Unreal Engine Issues
Unreal Engine Issues
Build fails when packaging a specific map that is not using an exclusively nativized blueprint
UE - Gameplay - Blueprint - Oct 17, 2017REGRESSION: Yes, in 4.17, the following warning occurs instead:UATHelper: Packaging (Windows (64-bit)): Project.GetBlueprintPluginPathArgument: WARNING: Failed to find generated plugin for Blueprint ...
Packaging fails when nativized blueprint implements interface with virtual function
UE - Gameplay - Blueprint - May 18, 2017If an interface contains a virtual function that returns "nullptr", If an interface contains a UFUNCTION that has a TSubclassOf type as a parameter or return value, implementing the interface in a b ...
Ensure fires during nativized build while packaging for any BP class based on UAnimNotify
OLD - Anim - Oct 25, 2018Cooking will fail while attempting to convert a non-data-only Blueprint class based on the native UAnimNotify class when Blueprint nativization is enabled. Workaround in lieu of a fix would be to e ...
A WaterBody blueprint class with an added component will not compile if Blueprint Nativization is enabled
UE - LD & Modeling - Terrain - Water - Nov 23, 2021This is Not a regression. Tested in: //UE4/Release-4.26.2 CL15973114 Binary - Reproduced //UE4/Release-4.27.1 CL17735300 Binary - Reproduced When adding a component to a Water Body actor it should ...
Packaging a Project With Nativize Blueprints Enabled Fails With Setter for an Array of Classes
UE - Gameplay - Blueprint Runtime - Mar 23, 2017Packaging failure occurs with nativize blueprints enabled when you have an array of classes and you try to set it with an array from an instance of a native C++ class. Found in 4.15.1. Reproduced i ...
An event with Soft Class Reference as an input that is not set causes package to fail with Nativization
UE - Gameplay - Blueprint - Jul 25, 2018Having a custom event with an empty Soft Class Reference as an input causes packaging to fail if nativization is enabled as the event nativizes with a const TSoftClassPtr<>& and the compiler cannot ...
Packaging a blueprint only project with Nativization fails
UE - Gameplay - Blueprint - Jun 18, 2020REGRESSION: Does not occur in 4.24 Packaging a blueprint only project with Nativization enabled results in a failure during the Staging phase. A message appears reading the following:Missing UE4Ga ...
Instances of Blueprints implemented native interface cannot be assigned to interface variables
UE - Gameplay - Blueprint - Oct 28, 2021FInterfaceProperty::SerializeItem (and ImportText) attempt to determine if the passed in object implements the interface in question. They do this by calling GetInterfaceAddress, which tries to get ...
BP child not overriding parent's mesh in Nativized builds
UE - Gameplay - Blueprint Runtime - Jan 3, 2017The mesh on the right is a child of the one on the left, in a non-nativized cooked build it's a sphere, but in a nativized one, it's a cube. Regression: Working: UE4/Main, 4.15 CL 3233043 Broken: U ...
nativizing structs containing default class values appears to cause packaging to fail
UE - Gameplay - Blueprint Runtime - Jul 8, 2016nativizing structs containing default class values appears to cause packaging to fail ...