Unreal Engine Issues
Unreal Engine Issues
Owner No See option does not correctly apply to widgets using screen space
UE - Editor - UI Systems - Aug 17, 2017When using the Owner No See option with Widgets, if the widget is set to display on the screen rather than the world, then the option does not affect the widget as intended. Other forms of changing ...
[CrashReport] Fatal error: Cast of nullptr to Object failed
UE - Gameplay - Oct 5, 2017This is a common and longstanding crash that has affected many users since at least 4.11. Source context not available (error in user code?). User DescriptionsI was duplicating a Set function in c ...
Niagara Vector Field CPU access Error prevents its use in projects
UE - Niagara - Jan 31, 2020Niagara VectorFields do not function properly since "Fix CPU Access" changes are not persistently saved. After every Editor restart or reopening projects, the Niagara-VectorField driven Emitter and ...
Rare assertion comes up when cooking if sequencer camera track has only additive transform track
UE - Anim - Sequencer - Mar 2, 2020If a camera track has only additive transform track, some functions return uninitialized F3DTransformTrackToken made by default constructor. It causes a rare assertion. Please take a look at F3DTra ...
Widget Blueprint breakpoints hit during a Tick event do not engage the debugger.
UE - Editor - UI Systems - Jun 13, 2024The user comment on the Salesforce issue " This is a regression from the behaviour in 5.3.X, and I've reproduced it in 5.4.0, 5.4.1, and 5.4.2. The specific issue/change that caused this regression ...
Ease node "Shortest Path" auto sets to true after closing and reopening editor
UE - Gameplay - Blueprint - Mar 9, 2015UPDATE: 3/10/2015 User reported manually adding a separate boolean value causes that value to automatically switch to true upon reloading editor as well. No current workaround is available. ======= ...
Get Blackboard Value with null input causes crash
UE - Gameplay - Blueprint - Jan 6, 2015Getting a blackboard value as actor and setting an actor to that on tick causes crash. The real issue here is that you can use a function in BP (in this case `UBTFunctionLibrary::GetBlackboardValue ...
.ini files for packaged games have their settings wiped clean every time the game is run.
The settings .ini files for games packaged for windows appear to be getting overwritten with blank files whenever the game is run. Even if settings are added to the .ini files manually, the files be ...
Cannot convert procedural mesh to static mesh with only 3 verticies
OLD - Anim - Feb 23, 2017It is not possible to use the Create StaticMesh button to create a Static Mesh from a Procedural Mesh with only 3 verts. The following if check is the reason:if (RawMesh.VertexPositions.Num() > 3 && ...
Precomputed Visibility incorrectly Culling Objects in Scene when Opening different Level
UE - Graphics Features - Jun 28, 2017Objects in a scene are randomly culled when building a level with Precomputed Visibility enabled, and opening another level that has already pre-built precomputed visibility. A couple of things wor ...