Unreal Engine Issues
Unreal Engine Issues
Reimporting Static Mesh LODs yields unexpected material assignments
Tools - May 24, 2018Reimporting an asset after making changes causes loss of saved LOD changes when editing a static mesh. Similar issue was logged and fixed for SkeletalMeshes but this issue is still occurring for ...
Incorrect relative location on client under certain attachment conditions
UE - Networking - Nov 30, 2021An attached actor's relative location isn't correct on the client when the actor has its position changed to that of the parent actor before attaching with the "Keep World" location rule. On the cli ...
Numerous LogMetal: Warning: AsyncCopyFromBufferToBuffer on overlapping ranges Warnings
UE - Graphics Features - Mar 13, 2018Numerous LogMetal: Warning: AsyncCopyFromBufferToBuffer on overlapping ranges Warnings Warnings do not appear to be linked to any visual/performance problems in the editor. Could be safely ignored. ...
Foliage's Landscape Layers are not reflected when Landscape is rotated
UE - LD & Modeling - Terrain - Landscape - Feb 19, 2020This problem seems to occur because Rotation is not taken into account when calculating Weight. I have confirmed that it can be solved by calculating the rotation as follows.float ULandscapeCompone ...
Crash when applying a LandscapeVisibilityMask material to a Landscape's material slot
UE - LD & Modeling - Terrain - Landscape - Apr 28, 2017Crash that occurs when applying a masked material (with LandscapeLayerBlend and LandscapeVisibilityMask) to a Landscape's material slot. This is a regression: broken in 4.16.0 CL 3405315 worked in ...
Editing an instanced variable that is nested in two other instanced variables causes a crash
UE - Gameplay - Blueprint - Jul 2, 2015If a user edits a instanced variable which is nested inside two other instanced variables in blueprint editor, a crash will occur ...
Changing LOD materials on Merged Actors Crashes Editor
UE - Gameplay - Sep 12, 2016If you merg actors with LODs with the setting LODSelection Type set to "Use all LOD levels" then apply a material to the element 0 assigned to LOD1 the engine will crash. NOTE I wasn't able to rep ...
[CrashReport] UE4Editor_Engine!UAnimMontage::IsValidAdditive() [animmontage.cpp:702]
OLD - Anim - May 19, 2016Error message: Stack overflow - code c00000fd (first/second chance not available) Source Context: 687 if (SyncGroup != NAME_None) 688 { 689 CollectMarkers(); 690 ...
Camera modifier blueprint used in another blueprint crashes editor (Assert failed in edit condition code in details panel)
Tools - Oct 14, 2019Changing the default values inside of a camera modifier blueprint when referencing it in another blueprint results in a crash. Tested in 4.21, 4.22, 4.23 and 4.24 ...
Editor Crash with corrupted asset when opening within level or via the content browser.
Tools - Jan 5, 2017Editor will crash when a skeletal mesh has been added to a level and then reopening the project later if you try and access this level. If you attempt to open the skel meshes in the content browser ...