Unreal Engine Issues
Unreal Engine Issues
Crashes when copying an array of actors that implement an interface into an array of interface references
UE - Gameplay - Sep 17, 2019When assigning an array of actors that implement a specific interface to an array of the specific interface the engine crashes. This doesn't happen if the actor array is put through a for each loop ...
Material Editor Assertion Crash When Collapsing Material Attributes
UE - Rendering Architecture - Materials - Jul 14, 2022Collapsed material attribute nodes cause an editor assertion crash in the material editor when viewed or opened. Assertion failed: (Index >= 0) & (Index < ArrayNum): Array index out of bounds: 0 fr ...
Crash When Assigning a Static Mesh to the "Sample Static Mesh" Module
UE - Niagara - Jun 28, 2018When assigning a static mesh to the "Sample Static Mesh" module, the engine will crash as soon as you select a mesh and click "Fix Now". If the mesh already has CPU access enabled it will crash as s ...
Creating External Curve for a function's local struct variable causes editor to crash
UE - Gameplay - Blueprint - Sep 6, 2016Defining a FRuntimeFloatCurve inside a code based struct causes the editor to crash if the struct is added as a local variable to a blueprint function and the "Create External Curve" button is press ...
.glTF importer crash - UE4Editor-GLTFImporter!ImportStaticMesh
OLD - Enterprise - Nov 14, 2018Enabling the gLTF plugin and trying to import a glTF asset results in a crash. ...
MDL imported from Substance Source with Datasmith causes a crash
UE - Editor - Content Pipeline - Import and Export - Mar 8, 2019MDL downloaded from Substance Source causes a crash. This is reported on UDN by an Enterprise customer: https://udn.unrealengine.com/questions/487598/why-would-ue4-is-always-crashing-when-import ...
Crash when naming function parameter 'none'
UE - Gameplay - Blueprint - Aug 23, 2018Naming a parameter "none" will cause crash on compile. Asset may not be able to be reopened. Also confirmed in Main CL 4309299 ...
Handle fracturing a destructible mesh when the source mesh has been deleted without a crash.
UE - Simulation - Physics - Destruction - Jul 13, 2015When attempting to fracture a destructible where the source static mesh has been deleted we get a crash in APEX. APEX can't seem to find any root leaf nodes to begin fracturing upon. This does not ...
Crash when executing Rename Asset or Duplicate Asset and other functions in Scripted Actions
UE - Gameplay - Blueprint - Jan 8, 2019In Scripted Actions, if you execute a function after using Rename Asset or Duplicate Asset, it will crash. If you do not execute the function it will not crash. ...
Editor Crashes When Setting Location of Scene Component BP to World
UE - Gameplay - Blueprint - Dec 9, 2015In an actor blueprint with a scene component blueprint as its root, if you add a child object to the scene component blueprint, and then go into the scene component blueprint and set the location to ...