Unreal Engine Issues
Unreal Engine Issues
Crash when hot reloading after adding HISM Component class
UE - Foundation - Cpp Tools - Hot Reload - May 15, 2017After adding a class based on "Hierarchical Instanced Static Mesh Component", any attempt to hot reload, from Visual Studio or within the editor, causes the editor to crash. Regression: No - crash ...
Editor crash on BP recompile with custom FRuntimeFloatCurve variable
UE - Gameplay - Blueprint - Nov 13, 2017When a class contains a FRuntimeFloatCurve variable, compiling a blueprint of the class causes the editor to crash once a key has been added to the curve and selected Regression: Yes, the provided ...
Creating multiple Scalar Parameter nodes with a different values will crash the editor
UE - Rendering Architecture - Materials - Mar 11, 2020This is a regression from 4.24.3 CL 11590370 This was discovered when ad-hoc from home I ran into this by running this set up https://docs.unrealengine.com/en-US/Engine/Rendering/Materials/HowTo/Cle ...
Clion isn't recognized on Linux
UE - Platform - Linux - May 4, 2020Setting CLion as the default IDE causes Unreal to not recognize it as a compiler. You are unable to compile C++ projects or create new ones with it set this way. This was reported and tested in 4. ...
crash at checkUERenderCommandPipeIsReplaying in RenderScenecpp
UE - Rendering Architecture - Jul 15, 2024Drawing a material to a render target when that material samples an RVT can cause an editor crash. In our testing, the check() did not always occur on the first PIE session, but would always occur ...
Inside the ViewportToolBar, the "Click to Expand" ComboButton works incorrectly with Display Scaling
UE - Editor - Applied Usability - Mar 12, 2025When Display Scaling is applied (e.g., 125%) and the Level Viewport is resized, the ComboButton in the SViewportToolBar does not behave as expected. Normally, the ComboButton hides when there is in ...
Collision is not generated for Planes
UE - Gameplay - Jan 30, 2017Single Planes do not generate collision on import or with the Convex Decomposition window. Workaround: box Collision can be added via the Collision > Add Box Simplified Collision. I checked as fa ...
Package build fails after disabling VR plugins
UE - Platform - XR - Mar 27, 2017Package build fails after disabling VR plugins and launching the project The error message that pops up is: Fatal error: [Link Removed] [Line: 353] Missing global shader FPixelShaderDeclaration, P ...
[CrashReport] UE4Editor_CoreUObject!UStruct::IsChildOf() [class.h:373]
UE - Gameplay - Jan 24, 2018Comments from users:I pressed Play while having a directional light selected in-editorChanged landscape collision mip level. ...
Not having sufficient permissions to save Rhino file after importing
UE - Editor - Content Pipeline - Datasmith - Importer - Aug 8, 2018When importing a Rhino 6 file that has a long filename, an error appears stating that there are insufficient permissions to save the file. ...