Unreal Engine Issues
Unreal Engine Issues
Adding Angular Impulse on Begin Play causes a Crash
UE - Simulation - Physics - Jun 29, 2016Calling Add Angular Impulse on BeginPlay causes the editor to crash. Workaround: Adding a short (.01s) delay after BeginPlay prevents the crash. Regression: No, crash occurs in 4.11.2 as well. ...
Particle memory can be corrupted leading to a crash
UE - Foundation - Core - Jan 7, 2019TMap<Bool is disallowed despite bool having a hash
UE - Gameplay - Blueprint - Nov 22, 2022Reproduced 3/3 times. User is unable to create a new TMap with bool key through Blueprints (which is the expected result). Issue is technically a Regression, as the ensure does not occur in //UE5/ ...
Blackboard interaction crashes engine
UE - AI - May 15, 2015User Description: "I'm trying to implement AI and following zoombapup's Guard AI YT tutorials. Whatever I do within Blackboard crashes the engine. Yes even a single click on Self key. Here's the dum ...
Opening blueprint debugger crashes editor
UE - Gameplay - Blueprint - Apr 29, 2016The editor crashes upon attempting to open the blueprint debugger through the Window menu. Frequency: 2/2 Regression (Yes) issue (does not) occur in 4.11.2 ...
Sequencer Playlist - Triggering a playlist will crash every other editor on a Multi-user session
UE - Virtual Production - Tools - Sequence Playlist - Nov 24, 2022[Link Removed] ...
Editor Crashes When Trying to Render Canvas From Blueprint
UE - Graphics Features - Feb 15, 2018This occurs in 4.19p but not in 4.18. Per User: As of current preview, there is no possibility to render in blueprint using canvas, (UCanvas::K2_DrawMaterialTriangle always ends up with assert in ...
Crash upon adding an Interface to a Blueprint that has a function name that matches the name of a variable in the Blueprint.
UE - Gameplay - Blueprint Compiler - Oct 13, 2017When you add an Interface to a Blueprint that contains a variable with the same name as one of the Interface's functions, the editor will crash upon compiling the blueprint. In 4.16, this only cause ...
Engine Crashes When Building Lighting if Precomputed Visibility Aggressiveness is set to VIS Max
UE - Graphics Features - Nov 30, 2017The engine crashes when building lighting if World Settings >> Precomputed Visibility >> Visibility Aggressiveness is set to "VIS Max." A Fatal Error message sometimes appears (screen shot attached) ...
Crash undoing in Montage editor with no montage sections
OLD - Anim - May 22, 2017Crash occur in the animation montage editor when the user does an undo action with no montage sections. ...