Unreal Engine Issues
Unreal Engine Issues
HydroErosion on landscape crashes on Linux
UE - Platform - Linux - Mar 13, 2015While on a Linux OS, the editor immediately crashes if the Hydro Erosion tool is used on a landscape. ...
Changing "Coordinate Light Map Index" When "Generate Lightmap UVs" Is Enabled In A Static Mesh Crashes Engine
Tools - Dec 31, 2019When altering "Coordinate Light Map Index" in a static mesh when "Generate Lightmap UVs" is enabled in LOD 0 the engine will crash or "Coordinate Light Map Index" will be set to 0. A demonstration ...
When a Sublevel has "Initially Loaded" set to true and "Initially Visible" set to false, the Editor will crash after exiting PIE
UE - Gameplay - Jul 31, 2018If you have a sub level with "Initially Loaded" set to true and "Initially Visible" set to false it will crash after exiting PIE. This issue was reported and tested in 4.20.1 (CL-4233996). It has ...
Crash when recombining Value Pin after swapping Target Wild Card pin from a Vector2D to a Vector on a Set By-Ref Var node
UE - Gameplay - Blueprint - Jul 18, 2022This is not a regression. Tested in //UE4/Release-4.27 CL18319896 Crash when recombining Value Pin after swapping Target Wild Card pin from a Vector2D to a Vector on a Set By-Ref Var node. ...
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 ...
When changing the size of detail panel for animation state in Animation Blueprint diff tool, GetSelectedProfileName will occur crash
OLD - Anim - Jun 24, 2020When trying to display BlendProfile property in Animation Blueprint diff tool, it will occur crash, because EditableSkeleton is null in SBlendProfilePicker::GetSelectedProfileName(). So, a followin ...
[CrashReport] Mac/Metal crash due to enabling Metal 2.0 on 10.12.6
UE - Graphics Features - Oct 26, 2017This is an early trending Mac/Metal crash coming out of 4.18. Mark.S: _Revised Statement: Users are trying to enable Metal 2.0 on 10.12.6. The iOS settings panel lets me show warnings about this st ...
Parameter distributions can be reset to None in Cascade Particle Systems, causing Cascade to Niagara conversion to crash the editor.
UE - Niagara - Apr 18, 2022Cascade to Niagara conversion causes the editor to crash due to any distribution parameter in the Particle Emitter being reset to none. Repro Rate: 4/4 Tested this in //UE4/Release-4.27 @ CL# 1831 ...
Nativized build will crash on launch if a nativized Actor-based Blueprint class includes an instanced subobject that references another instanced subobject but does not also own it.
UE - Gameplay - Blueprint - Jul 11, 2017Crash occurs because the generated ctor for the nativized Actor-based Blueprint class is incorrectly trying to recreate a default subobject it owns through another instanced subobject. ...
Nativized builds will crash on launch if a non-nativized Blueprint references a User-Defined Enum property in a nativized Blueprint.
UE - Gameplay - Blueprint - Jul 20, 2017EDL-related crash occurs on launch of exclusively-nativized build where a non-nativized BP references a User-Defined Enum property in a nativized BP. Related to [Link Removed], but this is a parall ...