Unreal Engine Issues
Unreal Engine Issues
Mover Plugin: UNavMoverComponent::GetFeetLocationBased() returns incorrect FBasedPosition when using WalkingMode over a Movable floor, making UPathFollowingComponent erroneously detect a blocked move
UE - Gameplay - Player Movement - Mover - Nov 12, 2025Function UNavMoverComponent::GetFeetLocationBased() on file "NavMoverComponent.cpp" returns an FBasedPosition built from an FRelativeBaseInfo. The "MovementBaseInfo" is read from key "CommonBlackboa ...
Internal Compile error received from rearranging Format Text nodes
UE - Gameplay - Blueprint - Dec 18, 2014Internal Compile error received from rearranging Format Text nodes Output Log of Error: LogBlueprint:Error: [compiler] Error Internal compiler error inside CreateExecutionSchedule (site 2); please ...
[CrashReport] Linux crash - /usr/lib/nvidia-375/libGLX_nvidia.so.0()
UE - Platform - Linux - Jul 27, 2017This is a common Linux crash that has occurred since at least 4.14. From LogLogEditorViewport: Clicking on Actor (LMB): StaticMeshActor (pared_cubos15) LogRHI: Timed out while waiting for GPU to ...
In some situations, a Blueprint can become devoid of an Event Graph. While no graphs are present, multiple variables can be created with the same name.
UE - Framework - Blueprint Editor - Aug 26, 2024In some situations, a Blueprint can become devoid of an Event Graph, or be created without one from the start. For example, function "FKismetEditorUtilities::CreateBlueprint()" in UE 5.4 does not ca ...
Hot reload causes placed actor to lose variable references
UE - Foundation - Cpp Tools - Hot Reload - Nov 9, 2017Preforming a hot reload causes placed actors to lose code based variable settings. More repro steps: 1. Open UE4Editor.exe 2. Create a First Person Code project 3. Build the project for Developme ...
AddOrUpdateWarpTargetFromComponent behaving incorrectly when using a SceneComponent with non-identity scale
UE - Anim - Gameplay - Jul 15, 2025When using AddOrUpdateWarpTargetFromComponent you can pass in a SceneComponent, Relative Location and Rotation as well as optionally choosing to have the warp target follow the object if it moves.If ...
Unable to pass TMap or TSet as a parameter for a UFUNCTION
UE - Foundation - Core - Mar 2, 2017Attempting to pass a TMap or TSet into a UFUNCTION as a parameter causes a compilation error. Removing the UFUNCTION declaration works. Error messages:2>D:\Unreal Projects\Main\MyProject14\Source\M ...
[CrashReport] FMacWindow::ApplySizeAndModeChanges | SWindow::Resize()
UE - Platform - Apple - Nov 21, 2017This is an infrequent Mac crash in the 4.18 release. The callstack is similar to [Link Removed] and originally thought to be part of the same issue, but that Jira has been fixed and many other simi ...
Property Editors fail to import text values for FKeys within array/set/map containers when the key is identified by some valid non-alphanumeric characters
UE - Gameplay - Input - Oct 28, 2024The FKey structure represents a user action input such as a keyboard key, a mouse button/wheel, or a gesture in VR. For the keyboard, it can represent any pressable key, such as letters, numbers, sy ...
[CrashReport] UE4Editor-SlateCore.dylib!SWidget::FindChildGeometry(FGeometry const&, TSharedRef<SWidget,()
UE - Editor - UI Systems - Slate - Jul 20, 2017This is a common crash affecting Mac users in 4.16, and going back at least to 4.11. This seems to be a continuation of [Link Removed], which was closed as cannot repro. User Descriptionswas looki ...