Unreal Engine Issues
Unreal Engine Issues
[CrashReport] UE4Editor-Core.dylib!<Unknown>
OLD - Anim - Dec 31, 2015[Link Removed] ...
Crash in PCGComponent during file load for file with vegetation from placement tools
TM - Rendering - Jul 14, 2025Reported in SF [Link Removed] Client has a file that consistently crashes during loading in the PCGComponent.cpp that appears to be linked to placed vegetation. Crash occurs during file open and m ...
Spawn actor of class does not work in packaged game
UE - Gameplay - Blueprint - Jul 1, 2015Spawn actor from class does not work when playing in a packaged game. ...
When using seamless travel in combination with the console command "Server Travel LevelName" Event End play nodes do not get a chance to fire off
UE - Gameplay - May 20, 2015Licensee was having trouble removing widgets from the viewport on End play in the HUD blueprint. They were using Seamless travel for their game mode and they were changing levels with the console co ...
Crash while unloading a streaming level while spawned decals exist in the unloaded level
UE - Graphics Features - Aug 18, 2017When unloading a level containing a decal that is using a dynamic material instance the editor will crash. ...
HighResShot's bDumpBufferVisualizationTargets does not work on PNG output.
UE - Rendering Architecture - RHI - Jun 2, 2022If the same command is executed with 4.27, multiple screenshots will be saved. ...
Rewind debugger would crash when recording a character using Pose search
UE - Anim - Gameplay - Aug 8, 2025Our character is using the Pose search setup from GameAnimation content example. The architecture of the system is most the same with some new function that account for some input difference and sp ...
AI in sublevel calling actors in persistent level crash editor when sublevel is not visible
UE - AI - Aug 11, 2016If an AI is moving between points in the persistent level but is located within a sublevel and the sublevel is set to not visible, there is a chance that the editor will eventually crash. Setting Is ...
Mac editor mobile preview crash with MSAA on
UE - Platform - Mobile - Mar 1, 2021setting GSupportsTimestampRenderQueries=false or r.GPUStatsEnabled=0 can fix it ...
Skeletal Mesh motion vector are output only for the last sample of Spatial Sample Count
UE - Virtual Production - Tools - MRQ - Jan 24, 2025Skeletal Mesh motion vectors are output only for the last sample of Spatial Sample Count, while Static Mesh motion vectors are output in all samples. UDN: [Link Removed] Slack thread: [Link Remo ...