Crash When Attempting To Change LOD1 Cloth Assigned

UE - Simulation - Physics - Character - Apr 12, 2017

At times when trying to assign APEX cloth to LOD1 material the engine will crash. I got a 100% repro rate following the steps listed above. I have found some inconsistent errors when trying to rep ...

Sprite collision is inaccurate

UE - Gameplay - Paper2D - Oct 31, 2014

Sprite collisions do not accurately reflect the collision for the sprite. While the collisions are always the same between two of these, the collisions do not correspond to the shape of the collisio ...

Incorrect derivative ops detection when Add node is used with Nanite Pass Switch node in material graph

UE - Graphics Features - Mar 11, 2025

Plugging an Add node which adds a constant value into a Nanite Pass switch node results in derivative ops to be detected where there should be none (which show up as red in the No Derivative Ops deb ...

FIOSInputInterface::SendControllerEvents crash due to UIInterfaceOrientation call from game thread

UE - Platform - Mobile - Apr 29, 2020

From [Link Removed], licensee reports We believe that querying the UIInterfaceOrientation via UIApplication on the game thread is the issue here. We have made changes to IOSInputInterface.cpp and I ...

[CrashReport] UE4Editor_Engine!UpdateRefToLocalMatricesInner() [skeletalrender.cpp:202]

OLD - Anim - Mar 8, 2018

No user comments in the crash group ...

Closing the GPU Visualizer window on Linux causes the editor to crash

UE - Platform - Linux - Oct 21, 2015

After opening the GPU Visualizer window, pressing the "X" to close the window causes the editor to crash. ...

Failure to attach component in a non-nativized child Blueprint class to an inherited component from a nativized parent Blueprint class.

UE - Gameplay - Blueprint - May 30, 2018

Attachment will currently fail at runtime during load and/or construction if a component from a non-nativized child Blueprint is attached to an inherited component from a parent class that is nativi ...

Crash playing in ShooterGame

UE - Gameplay - May 15, 2017

Crash occurs when playing ShooterGame in editor. I could not reproduce this issue in Main. ...

Reflection capture crash in FindOrAllocateCubemapIndex

UE - Graphics Features - Mar 15, 2017

See UDN thread ...

[CrashReport] UE4Editor_DerivedDataCache!TArray<unsigned char,FDefaultAllocator>::ResizeGrow()

UE - Graphics Features - Sep 20, 2017

This is a somewhat common crash occurring in 4.17. Users have not provided any description of their actions when the crash occurred. Source Context 165 if (GWarn) 166 { 167 ...