Unreal Engine Issues
Unreal Engine Issues
PCG crash when using Attribute Remove Duplicates on partitioned data if one of those sets of data is empty
UE - World Creation - Procedural Tools - PCG Graph - Jul 3, 2025Context: In PCG, the Attribute Remove Duplicates node can be used to remove duplicate attributes from an array. Problem: The licensee has observed that using the Attribute Remove Duplicates node ...
Crash Occurs When Opening a Second Sequence After Altering the First While Simulating in Editor
UE - Anim - Sequencer - Jan 30, 2018-When opening a second sequence after altering the one prior(locking and unlocking the camera) while simulating in the editor, leads to a crash -Did not occur in 4.19 Preview 1 -As for the link to ...
Attached Project Crashes on PIE and when Compiling or Attempting to Delete Third Person Character BP
UE - Gameplay - Blueprint - Nov 20, 2015In the attached project, there are crashes that occur in a few instances. When you open the Third Person Character BP, compiling or attempting to delete it will cause the editor to crash. Also, atte ...
Crash when Enabling 'Generate Mesh Distance Field' and Restarting Project
UE - Foundation - Core - Nov 2, 2016A user has reported that he gets a crash on his machine upon restarting after enabling the 'Generate Mesh Distance Fields' option within the Project Settings > Rendering options The callstack for t ...
Assigning a Material with a SceneTexture Node to a Particle System Crash
UE - Graphics Features - Jul 21, 2015Plugging in a SceneTexture:WorldNormal masked to RG into the Opacity of a Translucent Default Lit Material and assigning this material into a Particle System will crash the editor. Crash Reporter: ...
Crash when using Consolas font on Android SDK 24
UE - Platform - Mobile - Mar 29, 2017A licensee reported that using the Consolas font on Android will cause the game to crash. I've narrowed it down to only occurring in the Android 24 SDK and on the ASTC configuration. Using Android(A ...
Editor crashes when using PCG SpawnActor with a DataLayer inside a Level Instance
UE - World Creation - Procedural Tools - Jun 4, 2025A PCG actor is assigned to a DataLayer and placed inside a Level Instance. Then that Level Instance is placed into a World Partition map. When the SpawnActor node in the PCG graph is set to MergePCG ...
Crash While Compiling Blueprint in FBlueprintEditorUtils::RefreshExternalBlueprintDependencyNodes()
UE - Gameplay - Blueprint - Jun 7, 2016Having an actor blueprint (A) that contains an array variable of references to another actor (B) that is connected to a Length node and a Vector array that is connected to a ForEachLoop causes bluep ...
Trying to load a missing map causes a crash in a packaged game
UE - Gameplay - Blueprint - Mar 30, 2017This jira was originally filed for "Calling a remote event on a streaming level appears to cause a crash in a packaged game" but the actual crash reproed has to do with trying to load into a nonexis ...
Crash after adding an AI Perception component to a parent and child character
UE - Gameplay - Sep 14, 2017Crash after adding an AI Perception component to a parent and child character. First they both must have had AI Perception components > Compiled and saved > Then both AI Perception components delete ...