Unreal Engine Issues
Unreal Engine Issues
Crash when hiding DataTable window and saving in DataTable Editor
Tools - Nov 20, 2017When adding rows to a DataTable that has its DataTable tab hidden or exited out, the Editor will crash when adding a row to the DataTable. This crash happens in 4.17, 4.18, and 4.19. ...
Toggling visibility of Sublevels on a server can cause a disconnect if Dynamic Actors exist in the sublevels.
UE - Networking - Aug 17, 2018The PackageMap / NetGuidCache appear to get into a bad state on Clients if the Server toggles level visibility of a sublevel. This can affect currently connected clients, as well as clients that jo ...
Ambient Occlusion decals ignore Receive Decals setting on meshes
UE - Graphics Features - Feb 13, 2020Adding an ambient occlusion decal material to a decal affects objects with "Receives Decal" disabled. Tested in: 4.23.1 CL#9631420 4.25 CL#11341939 ...
Engine Crashes When SubAnimInstance is set up and Master Sequence is Set to Spawnable
OLD - Anim - Oct 20, 2017Engine crashes when CharacterBP is dragged into the Shots track and Spawnable is checked and unchecked when character animation Blueprint has a SubAnimInstance set up. ...
Crash when moving landscape that contains landscape spline to sub-level
UE - LD & Modeling - Terrain - Landscape - Aug 4, 2017Crash when moving landscape that contains a landscape spline to another sub-level. User Description: The Editor crashes on copy and pasting a landscape spline over to another Level. Always rememb ...
Unloading a spawned Detour AI Controller using Level Streaming causes a crash
UE - AI - Oct 14, 2019In a Level Streaming setup, unloading a level that has spawned an AI Character with a Detour AI Controller causes a crash. This was reported and tested in 4.23 (CL-8386587). This was reproduced in ...
Crash when Undoing the change to a default class setting for widgets
UE - Editor - UI Systems - Sep 25, 2017The editor crashes when trying to undo a default class change for a child widget after that widget has been compiled. This did not happen in 4.16, it appears to be a regression. ...
Editor crash on blueprint compile that contains edited BP Struct
UE - Gameplay - Blueprint - Sep 11, 2017When a blueprint graph contains a "Make Struct" node for a blueprinted Struct, changing any pin's type causes the editor to crash when the blueprint is compiled. Regression: No - same behavior occu ...
Crash When Renaming a Duplicated Collapsed Node Graph With an Asterisk in the Name
UE - Gameplay - Blueprint - Sep 20, 2017A crash is occurring if you collapse a node and name the collapsed graph something that contains an asterisk. The crash occurs if you copy and paste the collapsed graph, then attempt to rename it. I ...
Importing Camera FBX into a sequence can crash with a headless editor
UE - Anim - Sequencer - Mar 19, 2021In a headless editor instance we will not be able to send toasts to the user, and we should not notify slate. The Sequencer Tools function library calls MovieSceneToolHelpers::ImportFBXCameraToExist ...