Unreal Engine Issues
Unreal Engine Issues
Internal Compiler error when calling a custom enum in a struct from a blueprint macro
UE - Gameplay - Blueprint - Aug 6, 2015If a macro is referencing a custom enum within a struct and compiled after another output pin is removed, an internal compiler error will appear and the blueprint will not compile. ...
Landscape does not conform to splines correctly
UE - LD & Modeling - Terrain - Landscape - Feb 20, 2015When attempting to deform a landscape to landscape splines, the landscape often does not correctly conform to the spline and will appear through portions of the spline or the spline will "float" abo ...
In a Geometry Collection, enabling Nanite Fallback in a Nanite Enabled collection won't generate a Physics Body when Nanite is disabled
UE - Simulation - Physics - Destruction - Jun 30, 2025In a Geometry Collection, enabling Nanite Fallback in a Nanite Enabled collection won't generate a Physics Body when Nanite is disabled. To verify this, follow the steps provided in the Steps to Re ...
UMG class in Widget Interaction Component does not respond to OnClick in multiplayer environment
UE - Editor - UI Systems - Oct 5, 2016OnClick will not fire when interacted with a Widget Interaction Component. ...
Parent blueprint cannot cast 'self' to child blueprint - gets compile error on PIE
UE - Gameplay - Blueprint - Jan 8, 2015When attempting to cast a parent actor to a child actor, if the parent uses "self" as the target of the cast the blueprint will compile, but when PIE is pressed a compile error will appear. ...
Playing this project in Standalone, or packaging for windows, causes the new window to crash
UE - Gameplay - Dec 16, 2014When you attempt to play the user project in Standalone, or Packaging for Windows, the new window will crash and not play the game. Issue also occurs on Mobile. The project will not open. ...
Crash when applying Radial force to a BSP when Radial force is set to affect World static
UE - Simulation - Physics - Apr 10, 2019If a radial force component applies force to a BSP the editor will crash. The radial force will need to be set to affect world static objects. ...
UGameplayStatics::SuggestProjectileVelocity always fails if parameter set as ESuggestProjVelocityTraceOption::TraceFullPath
UE - Gameplay - Aug 29, 2016SuggestProjectileVelocity will always return false if ESuggestProjVelocityTraceOption is set to TraceFullPath. ...
Crash on Importing specific Animation Only FBX
Tools - Nov 16, 2015When importing the attached FBX file with only Animations, the editor will crash. The Same asset will import without error in 4.9.2 Crash Reporter BUGG: [Link Removed] ...
Android ETC2 Debug Builds Crash on Startup
UE - Platform - Mobile - Sep 9, 2020Android apps build with the debug configuration on ETC2 will crash on launch. ...