Unreal Engine Issues
Unreal Engine Issues
Crash When Setting a Bool in a Niagara Parameter Collection via Blueprint
UE - Niagara - Feb 26, 2019The Editor will crash when setting a bool in a Niagara Parameter Collection via Blueprint. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5159901, 4.23 CL# 5194133 ...
Package game and standalone game crashing (possibly related to UE-6766)
UE - Gameplay - Dec 23, 2014Crashes in UGameplayStatics::GetPlayerController, probably because World is NULL. When you package this vehicle game setup or play in standalone, the game will crash. 4.6.1 release crash (Standalo ...
Clothing Data Cannot Be Created If The Old Data Was Deleted While Applied
UE - Simulation - Physics - Character - Jan 16, 2020When you delete clothing data on a skeletal mesh before removing it you cannot apply new clothing data. The engine still thinks that there is clothing data is applied. I tested using the Paragon: Tw ...
Changing the Curve Asset in a Material Instance That Uses a Material Layer Crashes the Editor
UE - Graphics Features - Apr 22, 2019Changing the Curve Asset in a Material Instance That Uses a Material Layer Crashes the Editor. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5660361, 4.23 CL# 5974510 ...
Alembic Geometry Cache is corrupted on reopening of project leading to crash
UE - Foundation - Core - Dec 20, 2016Alembic Geometry Cache crash when re-opening the project and a map that contains this asset or adding it to any existing/new levels will instantly crash the editor. This asset works correctly in the ...
Window to select Skeletal Mesh does not pop up when editing a new IK asset
UE - Anim - Rigging - Retargeting - Apr 26, 2023When opening a new IK rig, the window that prompts the user to select a skeletal mesh does not open immediately. However, a skeletal mesh can still be selected in the details panel in the IK window. ...
Web Remote Control Plugin missing from plugin window
Docs - Sep 13, 2019Remote Control Plugin missing from plugin window. If you follow the instructions on this page they don't work due to the missing plugin. Searching "Web Remote Control" also doesn't find the plugin. ...
Copy/pasting a Custom Event that has input names containing spaces will create a Custom Event with extra inputs
UE - Gameplay - Blueprint - Feb 4, 2015Copy/pasting a Custom Event that has input names containing spaces will create a Custom Event with extra inputs. It appears that an input name with a space in it will be copied as two inputs, the fi ...
Exception generated launching Horde Agent built with 5.6
UE - Foundation - Horde - Server - Jul 28, 2025The source of the problem seems to be using IOptionsSnapshot with a Singleton. Per the MS documentation for IOptionsSnapshot, "Is registered as Scoped and therefore can't be injected into a Singleto ...
Duplicated Blueprint Causes Incorrect Target for Events
UE - Gameplay - Blueprint - Oct 15, 2015Duplicating a blueprint that has a node hooked up to BeginPlay causes the BeginPlay in the duplicate blueprint to target the original blueprint. This does not appear to affect functionality. Occur ...