Unreal Engine Issues
Unreal Engine Issues
[CrashReport] Assertion failed - FAssetEditorManager::OpenEditorForAsset()
UE - Anim - Sequencer - Jul 20, 2017This is a common crash affecting users in 4.16. Unfortunately they have not provided any additional information ...
Game start slowing down when there are more than 10 sprites in the level
UE - Gameplay - Paper2D - Apr 10, 2018Sprites seem to be drastically affecting FPS in 4.19 projects on Mac devices. ...
"Assign" node can cause a crash when placed in a graph
UE - Gameplay - Blueprint Compiler - Apr 26, 2022This may only happen with upgraded projects that went from 4.27 up to 5.0.1 ...
[CrashReport] UBlueprintGeneratedClass::AddReferencedObjectsInUbergraphFrame()
UE - Gameplay - Blueprint - Nov 2, 2017This is a common engine crash that has occurred since at least 4.16. Users have not provided any useful descriptions of their actions when the crash occurred. The callstack shares some similaritie ...
FIndexedCurve::ScaleCurve returns invalid results
UE - Anim - Runtime - Feb 13, 2025Calling SetKeyTime in iterating KeyHandlesToIndices array can modify the array order, so it breaks the iterator. Perhaps ShiftCurve also has the same problem. Here is a work around: void FIndexedCu ...
Viewport has graphical glitch while editing but not in PIE
Tools - Feb 6, 2015User has a project that the viewport has gotten corrupted. The icons are now no longer camera facing and are facing in the positive y axis. The sun disc and sky are blurred. When PIE everything rend ...
Hot reloading newly created C++ project compiles modules
UE - Foundation - Core - Apr 25, 2017This is a regression from 4.15.2 and occurs on both Windows and Mac. Affects both Binary and Github builds. ...
Crash on draw material to rendertarget
UE - Graphics Features - May 5, 2017This crash has started occurring in 4.15.2. It seems to be a regression from 4.15.1. ...
CLONE - Crash on draw material to rendertarget
UE - Graphics Features - May 19, 2017This crash has started occurring in 4.15.2. It seems to be a regression from 4.15.1. ...
Crash when adding Emitter in parameters in Niagara
UE - Niagara - Jun 7, 2018When adding an emitter to a Niagara System, in 4.20 Preview 1, the Editor freezes up and crashes. ...