Unreal Engine Issues
Unreal Engine Issues
Crash when opening or editing a DataTable with a Row Structure that contains a BodyInstance
UE - Simulation - Visual - Apr 5, 2024If a DataTable Asset is created with a Row Structure that contains a member variable of type BodyInstance, the Editor will crash when attempting to open it while it has no rows. It will also crash w ...
FName no longer equals FName_None when constructed with a trailing underscore and digits in range of 1-9
UE - CoreTech - Apr 15, 2025When an FName is created with a trailing underscore and any number of digits in the range of 1-9 the trailing digits are used as the internal number value for the FName lookup. This results in the F ...
LOD glitch when using Control Rig with Import Skeleton node
UE - Anim - Rigging - Control Rig - Aug 26, 2025In Unreal Engine 5.6 and Main, a glitch occurs when switching between LODs in a character setup that uses a Control Rig to dynamically load the skeleton hierarchy through the Import Skeleton node in ...
Set Material for a DM in the Construction script will result in a crash
UE - Simulation - Physics - Destruction - Jun 3, 2015Setting a material in a BP construction script after setting a DM will result in a crash. This will render the BP inaccessible once the project reloads. Opening the BP will result in an instant cras ...
The option to add a component to an Actor Blueprint from inside a child Actor Component BP isn't available
UE - Gameplay - Dec 16, 2015The option to add a component to an Actor Blueprint from inside a child Actor Component BP isn't available. Using Get Owner inside the Actor Component's Event Graph and then casting to the owning Ac ...
Avoidance Groups Not Being Properly Set
UE - AI - Jun 29, 2016Setting the avoidance group using the Set Avoidance Group node does not set the value of the group selected to true inside of the Avoidance Group struct. ...
Physics assets in blueprint react differently in sublevels
UE - Gameplay - Dec 16, 2015Physics assets within a blueprint react improperly when placed in a sublevel. This error can clearly be seen within a user's youtube video located here: [Link Removed] Note: The fan asset attac ...
UMG Widgets using User Interface Material Domain do not render on Android Devices
UE - Platform - Mobile - Jan 19, 2016When using a Blueprint Widget that has an image using a material in the User Interface Material Domain will not render when it's a newly created project in 4.11. However, if you were to copy a proje ...
Setting location of Child Actor inside of OnConstruct causes the ChildActor to leave behind non-referenced instances
UE - Gameplay - Feb 10, 2016If the ChildActorComponent on a mesh is attached to a component and then has its location set in the OnConstruct function, it'll leave behind non-referenced instances of itself. This is most apparen ...
Crash when toggling between Stereo on and Stereo off
UE - Platform - XR - Dec 22, 2016Crash when toggling between Stereo on and Stereo off after launching the game via right clicking the uproject. After toggling stereo on and off a few times, the session crahes ...