Unreal Engine Issues
Unreal Engine Issues
User's project crashes after removing widget from the viewport
UE - Editor - UI Systems - Jul 19, 2016The editor appears to crash when a widget is removed from the viewport by another widget ...
Crash when playing NiagaraSystem with mesh renderer in CPUSim with Compress Attributes enabled when stompmalloc is enabled
UE - Niagara - Jul 16, 2024Crashes when playing Niagara particles with the following conditions enabled. It crashes only when stompmalloc is enabled, not when disabled. Enable Ray tracingEnable Compress Attributes in System P ...
Grabbing a Destructible Mesh Child blueprint with a Phsyics Handle crashes the editor
UE - Simulation - Physics - Jun 20, 2016Grabbing a Destructible Mesh Child blueprint with a Phsyics Handle crashes the editor during PIE. NOTE: This issue occurs whether or not simulate physics is active on the destructible mesh compone ...
Crash when opening a project with Renderdoc plugin enabled while renderdoc is installed on the machine
UE - Graphics Features - Oct 6, 2020-The editor will crash when opening a project with the Renderdoc Plugin enabled while the user has Renderdoc installed on their machine. Uninstalling Renderdoc allows the project to open without cra ...
Deleting static mesh that is used by foliage tool in content browser then selecting foliage window crashes editor
UE - World Creation - Worldbuilding Tools - Foliage - May 11, 2015If a static mesh is being used by the foliage tool and then deleted in the content browser, the foliage tool will retain a copy of the object and crash the editor if the foliage window is selected a ...
A crash can occur when multiple Actors are spawned/destroyed simultaneously with each one loading an asset.
UE - Foundation - Core - Jan 6, 2017A crash can occur if multiple Actors are spawned/destroyed simultaneously, with each Actor loading an asset when it is spawned. This does not occur 100% of the time, but it does occur quite frequent ...
Editor crashes when opening a project that includes a plugin with more than two custom Volume classes
Tools - Jun 7, 2017Adding more than two custom Volume classes to a plugin results in any project that includes that plugin crashing when opening it in the Editor. There does not appear to be a problem with adding thre ...
Network Prediction crash when smoothing service instance data is reallocated out from under FNetworkPredictionStateView
UE - Gameplay - Network Prediction - Apr 4, 2025Received a report from a licensee using Network Prediction Plugin and Mover. There is a strong likelihood of a crash occurring when using NPP's smoothing option and spawning new NPP-simulating ins ...
Adjusting color picker value for color structs within a structure crashes editor
UE - Gameplay - Blueprint - Aug 1, 2016Attempting to adjust the value of a color struct via the color picker in structures crashes the editor. Frequency: 3/3 CrashReporter: [Link Removed] Regression (Yes) issue (does not) occur in 4. ...
Setting Fullscreen Mode to "Fullscreen" results in Crash when using 4.23 from source
UE - Rendering Architecture - RHI - Oct 11, 2019Changing the screen settings to Fullscreen through code or blueprints results in a crash. This only happens in the source version of 4.23 and does not occur in the binary version of 4.23. I have att ...