Unreal Engine Issues
Unreal Engine Issues
Setting custom world settings blueprint in project settings causes editor to crash on open
UE - Gameplay - Aug 19, 2015If a blueprint based on a custom World Settings class is set in the project settings then the editor crashes on open ...
Crash when an empty Anim Composite is attached to a Mesh component of a BP actor in a Level Sequence
UE - Anim - Sequencer - Sep 27, 2024There is a crash that will occur when an empty Anim composite asset is being referenced in the Mesh component attached to a BP actor within a level sequence. Crash also occurs in Live 5.4.4 - not a ...
Crash when Listen Server Attempts ServerTravel in Play in New Editor Window
UE - Networking - Jun 9, 2015JamesG: New callstack on UDN thread points to UNetDriver::TickFlush Editor crashes if a listen server attempts to use the console command ServerTravel while in Play in a New Editor Window. CrashR ...
Crash when attempting to revert a Child blueprint from overriding its parent's function while it also has a child of its own
Tools - Dec 4, 2017When reverting the change of overriding a function from a blueprint's parent, the editor will crash if that blueprint has a child of its own. Regression?: No This also occurred in 4.16 ...
Crash when pasting category
UE - Editor - Workflow Systems - Oct 25, 2024The following code example will generate category rows with nullptr assigned to OnPasteFromTextDelegate which causes a crash if the user tries to paste onto a row. Once you have this code create th ...
Crash editor when open the level sequencer after updated 4.20
UE - Anim - Sequencer - Jan 8, 2019When migrating from the version before 4.20 to the version after 4.20, opening the level sequencer will crash. I think that there is a problem with conversion from SnapTimeInterval (FixedFrameInterv ...
[AI] Editor crashes when editing values of an FInstancedStruct's TArray inside of a BP
UE - AI - Jun 30, 2023While using a custom struct that contains a TArray member variable with FInstancedStruct, you cannot edit it in the editor without a crash. Other structs and types work as expected even if they deri ...
Compiling after copy/pasting Event Tick with references into function crashes editor
UE - Gameplay - Blueprint - Aug 29, 2016When pasting nodes with references to an event tick into a function then compiling the editor will crash. Regression from 4.12.5 Binary CL-3039270 Edit - TravisL: I was able to repro this crash o ...
Crash Occurs When Retargeting Mannequin Skeleton to Daz Studio Skeleton
OLD - Anim - May 8, 2018Crash occurs when the mannequin skeleton is retargeted to the Daz skeleton Does not occur in 4.18.3 ...
Crash when copying and making a button widget the root of a second widget blueprint
UE - Editor - UI Systems - Apr 13, 2021Pasting a button element from one Widget Blueprint into a second Widget Blueprint that has had its root Canvas Panel deleted results in a crash. The crash only occurs when the Canvas Panel is delete ...