Unreal Engine Issues
Unreal Engine Issues
Editor crashes when attempting to open the Window menu after recompiling a Standalone Editor Window plugin
UE - Editor - UI Systems - Slate - Nov 26, 2018Generated from CrashReporter Attempting to open the Window menu in the Editor after having used the Modules window to recompile a Standalone Editor Window plugin will result in the Engine crashing. ...
Niagara - When a Static Switch is used inside a Niagara Function Script with "expose as pin" disabled, its Selector variable is exposed as an input on function call nodes. However, this input incorrectly loses its "static" type.
UE - Niagara - Apr 7, 2025Consider a Niagara Function Script containing a Static Switch node with the "Expose as Pin" option disabled for its selector variable. When the function is called by another Niagara Function or Niag ...
Variables in Child Actor Template not Updating from Construction Script
UE - Gameplay - Blueprint - Sep 18, 2017Project showing the issue attached. Variables in child actor template not updating based on changes made in child actor's construction script. Per licensee, "I'm basically trying to make a child a ...
Visual Studio is required to create a new Blueprint script component
Tools - May 26, 2015If a user does not have visual studio installed, they are not able to create new Blueprint script components and are given the error message "No compiler was found. In order to use C++ code, you mus ...
Project with bStartInVR enabled and Paper2D plugin disabled, editor crashes on startup
UE - Platform - XR - Mar 11, 2017Project with bStartInVR enabled and Paper2D plugin disabled, editor crashes on startup ...
MaterialExpressionSubtract doesn't compile in plugins
UE - Graphics Features - Mar 23, 2016Adding the following code to a plugin source file prevents the associated project from compiling in visual studio whereas this code will compile successfully inside of a class added directly to the ...
WorldPartitionChangelistValidator incorrectly flags actors referencing the level script actor as invalid
UE - World Creation - Worldbuilding Tools - World Partition - Mar 23, 2026When validating a change list that contains an actor that references the level script in the world (e.g. it has an event bound on the level script graph) it will fail changelist validation 100% of t ...
Editor crashes when opening a project that includes a plugin with more than two custom Volume classes
Tools - Jun 7, 2017Adding more than two custom Volume classes to a plugin results in any project that includes that plugin crashing when opening it in the Editor. There does not appear to be a problem with adding thre ...
Error using Panoramic Capture Plugin with an absolute path
UE - Media Framework - Nov 17, 2023When using the Panoramic Capture Plugin to render 360-degree images, it is possible to specify the output directory of the generated files. This can be any absolute path, or any relative path starti ...
An Actor with Run Construction Script in Sequencer set to true doesn't render out correctly with Movie Scene Capture or Move Render Queue
UE - Anim - Sequencer - Mar 31, 2022An Actor with Run Construction Script in Sequencer set to true doesn't render out correctly with Movie Scene Capture or Move Render Queue. While previewing the Sequencer the actor moves as expected. ...