Unreal Engine Issues
Unreal Engine Issues
Editor crash when using PCG self pruning and complex collision
UE - World Creation - Procedural Tools - PCG Workflow - May 14, 2025While testing out pruning points based on collision, it was observed by the licensee that using complex collision seems to crash the editor. The editor crashes with the following error: ``` Asserti ...
Crash when Child Actor Component overlaps Parent static mesh inside of the blueprint editor
UE - Gameplay - Sep 21, 2015Crash when Child Actor Component, that is set to Destroy Other Actor on overlap, overlaps Parent static mesh inside of the blueprint editor Crash Reporter: [Link Removed] ...
Setting Runtime Generation to Static Resets Upon Closing and Re-opening Editor
UE - AI - Nov 23, 2015In Project Settings>Navigation Mesh, setting the Runtime Generation context menu to static reverts to dynamic if the project is saved, closed, and reopened. ...
Physics Constraint doesn't hold if one Component is used for constraint
UE - Simulation - Physics - Jul 22, 2015Physics Constraint doesn't hold if one Component is used for constraint User Description: Hello, I recently updated the project from 4.7.6 to 4.8.2 and the physics constraint don't seem to work an ...
[SM5] Material.usf Error when Previewing Material Function Output
UE - Graphics Features - Jul 21, 2016A user on the AnswerHub found an SM5 material error within his material function after following the tutorial below. [Link Removed] I followed the tutorial until I reached the point in which the e ...
Memory Leak When Hovering Over a Folder Containing Blueprints
UE - Editor - Content Pipeline - Content Browser - Jun 7, 2016Hovering the mouse cursor inside a Content Browser folder that contains blueprints causes the memory usage to steadily increase. This only seems to occur with blueprint assets in the folder. A use ...
Projects created outside root UE4 folder do not show up in Project Browser on Linux
UE - Platform - Linux - Nov 25, 2014If a user creates a new project on a Linux machine and specifies the project to be created in a folder outside of the root UE4 directory and /Documents/Unreal Projects/ folder, the project does not ...
Toggling variable on sub anim instance node clears its original value
OLD - Anim - Aug 8, 2016If the user enables Expose for a variable on a sub anim instance node, the original value of that variable is lost. ...
Particle Collision causes particles to snap away from collision location
UE - Graphics Features - May 5, 2016Particle Collision causes particles to snap away from collision location. [Image Removed] ...
Crash after Enabling Forward Shading on Mac and Creating/Editing Materials
UE - Graphics Features - Nov 18, 2016A crash occurs after enabling 'Forward Shading' on Macs. The crash is triggered after creating a new material and attempting to modify that material. Regression? No, this crash also occurs in the 4 ...