Unreal Engine Issues
Unreal Engine Issues
EQS Generators named "NewBlueprint" cause errors and crash
UE - AI - Feb 11, 2015Naming an EnvQueryGenerator_BlueprintBase derived BP "NewBlueprint" and deleting it causes new custom generators to not appear in the EQS. This can also lead to a crash when searching for the new ge ...
Crash retargeting animation with Virtual Bone
OLD - Anim - Oct 25, 2016Crash occurs when attempting to retarget an animation whose skeleton has a virtual bone. ...
Crash occurs when right-clicking in graph of a blueprint with a null parent class
UE - Gameplay - Blueprint - Mar 17, 2017REGRESSION No Crash occurs when the user right-clicks in the graph in a blueprint that has a Null parent class. ...
[CrashReport] UE4Editor_LevelEditor!SLevelViewport::BindShowCommands() [slevelviewport.cpp:1429]
Tools - Nov 10, 2017This is a longstanding but infrequent crash that has occurred since at least 4.16.1. Users have not provided any descriptions of their actions when the crash occurred. The callstack closely matche ...
Using collapse to function on an event binding causes a crash when that function is referenced in another class
UE - Gameplay - Blueprint - Nov 28, 2016Collapsing an event binding to a function results in a function that takes in a delegate as an input. This function existing ends up causing any references to this blueprint class in another class t ...
Packaging with plugins GearVR and GoogleVR together cause build failed with multiple definitions of GetHMD()
UE - Platform - XR - Sep 7, 2016Packaging with plugins GearVR and GoogleVR together cause build failed with multiple definitions of GetHMD(). Log attached for build error and error portion plugged into the callstack box. ...
Assertion trying to open packaged project on Linux: Default__MaterialInterface was listed as a fixed load order but was already processed
UE - Foundation - Core - Feb 20, 2017This might be related to [Link Removed]. ...
Crash on startup with a Blueprint deriving from an abstract class with a SpriteComponent
Tools - Feb 7, 2018Appears to be an issue with load order and the timing of when we populate the 'ShowSpriteCommands' and 'SpriteIDToIndexMap' containers, which we assert on if they're not the same size. The original ...
Editor crashes when opening a project that includes a plugin with more than two custom Volume classes
Tools - Jun 7, 2017Adding more than two custom Volume classes to a plugin results in any project that includes that plugin crashing when opening it in the Editor. There does not appear to be a problem with adding thre ...
Blueprint - Crash when a function takes an event as a parameter
UE - Gameplay - Blueprint - Oct 10, 2016Looks like maybe we aren't replacing the source delegate function (SignatureFunction) reference on the UDelegateProperty after recompiling the class - the function's owner name has the TRASHCLASS pr ...