Unreal Engine Issues
Unreal Engine Issues
Editing an array config property via ProjectSettings can end up editing other platform config properties.
UE - CoreTech - May 27, 2024Platforms .ini config files can end up with incorrect data, due to how ProjectSettings manages the config data. On a Windows machine, if we open the ProjectSettings window, all the data is going to ...
Nanite can assert in ValidateFixupChunk: 'Assertion failed: HierarchyNodeIndex < Resources.NumHierarchyNodes'
UE - Graphics Features - Nanite - Aug 29, 2024Reported by a licensee. More discussion in the linked UDN case. "Sometimes the WorldPartitionBuilderCommandlet will fail after encountering this error:" Error: Assertion failed: HierarchyNodeIndex ...
Crash When Attempting To Change LOD1 Cloth Assigned
UE - Simulation - Physics - Character - Apr 12, 2017At 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, 2014Sprite 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, 2025Plugging 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, 2020From [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, 2018No user comments in the crash group ...
Closing the GPU Visualizer window on Linux causes the editor to crash
UE - Platform - Linux - Oct 21, 2015After 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, 2018Attachment 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, 2017Crash occurs when playing ShooterGame in editor. I could not reproduce this issue in Main. ...