Unreal Engine Issues
Unreal Engine Issues
Regression - Nav mesh is not generated on BSP brushes after loading a map
UE - AI - Navigation - Jan 14, 2025In UE 5.5, when loading a map and selecting "Build – Build Paths", the nav mesh is not generated on any BSP brushes (although it is correctly generated in static meshes). This did not happen in earl ...
PropertySet : changes in instancedstruct are not detected by the watch
UE - Graphics Tools - Modeling Tools - GeometryScripting - Jan 24, 2025Hi, I tried to use for a scriptable tool the watch property node for a struct. The objective for me was to offer to my user a view of a struct in the scriptable tool and have these modifications b ...
Editor crash while saving asset during cook operation
UE - Foundation - Data Pipeline - Cooker - Apr 2, 2025It is possible to experience an editor crash in 5.5.4 when the cook process generates a warning that references an asset while the editor is saving. It seems that during a save operation, the code t ...
Assertion failed in FNetGUIDCache::CleanReferences during seamless travel after reloading primary asset package
UE - Networking - May 7, 2025Following this sequence of events, the ObjectLookup and NetGUIDLookup on the server's PackageMapClient will end up in a bad state. In the ObjectLookup Map, the primary asset's package will be mapped ...
BlueprintNativeEvent in Component Subclass does not show up in BP with the component
UE - Gameplay - Blueprint - Apr 20, 2015If a function is marked as BlueprintNativeEvent inside of a class that inherits from a component (Scene component, Actor component, etc) then the function cannot be called in a blueprint with the co ...
Right-clicking in the Event Graph of a second Blueprint created using Create Blueprint Using This... will crash the editor
UE - Gameplay - Blueprint - Dec 9, 2014Right-clicking in the Event Graph of a second Blueprint created using Create Blueprint Using This... will crash the editor. Crash Report: [Link Removed] Call Stack:<unknown module>! KERNELBASE!Rai ...
Blueprint actor variables defined in code cannot be set in the editor
UE - Gameplay - Blueprint - Jan 28, 2015After creating a class in VS and creating a blueprint based on the class. Setting the actor variable in the BP's defaults tab does not save the setting. Instead it will show as none when trying to ...
Blocking volumes moved into sublevels from the persistent level do not correctly function in standalone game
Tools - Jun 9, 2015If a blocking volume is created in the persistent level and then moved to a sublevel, it will no longer correctly block objects in standalone game. ...
Characters with disabled Net Load on Client are loaded twice on a Standalone Client
UE - Networking - Jun 16, 2015Characters with disabled Net Load on Client are loaded twice on a Standalone Client. This does not occur on the Server. This only occurs in Standalone, not in PIE nor in packaged games. Reproduced ...
Custom Events with duplicate input names will not compile
UE - Gameplay - Blueprint - Jan 12, 2015Custom Events with duplicate input names will not compile. This does not occur immediately: creating two Custom Events with two identically named inputs will not cause a compile error, but if you re ...