan 8, 2019

Nativized packaging fails when attaching paper Flipbook component to a parent paper Flipbook component that is Inherited. ...

[CrashReport] UE4Editor_CoreUObject!FWeakObjectPtr::Get() [weakobjectptr.cpp:81]

UE - LD & Modeling - Terrain - Landscape - Nov 2, 2017

This is a trending crash coming out of the 4.18 release. It may be a regression. Users have not provided any descriptions of their actions when the crash occurred. Source Context 66 if (!S ...

Occasional crash when attempting to in-app purchase on Android device

UE - Online - Apr 21, 2021

App is frequently terminated with a NullPointerException when attempt to request in-app purchase. It is assumed that product information cannot be retrieved if there is no Google account logged in t ...