Unreal Engine Issues
Unreal Engine Issues
Physics Constraints do not have the same values if they are part of an 'Always Loaded' level
UE - Gameplay - Dec 3, 2014Physics Constraints do not have the same values if they are part of an 'Always Loaded' level. They will work correctly in the Persistent level and a level that is Streamed in. This becomes problem ...
Oculus crash on "stereo on" when the proximity sensor is not triggered.
[Link Removed] Release-4.15 stream, latest. I built qagame in debug. Then I run it: trigger prox sensor - vr turns on 'stereo off' - vr off release prox sensor 'stereo on' - crash inside ovr_Submi ...
Add and Renaming collapsed graphs in functions breaks refs to local vars
UE - Gameplay - Blueprint Compiler - Nov 6, 2020When creating a class (of any kind i.e. an actor), when a collapsed graph is compiled the ref breaks when adding or renaming the graph. ...
Android ETC2 Debug Builds Crash on Startup
UE - Platform - Mobile - Sep 9, 2020Android apps build with the debug configuration on ETC2 will crash on launch. ...
Crash when using Ctrl+Z to undo a single digit change in the size of a widget
UE - Anim - Sequencer - Feb 21, 2017When trying to undo a single digit change the editor will crash. For example, if a user highlights and replaces a single number in the size of a widget and then attempts to undo, the editor will cra ...
Crash when calling SetState inside state machine OnUpdate
UE - Anim - Sep 5, 2025The crash happens when SetState is called inside the function bound to OutputAnimationPose’s OnUpdate in the animation state. This way of using Set State node is the same as shown in the official do ...
Crash, Couldn t find Shader FHitProxyVS for Material Resource M_Glass
UE - Graphics Features - Aug 18, 2014Changing the properties of M_Glass and M_Metal_Copper to two sided via the property matrix crashes the editor to desktop. (Note: M_Glass with ANY of the M_Metal Materials except M_Metal_Chrome will ...
Attempting to apply instance changes to blueprint after altering a struct array crashes editor
UE - Gameplay - Blueprint - Dec 14, 2015Editor crashes if a struct array that has been made editable is edited in an instance within the details pane of the level viewport, then the changes are applied from the instance to the base bluepr ...
Editor crash when adding mesh renderer elements in Niagara
UE - Niagara - Jul 8, 2025When adding multiple meshes to a Niagara Mesh Renderer Module, a check() will be triggered due to a mismatch in the number of Widgets and the number of Tooltip Widgets. ...