Unreal Engine Issues
Unreal Engine Issues
Crash when playing with Vulkan Mobile Preview
UE - Platform - Mobile - Sep 21, 2017Occasionally getting a crash when playing with Vulkan Mobile Preview. Have not had it repro 100% of the time. ...
Crash Occurs when changing the 'Max Metal Shader Standard To Target' option within iOS Project Settings
UE - Platform - Mobile - Jan 26, 2017A crash occurs when setting the Max Metal Standard Shader version within the Project Settings for iOS. I tested on both Mac and PC and the crash occurs on both machines. Regression? No, this is not ...
QAGame crashes on launch for Mac
UE - Graphics Features - Aug 30, 2016Crash when compiling shaders on Mac. Issue is most reproducible when running a standalone PIE instance. Even though running in -game is similar and will crash if all shaders for the map loaded are n ...
Crash with FBX Import as Skeletal Mesh
UE - Editor - Content Pipeline - Import and Export - Nov 22, 2016Using the test asset provide the editor will crash when changing the import to Skeletal Mesh. This is a regression from 4.13 where this could be imported as Skeletal Mesh without issue. In 4.14 an ...
Engine Crashing with AMD R9 2 and 3 Series Cards
UE - Graphics Features - Sep 23, 2015Multiple users are reporting crashes in the Engine when using an AMD R9 380 and 390 series cards. There was a request to have these cards added to compat lab for testing, but have not heard any upd ...
Editor crash switching active level
UE - Gameplay - Aug 16, 2016Editor Crash when switching from a level to its sublevel. The sublevel contains an instance of an actor that references a character actor. See UDN for full context. Orignal UDN:https://udn.unrealen ...
Crash when Saving Level after Successfully Building with Lightmass on Large Landscapes
UE - LD & Modeling - Terrain - Landscape - Jan 4, 2017A crash occurs when attempting to save a level after building static lighting for a large landscape. I was originally investigating a memory leak issue with landscapes, and the user provided the pa ...
Pasting a folder on the Outliner while LightMixer and ViewChanges windows are open/docked crashes the Editor
UE - Virtual Production - Jun 12, 2025When both LightMixer and ViewChanges windows are open, pasting a folder into the Outliner crashes the editor. For more detailed steps, refer to the Steps To Reproduce section. This happens whenever ...
Editor crashes when attempting to open maps and modes subcategory after changing player pawn from migrated content folder location that gamemode is referencing
UE - Gameplay - Blueprint - Feb 6, 2015The editor crashes when a user attempts to open the maps and modes subcategory of project setting while using a gamemode from migrated content, then moves the player pawn in the content browser to a ...
Crash in UDataTable::RemoveRow(FName RowName)
UE - CoreTech - Jun 13, 2025This is a regression, the crash seem to have been introduced by CL 40129784 on ue5-main and persists in latest. Function UDataTable::RemoveRow(FName RowName) uses macro DATATABLE_CHANGE_SCOPE_SINGL ...