Unreal Engine Issues
Unreal Engine Issues
Crash Typing Special Characters using US-International-PC keyboard in MacOS:10.10.4
UE - Platform - Apple - Aug 17, 2015Typing Special Characters using US-International-PC keyboard in MacOS:10.10.4 causes the editor to crash. ...
Crash when calling Get Material Slot Names node when using a static mesh component that does not have a specified static mesh
UE - Gameplay - Blueprint - Jul 24, 2017Editor crashes when trying to using get Material Slot Name on a static mesh component that has not has a static mesh specified. ...
Using "RecompileShaders All" while PIE crashes editor with an assert.
UE - Graphics Features - Nov 10, 2016I ran the command with no actual changes to shaders. Recompileshaders global and changed did not crash the editor. ...
Crash Occurs on Second PIE When Using Seamless Travel to Travel From One Map to Another That Contain the Same Sublevel
UE - Gameplay - Dec 6, 2016The editor is crashing on the second PIE attempt when using seamless travel to travel from one map to another when both maps contain the same sublevel. The travel is taking place using: PlayerContr ...
Functional Test framework crashes adding delegate instance when multiplayer PIE enabled
UE - Gameplay - Jun 18, 2015The Functional Test framework crashes when adding a delegate instance if multiplayer PIE is enabled. The crash occurs at the check code in the block below from ..\Engine\Source\Runtime\Core\Public\D ...
Niagara Crash After Adding More Than 20 Emitters to a System
UE - Niagara - May 24, 2019The Editor will crash after adding more than 20 Emitters to a system. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 6574378, 4.23 CL# 6599617 ...
Exception Crash When Moving Files
Tools - Apr 8, 2020Moving files to a sub-folder crashes the editor. ...
Crash when converting a Landscape to a Blueprint Class
UE - LD & Modeling - Terrain - Landscape - Aug 12, 2020The Editor crashes when attempting to convert a Landscape into a Blueprint Class. Looking back to //UE4/Release-4.24 cl 11590231, this option seems to be unselectable (see attached image), which lea ...
Sequence with restore state set is causing a "Fatal world leaks detected" crash
UE - Anim - Sequencer - May 14, 2025We recently had a few occurrences of crashes caused by a "Fatal world leaks detected" error when unloading a level (in a packaged game and in editor). I tracked down what was keeping a references t ...
Undoing the pasting of a copied node from the Blueprint Diff tools causes an access violation crash
UE - Gameplay - Blueprint Editor - Aug 24, 2017The editor crashes with an Access Violation if a node that was copied and pasted from the Blueprint Diff tools is removed via an undo. Regression?: No This issue also occurred in 4.16 Branches tes ...